laptop-parts'blog

HP NC6000 laptop motherboard MAX1987 chip poor Soldering

2009-07-26T09:13:00.000-07:00

HP NC6000 laptop motherboard MAX1987 chip poor SolderingPhenomenon:1.electric current fall(the electric current from 0.8A to 0.4A) or the electric current jumped to 0.9a and then power failure.2.sometimes we can be power on this laptop,sometimes we cann’t.
Failure: CPU power-supplies chip (such as MAX1987 Chip) is poor soldering or be damage.the picture 1 show the position of MAX1987 chip in laptop motherboard,the power slot is outlined in blue on the picture 1,.the picture 2 show MAX1987 chip.picture 1
picture2
Failure Analysis:1.Operating Current of CPU power-supplies chip is too big ,normal operating current is 10A-20A and the CPU Operating voltage is about 1V,CPU is A main heat source of laptop motherboard.the pin(foot) and packaging of chip lead to the CPU power-supplies chip be poor soldering easily.2.other factor,the position of the power slot on HP NC6000 laptop motherboard is proximity MAX1987 chip.when we Frequent plug and pull the power wire,the area nearby power slot is squeezed cause poor soldering of MAX1987.
the solution thereof:MAX1987 chip is soldered again.if the chip was damage,you need replace a new MAX1987 chip on your laptop motherboard.

Tags: chip, laptop motherboard, max1987

How to deal with HP DV2000 laptop GPU overheating

2009-07-26T09:12:00.000-07:00

1)One long beep and two short beeps indicates that the GPU chip is not working.2）I opened it up myself and found that the thermal pads on the CPU and mainly on the GPU had seemed to be making poor contact. The GPU contact in particular is rediculously bad – it has a paste type stuff that is about 2mm think and then the heatsink on top of that. I replaced everything with artic silver. Mine now works 100% everytime and doesnt get as hot as it used to do.3）I have found that the GPU gum between the GPU and the heatsink is meant to fill about a 2mm gap, but the gum dries out and cracks. When this happens the chip overheats, and the BGA pins on the gpu loose there connection. If you leave the power on after the beeping and block the vents a bit, the GPU/CPU heat sink warms up enough to expand the solder on the BGA pins and make a connection and the laptop will run. But eventually the solder will fully fracture, and a ball may come off and then you are totally stuffed.Fixing the heat sink does not fix the problem – its the cause of the problem though, so if you do get yours fixed, I would recommend opening it, scrapping off the blue gum, and inserting a 2mm peice of copper plate on-top of the GPU and using siler thermal paste to connect the GPU to the copper plate and then again on the other side to connect to the heatsink. But this won’t fix it if its already dead. (I tried it and I get the same long beep, two short beep).To fix the problem you have to re-flow the solder on the BGA. This should be done as a last resort (after your laptop doesnt turn on any more even when you heat it up). You have to strip down laptop to the motherboard. Bake the motherboard in a fan forced over at 80 degrees celcius for at least 24 hours (to get rid of any moisture that might be in the chip or solder). Immediatly after you take it out of the over, you need a hot air gun capable of reaching about 300 degrees. Heat the entire GPU chip and its board (don’t worry – all components can take 300 degress celcius for solder-reflow and did when the board was made). Keep bumping the GPU chip very slightly with a small screw driver, it will eventually become loose. Don’t lift it up however. Just keep the heat on for a few seconds to let the solder reflow and make a connection with the balls underneath.
After that let it cool down and plug everything back in and it *Might* work. If not can you heat it up and try again.HP should never have used a BGA chip for the GPU. Its rediculous considering how hot the chip gets. I think nvidia are partially at fault as well – the 7200 uses to much power to be a bga chip.
Goto the HP website and download the repair manual. It will tell you how to strip down to your motherboard. Take out the CPU and the heat sink fan assembly. Take everything connected to the motherboard off. Take out the RAM. Bake the motherboard in an oven at 80 degrees celcius. The older your board the longer you should bake it. I baked mine which is 16 months old for 16 hours. The actual recommended time is 24-48 hours if you want to be really safe. The point of baking is to remove moisture that might be in or around that chip that can explode if you heat past 100 degrees.
Next use alcohol to squirt under the nvidia GPU chip. Let it dry and squirt under there with solder flux. Place a light weight peice of metal on the GPU chip to weigh it down (I used a 10c coin),\. Next use a thermoeter and a hot air gun to heat the GPU chip to 190 degrees celcius. This is the reflow temperature of solder. At this temperature the little connections under neath the chip (the ball grid array) will go molten and reconnect. The idea is to heat it slowly till about 195, then thats it. Take the heat away and let it cool down and it will run.
MOST IMPORTANT TO ANYONE WHO FIXES THEIRS, EVEN IF HP FIX IT:The problem is caused by dust clogging in the heat sink assembly. Unfortuently you can only get to the dust by removing the fan, to remove the fan you must remove the heatsink. To remove the heat sink you have to re-apply thermal paste to the GPU and CPU, not to mention stripping your entire laptop down to access the motherboard. So if you don’t want yours to fail again, make sure to strip it down and take the fan off the heat sink and clean the dust out at least every 6 months. The laptop should NEVER get to hot to touch. If it is you almost certain have dust clogging the air flow. Inside the heat sink up against the copper cooling blades you will find they are clogged with dust. If you keep it free it of dust it never over heats.The GPU itself is not overheating and failing, this is probably why the PC happily runs and does not thermally shut down.
Whats happening is, because there is a gap filled with thermal paste, as the GPU gets hot, the solder is allowed to expand, as the heat sink is not locking it down. Instead the GPU moves upwards as the solder expands bh it and pushes the thermal gum away. Then when you turn it off, the gum sort of holds the GPU up against the heat sink, so the solder cools and has to pull the GPU chip back down. Eventually this causes the solder to fracture, as they are continually being pushed and pulled on. It doesnt happen on the CPU because the CPU is screwed directly onto the heat sink. Where as the GPU has that 2mm gap filled with blue heat gum.This is an obvious design error. The way they have a 2mm gap filled with gum is rediculous. Even if they fix it, it will happen again and again and again. Other message boards have had people who have taken there back 2 times or more now.
Fixing the dust will probably just prolong the time until it fails. I stronly recommend to remove the gum and use a 2mm plate of copper. Use thermal silver on each side. btw im electronics engineer and it still took me ages to figure out exactally what was wrong. You might have to grind down the copper to the right size. If it is too big, the heatsink my not clamp down on the CPU/GPU, if its to small it may slide out.
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Tags: chip, fix, GPU, overheat

2009 total eclipse of the Sun in china

2009-07-26T09:11:00.000-07:00

The longest solar eclipse in the last hundred years pitched a swath of Asia into near darkness Wednesday as millions gathered to watch the phenomenon.this total eclipse of the Sun is an unforgettable sight and give a strongly mind shock to people.Total solar eclipse in 2009 because so long time (up to more than 6 minutes),because the moon arrived perigee before the start of solar eclipse.In such a close distance,The moon looks bigger by 8% than the sun.I make a joke with my boss.”today have 2 day and 1night,so you shall pay me 3 times the wages.”
let we enjoyed this solar eclipse follow these photos.
if you still not got 3 times wages,quickly go to your boss office.
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cool down your laptop fan and heatsink

2009-07-26T09:10:00.000-07:00

Recently, our engineer found many laptop fans and heatsinks coverd with much dust when they repaired. This situation will make your computer more higher temperature. Thus affecting the status of its work. It is very important to cool down for your laptop, special in summer.so we teach you how to clear dust for your laptop fan and heatsink.
1. remove the cover plate of the power switch
2. remove the screws and the lines of keyboard, remover the laptop keyboard from the host( how to remove the keyboard please reference How to remove and repleace your laptop keyboard!)
3. remove the screws on the back of the laptop
4. remove the line of screen, remove the screen from the host
5. remove the bluetooth
6. remove the touch pad, firstly remove hard disk, you will see the screws, remove them. also remove the screws which fixed touch pad at the bottom of laptop.
7. remove the line of touch pad from laptop motherboard before you remove the touch padPlease note, you also need remove the line between BIOS battery and laptop motherboard.
8.remove the heatsink of CPU as the picture
9.remove wireless lan, modem,cpu,pccard,microphone,loudspeaker,motherboard as followed. you can remove laptop fan at last.
10. clear the dust for heatsink and laptop fan with brush.
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Tags: BIOS, cool, Laptop Fan, laptop heatsink, Remove

How to deal with minipci network card 1802 error

2009-07-26T09:09:00.000-07:00

How to deal with minipci network card 1802 errorIBM ThinkPad laptop use an non-built-in wireless network card that not be Proven by IBM.(mean it is not original wireless network card ),this laptop probably show 1802 error.Don’t worry,I tech you how to deal with this problem.1.After the heavy start puts in the first compact disc the light to drive, then starts by the compact disc,and enter DOS(pure DOS,not pure-DOS in window XP environment) ,and run “networkcard1802″.after finishing this DOS run,please Power off of your laptop.(when you run this step,don’t instal wireless network card)2.open your laptop,and install wireless network card.(how to disassemble laptop)3.power on your laptop and install network card drive.now,the laptop shall not show 1802 error.
networkcard1802 download:Attention:if you install networkcard1802,do not upgrade bios,or the window XP was used for the initialization of system,otherwise please install networkcard1802 again.this computer program is not can from IBM office,if your laptop have any consequence.,I am not responsible,please serious consideration!
download address:networkcard1802 (0)
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Tags: 1802, error, IBM, network card

HP NC6000 Laptop motherboard ciruit diagram

2009-07-26T09:07:00.000-07:00

HP NC6000 Laptop motherboard ciruit diagramif you need this HP NC6000 Laptop motherboard ciruit diagram,please register,i just send Laptop motherboard ciruit diagram to active member in the bolg.don’t ask me sent the ciruit diagram to you.if you real need Laptop motherboard ciruit diagram ,please make some contributions for the blog.you can write a skilled article or talk some thing about laptop.thanks
download: HP NC6000 circuit diagram (6)
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Tags: ciruit diagram, HP, laptop motherboard, NC6000

HP NC6000 Laptop motherboard ciruit diagram

2009-07-26T09:06:00.002-07:00

how to test laptop lcd screen

2009-07-26T09:06:00.001-07:00

when you buy a new laptop or buy a replacement laptop LCD screen panel,you must want choose no dead pixel (burned pixel),no light pixe Lcd screen panle.who like trouble?but if you have not specialized LCD test Software,you would read our article.It does not matter,I tell a good way to you,
Operating system has been installedClick the “Start” → “Run”,input”command”(Windows 9X/Me operating system) or “cmd” (Windows NT/2000/XP operating systems),at this time,the “Command Prompt” window be open.input”debug “and click”enter”key.the screen will show “?”,the laptop run debug application.pushing”Alt+Enter”,Maximized windows fill the entire screen for test laptop Lcd screen.
Operating system has not been installedReboot your laptop ,enter DOS,input “debug”and click”enter”key.the screen will show “?”,the laptop run debug application.
input command“F B800:00 F9F 20 70”Full-screen white，* P1 I2 o* ^0 j& ^0 T. V$ U& ~’ C“F B800:00 F9F 20 40”Full-screen red，! h. U0 V4 A” y: ” `” b6 _“F B800:00 F9F 20 20”Full-screen green，! `3 b4 M- ]1 p6 N. G“F B800:00 F9F 20 10”Full-screen blue.
add gridding
“F B800:00 F9F C5 07 C4 07”Full-screen white gridding， {8 c/ 8 C9 k! t” g“F B800:00 F9F C5 04 C4 04”Full-screen red gridding，, l: m& J( d’ Z0 G Q! d“F B800:00 F9F C5 02 C4 02”Full-screen green gridding，/ I0 N/ V- k- Q/ x ?+ M“F B800:00 F9F C5 01 C4 01”Full-screen blue gridding.the way is very convenient. we do not need install test software,but also we achieve the purpose of testing.. t: y, h9 W, X. Q2 T$ [; G$ u/ ]+ L9 `4 {7 J6 g( ?$ ~
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Tags: laptop, LCD, screen, test

The HP NC4400 Laptop Drive for Window XP

2009-07-26T09:04:00.000-07:00

The HP NC4400 Laptop Drive for Window XPthis Drive is not a official Drive.An HP engineer personal send to me.he summing up this drive for test.this Drive just support HP Original Window XP SP2 operating system,if you use other operating system,pls don’t download it.please must use Single-Threaded download,if this Drive can be load,please manually load in the Device Manager.please according to priority load the Drive.hp NC4400 chipset Driveftp://ftp.hp.com/pub/softpaq/sp32501-33000/sp32555.exe
hp NC4400 sound card—uaa—ftp://ftp.hp.com/pub/softpaq/sp32501-33000/sp32646.exe–sound card Driveftp://ftp.hp.com/pub/softpaq/sp32501-33000/sp32593.exe
hp NC4400 Video Card Driveftp://ftp.hp.com/pub/softpaq/sp33001-33500/sp33188.exe
hp NC4400 MODEM Driveftp://ftp.hp.com/pub/softpaq/sp33501-34000/sp33914.exe
hp NC4400 shortcut key Driveftp://ftp.hp.com/pub/softpaq/sp38001-38500/sp38171.exe
hp NC4400 TouchPad Drive–ftp://ftp.hp.com/pub/softpaq/sp34001-34500/sp34473.exe
hp NC4400 wireless network card Drive – there are 2 version wireless network card Drive,if your laptop have a Centrino CPU,please download Intel wireless network card Drivebroadcom wireless network card Driveftp://ftp.hp.com/pub/softpaq/sp34001-34500/sp34152.exeintel wireless network card Driveftp://ftp.hp.com/pub/softpaq/sp34001-34500/sp34489.exe
hp NC4400 network card Driveftp://ftp.hp.com/pub/softpaq/sp32501-33000/sp32632.exe
hp NC4400 card reader Driveftp://ftp.hp.com/pub/softpaq/sp33001-33500/sp33439.exe
hp NC4400 Mobile data protection program Driveftp://ftp.hp.com/pub/softpaq/sp31501-32000/sp31992.exe
hp NC4400 Bluetooth configuration program Driveftp://ftp.hp.com/pub/softpaq/sp32501-33000/sp32598.exe
hp NC4400 fingerprint identification management program Drive–if you wand to use fingerprint identification,please first load this Driveftp://ftp.compaq.com/pub/softpaq/sp32501-33000/sp32946.exe
hp NC4400 fingerprint identification Driveftp://ftp.compaq.com/pub/softpaq/sp32501-33000/sp32654.exe
hp NC4400 AuthenTec Fingerprint Driver –if you still cann’t use fingerprint identification,you try this Drive.ftp://ftp.hp.com/pub/softpaq/sp32501-33000/sp32609.exe
An Important Statement,I am not be responsible if your laptop load this drive and it break down.humm,if you cann’t find the drive you want as me,you can try contact HP engineer.
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Tags: Drive, HP, hp NC4400, laptop, NC4400

MACFlash—Prefessional Modify network card mac address tool

2009-07-26T09:03:00.000-07:00

MACFlash is a Prefessional Modify network card mac address tool by professional maintenance persons,and thereforeplease Undertake no more than you can perform.I have successfully modify intel OEM thinkpad 82566 series network card mac address.now, I explain how to use this Modify network card mac address tool.unzip this attach into your Bootable DOS USB Flash Drives.then use this USB Flash Drives boot your laptop,switch to correspond Drive letter.cd \MAC1 enter mac1 directory.input:EEUPDATE.EXE /NIC=1 /MAC=############## is you want to modify network card mac address.MACFlash (0)
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Tags: address, laptop, Mac, Modify, network card

Dream laptop IBM ThinkPad W700

2009-07-26T09:02:00.000-07:00

A colleague of my bought a new laptop , IBM ThinkPad W700.
I think it is a laptop not only in my dream. Let us share it now, what special of it?
Appearance looks nothing special, the same as other IBM laptop.
Open it, a 17′ screen and a writing panel you will see.
Side of the screen will give you surprises!
You will not feel its presence, when the side of screen closed.
We are look at the location of writing stylus.
The following are the parameters of its
Main Display: 17 inch, 1920 × 1200Vice-display: 10.75-inch, 768 × 1200 (5.5 × 9.25 inch)Processor: Core 2 Extreme QX9300 2.53GHzMemory: 4GBHard Disk: 460GBCard: Quadro FX 3700MProfessional digital drawing board: 5-inch Wacom DigitizerVideo Output Interface: VGA, DVI, DisplayPortOther interfaces and adapters: all-in-one card reader, Express64, FireWire 1394, USB 2.0 × 5, ModemOperating System: Windows Vista 64-bit
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Tags: IBM laptop, laptop, screen, w700

The most common of frequency value of laptop chip

2009-07-26T09:01:00.000-07:00

The most common of frequency value of laptop chiptoday,we introduce the most common of frequency value of laptop chip for reader.hope you will pay attention to our web blog-www.laptoppartwholesale.com32.768KHZ RTC I/O（EC）Crystal Oscillator (this XTL has direction)14.318MHZ clock IC/Video decoder chip24.576MHZ audio card/1394 Interface Chip8.00MHZ 10.00MHZ I/O(EC)25.00 network card27.00 video card
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Tags: chip, frequency value, ic, laptop

Palmer in china is trying to activation crack Palm Pre

2009-07-26T09:00:00.001-07:00

Today is the weekend, I have decided to write a article about personal preference. Even if the marketing strategy of Palm is disastrous in china,but there are a group of die-hard Palm fan. they buy palm pre at the first time from USA and try crak it for use it on china’CDMA.they discuss how activation crack palm pre in every large PDA or palm forums in china.Now,they successfully activate Palm Profile of pre and change local ESN、 IMSI、aKey、AAA.It is promising to use palm pre in china.With the help of operator,palm pre succesfull be used telephone function.but can use EVDO(upper wire).The issue of Chinese SMS was difficult,web os cann’t use the chinese language patch of palm os.but palm fans in china believe that more talents fan join and research it ,chinese language in pre will resolved.After all web os is a new operating system. they need time to familiarize themself with web os.it’s worth noting that i have hear dozens of pre has been locked and cann’t use in change IMSI of failure.Hail to the conquering heroes. “palm pre will use 3G EVDO will not a problem.”one technician of China Telecom told laptoppartwholesale.com.any crack is focused!Pre fan join and discuss pre in our bolg.ok,let me show my pre and iphone.

iphone and palm pre
take its source at www.laptoppartwholesale.com
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Tags: AAA, activation crack, aKey, crack, ESN, IMSI, Palm Pre

HP NC6000 laptop motherboard MAX1987 chip poor Soldering

2009-07-26T09:00:00.000-07:00

HP NC6000 laptop motherboard MAX1987 chip poor Soldering

Laptop Troubleshooting -Initial Troubleshooting

2009-07-26T08:59:00.000-07:00

I make this Laptop Troubleshooting subject for help beginner learn and Troubleshooting some laptop problem.you can follow our Flowchart to learn it.I will talk 4 Common trouble in laptop.
1.Is there power in your laptop?
2.Beeps,LEDs, or error messages in your laptop?
3.Is there video in your laptop?(no boot)
4.Is the OS loading in your laptop?
5.Is there sound in your laptop?
Through the flowchart, you will easyly to find the solution.

laptop Initial Troubleshooting
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Tags: error messages, laptop, Laptop Troubleshooting

Laptop Troubleshooting -Laptop No Power Solution(1)

2009-07-26T08:58:00.000-07:00

Laptop Troubleshooting -Laptop No Power Solution(1)Laptop No power is a Common issue.we talk this Solution from the easier to the more advanced.it is helpful to Laptop user who need to know commonly solutions.if the error from laptop motherboard or chipset.please sent your laptop to maintenance staff.now,we talk How to deal with laptop power LED is off.

Laptop No Power
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Tags: how to, laptop, Laptop Troubleshooting, No Power

Laptop Troubleshooting -Laptop No Power Solution(2)

2009-07-26T08:57:00.000-07:00

Laptop Troubleshooting -Laptop No Power Solution(2)A typital laptop No power problem is caused by laptop battery or battery socket.Visually check for debris in battery socket and clean if necessary.if laptop socket is clean,Check battery by recharging it,moving it to another computer,or replacing it.

laptop No Power 2
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Tags: how to, laptop, laptop battery, Laptop Troubleshooting, No Power

Laptop Troubleshooting -Laptop No Power Solution(3)

2009-07-26T08:56:00.000-07:00

Laptop Troubleshooting -Laptop No Power Solution(3)if this laptop battery is sound,we continue discuss laptop No power problem is caused by Ac adapter.if this AC adapter cann’t work,Reseat AC adapterin computer and at power source.or check your Power outlet is active.if The problem is still not resolved.you can try Replacepower cord.

Laptop No Power 3
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Tags: Ac adapter, laptop, Laptop Troubleshooting, No Power

Laptop Troubleshooting -Laptop No Power Solution(4)

2009-07-26T08:55:00.000-07:00

Laptop Troubleshooting -Laptop No Power Solution(4)if you reach here,but it is No power problem Still not resolved,please check Loose or damaged parts?Reseat loose components and laptop motherboard and replacedamaged items.if the laptop still don’t work,Replace the following items (if applicable). Check computer operation after each replacement:1. Internal DC-DC converter*2. Internal AC adapter3. Processor board*4. System board(laptop motherboard)**NOTE: Replace these items as a set to prevent shorting out among components.

laptop No Power 4
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Tags: laptop, laptop motherboard, No Power

IBM ThinkPad T43 laptop motherboard fit into T40 case?

2009-07-26T08:54:00.001-07:00

IBM ThinkPad T43 laptop motherboard fit into T40 case?Q：I have a dead T40，so I think that is a good idear it seems like a T43 swop,because it uses the i915 chipset so I can run 533FSB + DDR2 ram which is cheaper and uses less voltage,but only question is,will the T43 laptop motherboard fit into IBM ThinkPad T40 case?and the T40 laptop motherboard Will the 14″ LCD connector be compatible?Is there any difference in size between the 15″ lcd mobo and the 14″ lcd mobo?
Answer:14″ and 15″ laptop motherboard are of the same size.
but you must change the PCMCIA frame for the T43 laptop motherboard to fit in. You may also have to change the HD frame depending on whether that T43 laptop motherboardboard supports a FPR.
Also, if you have a 14″ SXGA+ LCD on that T40 (assuming from the GPU that you’ve mentioned), an Intel-based T43 laptop motherboard will NOT work with it.
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Tags: IBM ThinkPad, laptop, laptop motherboard

Find a free download Space?

2009-07-26T08:52:00.000-07:00

Hi,my friend?Who knows where website Provide a free download Space?We need a free download space because we have lots of laptop repair notes or laptop motherboard circuit diagram they need upload a free space convenient reader download.if you know this space please tell me.thanks
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Repair and Remove IBM Thinkpad X22 lid hooks and hinges

2009-07-26T08:50:00.000-07:00

So far,we have publish some guide,How to replace laptop keyboard,how to replace laptop LCD,How to replace laptop.How to replace laptop fan,how to replace laptop cover.Now,I talk an case,Repair and Remove IBM Thinkpad X22 lid hooks and hinges.our Customer have a IBM Thinkpad X22 laptop,but this laptop damaged one of the lid hooks.It is considered the lid hooks and the hinges as the most likely potential troubles of X2-series. Therefore I take some photos to share the Repair process.Attention,this guide should only be used to IBM Thinkpad X22 X23 X24 laptop.because this hooks are different between X20 with X21.ok,Enough of this talk, let’s get right down to business!
Repair and Remove the lid hook
You will need the following tools*screwdriver*knife

First, remove the screws cover on the front bezel with the knife and Remove all screws
Remove the cover on edges of the display bezel.
this picture show Remove this screws on edges of the display bezel.Tips: No need to remove the upper screws which fix the hooks now.

Remove the three screws from the front bezel.

Flex the insides edges of the display bezel with a knife until the bezel disengages from the display enclosure.

Slide the whole bezel until the bezel disengages from the display enclosure.
Now,We remove the two screws on the hinges.Now it is possible to separate the LCD panel from laptop
disengaged

Be Carefully Release the LCD cable.
In order to avoid scratching the LCD panel, you can put something upon the keyboard.

The first-phase preparations have been finished
Now remove the screws which fix the hooks.

Finally, install the new hook, then assemble the whole laptop.

Repair and Remove the Hinges
Remove the three screws which fix the laptop keyboard.
Push the keyboard from the palmrest side to the LCD side, then it is easy to remove.
Release the zero insertion force (ZIF) connector to which the Laptop keyboard cable is attached and disconnect the keyboard cable Release the ZIF connector to which the pointing stick cable is attached and disconnect the pointing stick cable .Remove the keyboard.
Insert a thin flat-bladed tool under the hinge cover of the switch cover and lift up until the switch cover disengages from the Laptop,Remove the switch cover.

Remove the four screws fixing hinges.Next action is pretty simple,removed this hinges
Install the new hinges, then assemble it.
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Tags: hinges, hooks, IBM ThinkPad, laptop, Laptop LCD screen, LCD, Remove

HOW TO CHOOSE LAPTOP BATTERY- realize from Parameter to Cell.

2009-07-26T08:49:00.000-07:00

HOW TO CHOOSE LAPTOP BATTERY- realize from Parameter to Cell.
What is the biggest difference between laptop pc and desktop pc,I think it is “mobile ”.
This“ mobile ”computer depend on wireless network and laptop battery.
Therefore it is very important that how to choose laptop battery.
As a consumer, the simplest and directviewing method of choose laptop battery is see the quantity of cell.Mainstream laptops standard on 8 cell , 6 cell or 4cell lithium ion battery.the 4 cell battery usual be used in slimmest laptop.
The more the quantity of the cell, the more long it is Battery life.

laptop battery 6 cell
when choose laptop battery, some person pay more attention to the “mAh”. mAh is a unit of cell capacity. We can see the sign on Laptop battery says “6 cell 4400mAh” or “4 cell 2200mAh”, making it easy to believe that the Battery life depending on the cell capacity, but this is not the case.Now we need realize another parameter : watt hour.(Wh)relation between Wh with mAh.Wh÷V×1000=mAh

10.8V 5200MAH 56WH 6CELL battery
The important parameters of bettery are Voltage, watt-hour, mAh.
for example: the battery life is diffenrent when an 4800mAh lithium-ion batteries work at different voltage(10.8V, 11.1V)This difference stem from the change of watt hour.4800÷1000×10.8=51.84（Wh）
4800÷1000×11.1=53.28（Wh）4800mAh lithium-ion battery work at 11.1V have more advantages than work at 10.8v.
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laptop battery terms

2009-07-26T08:48:00.000-07:00

Self-dischargeself-dicharge is a phenomenon in batteries in which internal chemical reactions reduce the stored charge of the battery without any connection between the electrodes. Self-discharge decreases the shelf-life of batteries and causes them to have less charge than expected when actually put to use.
Depth Of Discharge (DOD)Depth Of Discharge is an alternate method to indicate a battery’s State of charge (SOC). The DOD is the inverse of SOC: as one increases, the other decreases. While the SOC units are percent points (0% = empty; 100% = full), the units for DOD can be Ah (e.g.: 0 = full, 50 Ah = empty) or percent points (100% = empty; 0% = full). As a battery may actually have higher capacity that its nominal rating, it is possible for the DOD value to exceed the full value (e.g.: 52 Ah or 110%), something that is not possible when using SOC.
Memory effectalso known as lazy battery effect or battery memory, is an effect observed in nickel cadmium rechargeable batteries that causes them to hold less charge. It describes one very specific situation in which certain NiCd batteries gradually lose their maximum energy capacity if they are repeatedly recharged after being only partially discharged. The battery appears to “remember” the smaller capacity.
Trickle chargingTrickle charging also call float charging, means charging a battery at a similar rate as to its self-discharging, thus maintaining a full capacity battery. Most rechargeable batteries, particularly nickel-cadmium batteries or nickel metal hydride batteries, have a moderate rate of self-discharge, meaning they gradually lose their charge even if they are not used in a device. Care must be taken, however, that if a battery regulator is not employed, the charge rate is not greater than the level of self-discharge, or overcharging and possible damage or leakage may occur.
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IBM error fault code-IBM User Need to Know

2009-07-26T08:47:00.000-07:00

IBM error fault code
As an IBM User,we will meet the laptop break down some time.we don’t know what to do,because we don’t know which parts is break.now, i tell you the mean of IBM error code,so you can find where the question arises.if you alway concerned our blog,you will become a proficient in laptop parts
Symptom / Error ,FRU / Action in Sequence=10X101: Interrupt failure；102: Timer failure；103: Timer interrupt failure；104: Protected mode failure；105: Last 8042 command not accepted；107: NMI test failure；108: Timer bus test failure.109: Low meg-chip select test. 1. System board.110 : (Planar parity.) 1. Go to Memory Checkout 2. DIMM card.3. Detach the expansion unit if it is attached to the computer.4. laptop motherboard.111: (I/O parity.) 1. Go to Memory Checkout2. Expansion unit or port replicator.3. System board.11XX1101: Serial_A test failure. 1. Serial device2. Communication cable 3. System board12XX1201: Serial_B test failure. 1. System board (infrared)158 : (Hard disk password was not set even though the supervisor password is set.) （ 1. Set the password for hard disk drive.159 : (Hard disk password is not set the same as the supervisor password.) 1. Set the correct password for hard disk drive.161: (Dead battery. 1. Go to Checking the Backup Battery2. Backup battery.3. System board.163: (Time and date were not set. 1. Set time and date. 2. laptop motherboard.173: (Configuration data was lost.) 1. Select OK in the error screen; then set the time and date.2. Backup battery. 3. System board.174: (Configuration error: Perform Checking the Installed Devices List before changing any FRUs.) 1. Check device configuration.2. Hard disk drive assembly.3. System board.1751772. Diskette drive assembly. 3. Diskette. 4. System board.602: (Diskette read error.)； 1. Go to Diskette Drive Checkout2. Diskette.3. Diskette drive assembly.604: (Unacceptable ID was read from the diskette drive.)； 1. Go to Diskette Drive Checkout2. Diskette drive assembly.3. System board.2402 1. TV Out Card 24XX(2401: System board video error.) ； 1. System board. 808X8081: PCMCIA presence test failure.(PCMCIA revision number also checked.)8082: PCMCIA register test failure. 1. PC Card slot assembly.2. PCMCIA device.3. System board. 860X(Pointing device error when TrackPoint is disabled.)；8601: System bus error-8042 mouse interface.8602: External mouse error.；8603: System bus error or mouse error. ； 1. External mouse. ；2. External keyboard. ；3. System board.；861X(Pointing device error when TrackPoint is enabled.)；8611: System bus error-I/F between 8042 and IPDC.8612: TrackPoint error.8613: System board or TrackPoint error. 1. Reseat the keyboard cable on the subcard.；2. Keyboard ；3. External mouse ；4. Sub card ；5. System board ；I9990301I9990302I9990305I9990301: Hard disk error. ；I9990302: Invalid hard disk boot record.；I9990305: No bootable device. ； 1. Check that the operating system is installed in the hard disk drive. If not, install the operating system.；2. Reseat the boot device.3. Check the startup sequence for the correct boot device.；4. Check that the operating system has no failure and is installed correctly.；I9990303(Bank-2 flash ROM check sum error.) 1. System board.Other codes not listed above. 1. Go to Undetermined Problems178175: EEPROM CRC #1 error.177: Supervisor password check sum error.178: EEPROM is not functional. 1. System board.17XX1701: Hard disk controller failure.1780, 1790: Hard disk 0 error.1781, 1791: Hard disk 1 error. 1. Hard disk drive2. System board183 : (Incorrect password entered at the supervisor password prompt.) 1. Have the user examine the password.184: (Power-on password check sum error.) 1. Reset the power-onpassword in Easy-Setup.185: (The startup sequence is not valid. Suspect that power was off when the startupsequence was being updated.) 1. Reset the startup sequence in Easy-Setup.186 :1. System board. 190:(A depleted battery pack was installed when the power was on.) 1. Go to Checking the Battery Pack.191XX: (PM initialization error.) 1. laptop motherboard.192: (Fan error.) 1. Measure the voltage of the backup battery. If the voltage is not correct, replace the backup battery. 2. Fan 3. System board195: (The configuration read from the hibernation area does not match the actual configuration.) 1. Check if the configuration was changed. For example, check if the DIMM card is added.
196: (A read error occurred in the hibernation area of the hard disk drive.)1. Run the hard disk drive test.2. Hard disk drive. 199XX(Resume error.) 1. System board.1XX 1. System board. 2XX 201: Memory data error.202: Memory line error 00-15.203: Memory line error 16-23.205: Memory test failure on on-boardmemory.221: ROM to RAM remap error. 1. Go to Memory Checkout.2. DIMM card.3. System board. 225(Unsupported memory module.) 1. Check if the supported DIMM is installed.2. DIMM card.3. laptop motherboard.301, 303, 304, 305, 3XX
(301: Keyboard error.) 1. Go to Keyboard or Auxiliary Input Device
Checkout2. Keyboard.3. External numeric keypad.4. External laptop keyboard.5. Keyboard/mouse cable.6. System board.601, 6XX(601: Diskette drive or controller error.)1. Go to Diskette Drive Checkout.
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Tags: laptop motherboard, laptop parts, laptop parts knowledge, System board, THINKPAD

Laptop Boot theory (1)

2009-07-26T08:46:00.000-07:00

Laptop Boot theorylaptop boot process is divided into Hard reboot and Soft reboot. A hard reboot (also known as a cold reboot, cold boot or cold start) is when power to a computer is cycled.A soft reboot (also known as a warm reboot) is restarting a computer under software control, without removing power or (directly) triggering a reset line. It usually, though not always, refers to an orderly shutdown and restarting of the machine.it is helpful to research laptop boot theory for repair laptop motherboard. especially the laptop motherboard is alway crash.
this picture show the process of the laptop hard reboot.

hardreboot
Under the normal, PS-ON of power connector is in high level. only if the PS-ON is in low level.the power connector will start up to work.under the normal,SUSC# of South bridge must be in high level,because it is effective when this Signal must in low level.In these cases ,the base of dynatron is low level. dynatron cut-off,5V-SB is direct connected to PS-ON.the power maintain normal and can not send PG singnal to south bridge.the laptop system cann’t start up.Conversely,POWER BUTTON BOARD is work,SUSC# is in low level,5V-SB Conductive earth.PS-ON is in low level. POWER send PG singnal to south bridge ,NOTTHBRIDGE and CPU;when South bridge received the PG singnal and CLOCK singnal that from CLOCK GENERATION,it is start to work.than it send RESET# to ISA,PCI,AGP bus.when north bridge receive PG,PCI,RESET#and CLOCK singnal than send correst# to CPU.CPU receive correst# singnal to work and send FFFFFFF0 address to Bios.the hard reboot is end. Bios start to saft boot.
regarding saft boot,We will tell more aBout this on tomorrow’s “laptop boot theory (2)”,Don t forget to continue to watch our blog.
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Tags: Boot, hard reboot，laptop boot process，soft reboot, laptop parts knowledge

Laptop Boot theory(2)

2009-07-26T08:45:00.000-07:00

soft boot is BIOS(Base Input Output System) start to POST(Power On Self Test)when CPU working,following is the distribution of upper memory.A0000…BFFFF: VIDEO MEMORYC0000…C7FFF: VGA BIOSC8000…CFFFF: I/O ROMD0000…DFFFF Optional ROM & Buffer AreaE0000…FFFFF:BIOSthe picture show the process of soft boot

post
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Tags: hard reboot, laptop boot process, soft reboot

GSM PALM PRE Land Europe

2009-07-26T08:44:00.000-07:00

Later in the year,Palm Pre is going to land Europe.it is a good news that palm will choose GSM and not not the quickly dying CDMA.palm say No exact time is fixed but Christmas.but what is know that O2 getting GSM palm pre exclusive rights in UK, Ireland and Germany.Movistar on the other hand will get exclusive rights to the handset in Spain.Still waiting to hear what the pricing will be like
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How to search and replace your Laptop Motherboard

2009-07-26T08:43:00.000-07:00

How to search and replace your Laptop Motherboard?when your laptop motherboard has suffered a irreparable damage,your laptop will not boot up or some functions of your laptop stop working intermittently.you just only geting a new laptop motherboard and disassemble your laptop and manually replace the laptop motherboard with a new one.today,laptoppartwholesale.com tell you How to search and replace your Laptop Motherboard?at first,what is laptop motherboardThe Laptop motherboard is a large,Printed circuit board that is used to connect all of the different components on a laptop.
You will need the following tools to complete the removal and replacement laptop motherboard■Magnetic screwdriver■Phillips P0 and P1 screwdrivers■Torx8 screwdriver■Flat-bladed screwdriver
Setp 1:
Search and Buy a corresponding replacement laptop motherboard
Navigate to the support website of your laptop or check the user’s manual for got the part No of motherboard your laptop uses.some model’ parts number is locatedon the bottom of your laptop.you will go to ebay or www.laptoppartwholesale.com and buy a corresponding replacement laptop motherboard.Power off the your laptop and close the lid of screen .overturn the laptop computer so that the bottom is facing up toward you. Hold down the battery’s latch and then remove the battery.
Setp2:
Remove all of the screws from the bottom of the case. swing it up and to left the two plastic covers near the middle of the case that protect the hard drive and RAM modules. Pull off the hard drive directly out of the case and set it aside. Grab both ends of the exposed RAM module and remove it from the case . Repeat the process with the second RAM module if your particular model of laptop has a second memory module.
Setp 3:dismantle the disc drive on the left side of the laptop directly out of the case and set it aside. Turn the computer back over and open up the screen’s lid. Push a flat object, such as a screwdriver head, underneath the large plastic piece above the laptop keyboard that houses the indicator lights and power button. Pop the plastic piece off the laptop. Disconnect the cable connecting the plastic piece to the laptop motherboard.
Setp 4lift down the laptop keyboard from the case and then disconnect the cable connecting it to laptop motherboard. Remove the screws holding the LCD hinges to the case. Slide the card from its port on the Laptop motherboard and set it aside.lift down the laptop hinges and set them aside. Locate the network card at the left end of the laptop motherboard.
Step 5Remove the screws holding the graphics card to the laptop motherboard if your model of laptop has an extra graphics adapter. Slide the card off the laptop motherboard and set it aside. Remove the screws holding the laptop fan and heat sink unit to the laptop’s processor. Remove the them and then pull the processor off its motherboard socket. Set both pieces aside.
Step 6Pull out the screws along the edges of the motherboard. Lift the motherboard straight up and remove it completely from the laptop’s case. Line up the ports on the sides of the new laptop motherboard with the corresponding holes on the case. Push the motherboard down into the case and reconnect the screws.
Step 7Reassemble all of the internal parts you removed to get to the laptop. Set the plastic piece and keyboard back onto the case. Replace the battery and then reconnect the hard drive, disc drive, RAM modules and plastic covers. Replace all of the screws. Power on the HP laptop and wait for the operating system to load completely to make sure the motherboard is working.
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Tags: lapart number, laptop, Laptop Fan, Laptop Hinges, Laptop LCD screen, LCD, replacement laptop motherboard, screen

How to buy and Replace a cover for your laptop

2009-07-26T08:42:00.000-07:00

How to buy and Replace a a Cover for your laptop-www.laptoppartwholesale.com
You need to replace your laptop cover if it is damaged or has visible scratches.A cover protects your laptop computer and determines the peripherals and accessories you can carry with it.With a variety of options available in the market, you can ensure that your new cover meets your current requirement and the growing need of the future.we suggest buy laptop case in ebay or www.laptoppartwholesale.com. if you cann’t find it,you will book it from this web.of course,you must know the model No or laptop parts No you want.Follow these steps to ensure proper replacement of the cover for your laptop .1.Prepare the laptop for disassembly2.Remove the keyboard .3.Turn the computer upside down with the rear panel towardyou.4.Remove the twoT8M2.5×11.0 screws 1 and the four screws that secure the switch cover tothe computer.5.Turn the laptop computer display-side up with front toward you.6.Open the laptop computer as far as possible.7.Disconnect the power button board cable from the laptop systemboard.8.Insert a thin flat-bladed tool under the hinge cover sections of the switch cover and lift up until the switch cover disengages from the laptop.9.Remove the switch cover.10.Close the computer and turn it upside down with the rearpanel toward you.11.Remove the following screws:1 Two screws from the computer bottom2 Two screws from the computer rearpanel One screw from the computer laptop battery bay12.Remove the two Torx8 T8M2.5×7.0 screws 1 that secure the display assembly to the computer.Lift the display assembly 2 straight up and remove it.13.Remove the display bezel.14.Remove the display hinges.15.Remove the four mylar screw covers and the four screws that secure the display panel to the display enclosure.Remove the two screws that secure the display inverter to the display enclosure.Remove the display panel and display inverter from the display enclosure.16.Remove the inverter.17.If it is necessary to replace the wireless antenna transceivers and cables, remove the two screws that secure the left and right transceivers to the display enclosure.Remove the wireless antenna cables 2 from the clips in the display enclosure.Detach the wireless antenna transceivers 3 from the display enclosure.Remove the wireless antenna transceivers and cables.18.Turn the computer right-side up with the front toward you.19.Disconnect the following cables from the system board:1 TouchPad cable 2 Fingerprint reader board cable3 Smart card assembly cable.20.Remove the microphone from the clip in the top cover and the cable from the routing clips in the top cover.21.Swing the rear edge of the top cover 1 up and forward until the left and right sides disengage from the baseenclosure.Remove the top cove.22.Remove the laptop motherboard for bottom cover.
Now,all cover be dismantle apart.
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Tags: how to, laptop cover, laptop motherboard, laptop parts, replace

How to Replace IBM Thinkpad Cooling Fan

2009-07-26T08:40:00.002-07:00

Is your IBM ThinkPad notebook running too hot? Replace that dusty, failing old heatsink fan unit with new orignail IBM laptop parts!let your laptop run more faster.The correct replacement part, a few small hand tools and basic maintain skill is all that’s necessary.you can find original IBM fan in www.laptoppartwholesale.com
Part 1
How to Remove laptop Keyboard
1.power off the laptop, remove the laptop battery and remove all screws on the underside of the laptop identified . Remove These attach to the laptop keyboard.2.Open the cover of laptop. Use your finger to begin pressing the keyboard out through the small hole inside the battery compartment. Your finger presses on the underside of the laptop keyboard button section.3.Slip a screwdriver underneath the keyboard button section you pushed out in the previous step. Pulling up and away from the laptop, maintain pulling-pressure in the middle of the laptop keyboard. Locking edge tabs on the keyboard keep it in place. As you continue pulling this laptop keyboard up and away, it releases from the tabs as it flexes. then you can pull outward helping to free it from these tabs.Popping the keyboard free from all its edges, pull it towards you at an upward angle releasing the rear of the laptop keyboard.
part 2
How to Remove laptop Fan
1. it is a necessary to Remove the volume and power button plastic cover. By pushing each corner slightly towards the space bar, each corner of the cover releases and can be lifted up slightly. Finally, pop the panel’s center free. Lifting from the rear, swing the cover toward the front clearing the buttons and lifting it free.
2.Remove the 6 screws securing the cooling fan. Gently lift the laptop fan on an angle upwards noting how its plug wire is routed to the laptop motherboard. Gently unplug it and remove the fan assembly. You may have to lift the plastic boarder a little to free the fan assembly.
3.install the new or replacement laptop fan in the reverse of the removal process making sure it is seated firmly on the motherboard and its exhaust is flush with the vent panel.
4.Route the fan’s power wire, plugging its connector firmly into the socket. Mount the fan with its screws and replace the switch cover if it was removed earlier.
5.Install laptop keyboard pressing down on the edges making sure to get them under the locking tabs before pressing down firmly on the keyboards center where the trackpoint stick is. This ensures the keyboard’s connector is seated properly. Replace all screws removed, insert battery and connect power supply.
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Tags: IBM ThinkPad, Laptop Fan, laptop keyboard, laptop parts

MSI published a new BIOS version

2009-07-26T08:40:00.001-07:00

MSI published a new BIOS version for the MSI Wind U110: Version 1.0E today.new Bios version is 1.0E.unfortunately it is still a no go for linux and Android version for users.it still has the problem the netbook cannot suspend anymore after the update.so we make a suggestion that users still use BIOS Version1.09 for good working.
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Tags: BIOS, Msi

How to Replace IBM Thinkpad Cooling Fan

2009-07-26T08:37:00.000-07:00

IBM ThinkPad T40 Power control circuit diagram

2009-07-26T08:36:00.000-07:00

IBM ThinkPad T40 Power control circuitIBM ThinkPad T40 is a class of IBM laptop.today,i use this circuit diagram because a client ‘T40 power control is wrong.Now,I show the IBM ThinkPad T40 Power control circuit diagram for our reader and hope to some person who meet same problem.,this circuit diagram be provide by jack my colleagues who is IBM fan.i also like IBM.

T40 Power control circuit
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Tags: circuit diagram, IBM ThinkPad, laptop, laptop parts knowledge

IBM ThinkPad T60 Laptop motherboard circuit diagram Download

2009-07-26T08:35:00.000-07:00

IBM ThinkPad T60 Laptop motherboard circuit diagram DownloadToday,we share some laptop motherboard circuit diagram for reader.these circuid diagramis helpful for DIYer and repair.but I must remind you that if you are not professional person,please don’t open your laptop and repair laptop motherboard.this time,we took a set of IBM ThinkPad T60 Laptop motherboard circuit diagram.as a matter of fact, IBM ThinkPad T60 be manufacture in wistron who is is among the world’s largest ODM and EMS (Electronic Manufacturing Services)companies,Great Wall Computer Group Corporation finalize assembly.…..sorry,I am wandering from the point .Next time,I tell you a special topic about the relationship between laptop company with OEM factory.ok.click heredownload address 1:IBM ThinkPad T60 Laptop motherboard circuit diagram Download (27) or download address 2:IBM ThinkPad T60 Laptop motherboard circuit diagram.pdf
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Tags: circuit diagram, download, IBM ThinkPad, laptop, laptop motherboard, repair laptop, repair laptop motherboard

Dismantle antediluvian IBM ThinkPad X22

2009-07-26T08:34:00.000-07:00

Today, our client sent his antediluvian IBM ThinkPad X22 2662 for repair.This IBM ThinkPad laptop is manufactured in 2002. I am curious about the internal structure of the antique.Let us with my picture to realize the doyen of IBM laptop.
IBM ThinkPad X22 is very thin. You can contrast it whit an mobile phone.

ibm x22 laptop
Up until just a couple of years ago, thin and light laptops either lacked the power of the larger portables or needed an expansion dock for complete functionality. the picture show the expansion dock of IBM X22 laptop

IBM X22 laptop expansion dock
it is very important to a laptop.IBM X22 equipped 12.1” XGATFT.because the laptop is break so we can use the lcd.Now,we open this laptop.

IBM X22 Open
we can see the internal structure of IBM x22.Laptop keyboard,HHD,Laptop fan,laptop motherboard.it is very important to a laptop.IBM X22 equipped 12.1” XGATFT.ThinkPad X 22 uses Travelstar HDD, this HDD is 15G and 4200pr, 2MB cache. The thickness is 9.5mm.

IBM X22 HDD
ThinkPad X22 adopt Intel 830MP chipset.

IBM X22 830MP Chipset
this picture show the Memory slot of this laptop.the laptop only support PC133 SDRAM.

IBM X22 Memory slot
heatsink of IBM X22 have not laptop fan, Benefit from the low Power of this CPU.

IBM X22 heatsink
IBM ThinkPad use Intel Pentium III-M which is M733MHz.

Intel Pentium III-M
end
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Tags: dismantle laptop, IBM ThinkPad, laptop, Laptop Fan, laptop keyboard, laptop motherboard, laptop part, LCD

4 main data bus of Bios circuit diagram

2009-07-26T08:32:00.000-07:00

data bus is a group of wires connecting different parts of a circuit with wire carrying a different signal.In laptop computers, the data bus is A collection of wires transfers data between computer components inside in your laptop or another external drive.Bios is Basic Input Output System.if you want to know what is bios,pls click(what is bios)if you repair your laptop bios.It is important to realize that these structure of bios data bus.
now,i introduction four kind of classic data bus of Bios circuit diagram.by the way if you need to buy some bios,we can sell them.ok,Let’s get to the point.
1.SPI bios bus data circuit diagram.

SPI Bios Bus
2.LPC bios bus data circuit diagram

LPC bios bus data circuit diagram
3.

Intel HUB bios bus data circuit diagram
4.

ISA bios bus data circuit diagram
ok.if you can read circuit diagram,i believe these helped to repair bios you a lot.
The article was first published in www.laptoppartwholesale.com, Indicate the source ofreproduced.
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Tags: BIOS, circuit diagram, data bus, laptop

BIOS chip model number, capacity, voltage, type

2009-07-26T08:31:00.000-07:00

if your bios of laptop motherboard doesn’t work, you need repair this bios. it may be necessary to know the parameter of bios. Below is a listing of parameter (BIOS chip model number, capacity, voltage, type) for each of the major types of BIOS.
BIOS chip model number
capacity
voltage
type
AMIC A29002 /5V
2M
5V
BIOS
AMIC A29040 /5V
4M
5V
BIOS
PMC Pm49FL002T LPC/FWH
2M
3.3V
LPC/FWH
PMC Pm49FL004T LPC/FWH
4M
3.3V
LPC/FWH
PMC Pm49LP002 LPC /3.3V
2M
3.3V
LPC
SST 29EE020 /5V
2M
5V
BIOS
SST 39SF020 /5V
2M
5V
BIOS
SST 39SF020A /5V
2M
5V
BIOS
SST 39SF040 /5V
4M
5V
BIOS
SST 39SF040P /5V
4M
5V
BIOS
SST 49LF002A /3.3V
2M
3.3V
FWH
SST 49LF002B/3.3V
2M
3.3V
FWH
SST 49LF003A /3.3V
3M
3.3V
FWH
SST 49LF003B /3.3V
3M
3.3V
FWH
SST 49LF004 /3.3V
4M
3.3V
FWH
SST 49LF004A /3.3V
4M
3.3V
FWH
SST 49LF004B /3.3V
4M
3.3V
FWH
SST 49LF008A /3.3V
8M
3.3V
FWH
SST 49LF020 LPC /3.3V
2M
3.3V
LPC
SST 49LF020A LPC /3.3V
2M
3.3V
LPC
SST 49LF030A 3Mb /3.3V
3M
3.3V
LPC
SST 49LF040A LPC /3.3V
4M
3.3V
LPC
SST 49LF080A /3.3V
8M
3.3V
LPC
WINBOND 49F002U /5V
2M
5V
BIOS
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Tags: BIOS, laptop, laptop motherboard

how to clear bios password-bios universal password crack

2009-07-26T08:29:00.000-07:00

how to clear bios password-bios universal password crack.If a Bios password is mistakenly forgotten, we can try to use a bios universal password to bypass the unknown password. It is extremely simple and useful to clear bios password in this manner. Below is a listing of bios universal password for each of the major types of BIOS(what is bios).
Award Bios:
AWARD_SW
SKY_FOX
j256
j262
BIOSTAR
AWARD?SW
HLT
lkwpeter
LKWPETER
SER
CONCAT
Syxz
ALFAROME
awkward
aLLy
589721
589589
j64
AWARD_SW
j322
?award
awkward
lkw peter
01322222
BIOS
lkwpeter
1EAAh
bios*
PASSWORD
256256
biosstar
SER
589589
biostar
setup
589721
CONCAT
SKY_FOX
admin
condo
SWITCHES_SW
alfarome
CONDO
Sxyz
aLLy
djonet
SZYX
aPAf
efmukl
t0ch20x
award
g6PJ
t0ch88
AWARD SW
h6BB
TTPTHA
award.sw
HELGA-S
ttptha
AWARD?SW
HEWITT RAND
TzqF
award_?
HLT
wodj
award_ps
j09F
ZAAADA
zbaaaca
zjaaadc
j262
AWARD_PW
j256
AMI Bios:
AMI
BIOS
PASSWORD
HEWITT RAND
AMI SW
AMI_SW
LKWPETER
A.M.I
589589
AMI
aammii
AMI!SW
AMIPSWD
AMI.KEY
amipswd
ami.kez
AMISETUP
AMI~
bios310
ami?
BIOSPASS
amiami
CMOSPWD
amidecod
HEWITT RAND
KILLCMOS
phoenix Bios: phoenix
exclusive!—the various brands of Laptop motherboard bios universal password
Biostar Biostar ：Q54arwmsCompaq： CompaqConcord ：lastCTX International ：CTX_123CyberMax ：CongressDaewoo：DaewuuDaytek ：DaytecDell ：DellDigital Equipment： komprieEnox ：xo11nEEpox ：centralFreetech： PosterieHP Vectra ：hewlpackIBM ：IBM MBIUO sertafuIwill ：iwillJetWay： spoom1Joss Technology： 57gbz6 technolgiM Technology： mMmMMachSpeed： sp99ddMagic-Pro： prostMegastar ：starMicron ：sldkj754 xyzallMicronics： dn_04rjcNimble： xdfk9874t3Packard Bell： bell9QDI： QDIQuantex： teX1 xljlbjResearch ：Col2ogro2Shuttle： SpacveSiemens Nixdorf ：SKY_FOXSpeedEasy： lesarot1SuperMicro： ksdjfg934tTinys： tinyTMC： BIGOToshiba ：24Banc81 Toshiba toshy99Vextrec Technology ：VextrexVobis： merlinWIMBIOSnbsp BIOS v2.10： CompleriZenith： 3098z ZenithZEOS： zeosx
good luck!
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Tags: BIOS, bios password, bios universal password, clear bios password, laptop motherboard

What is BIOS?

2009-07-26T08:28:00.000-07:00

What is BIOS?Acronym for Basic Input Output System, Bios is the most basic and the most important chip on your laptop motherboard that offers the most low-grade and the most direct hardware control for your laptop. The primitive operation of laptop according to Bios. In other words, Bios is a bridge between hardware and software.
The following are a picture of what a BIOS chip may look like in your laptop.Picture 1DIP encapsulation of bios
picture 2

PLCC encapsulation of bios
PLCC encapsulation of bios
the bios instructions on load basic computer hardware and test Power On Self Test program (POST)that verify whether the laptop is good. If your laptop does not pass the Power on Self Test program, this laptop will sounded the alarm.
Bios Functions:POST and initialization:when power your laptop, the bios be priority activate .then the bios test computer hardware, ensuring hardware is properly functioning before starting process of loading operating system. If capable operating system located, the bios give the control power to users. if this laptop cannot loading operating system, this laptop will sounded the alarm or unresponsive.BIOS service Software and Drivers ：That interface between the operating system and your hardware. When running Windows or software you are using complete BIOS support. an interface which generally has the ability to gain mastership of the bus in order to give the central processor the address of a subroutine which the processor will use to service the peripheral.
BIOS and CMOS Setup:
Configuration program that allows you to configure hardware settings including system settings such as computer passwords, time, and date.
Bios Type:The most common of bios type: AMI, Award, Phoenix.
Bios Species:FLASH ROM: is a non-volatile computer memory that can be electrically erased and reprogrammed, such as 29、39、49 series;
EEPROM: is a type of non-volatile memory used in computers and other electronic devices to store small amounts of data that must be saved when power is removed. Such as 28F series;EPROM: is a type of memory chip that retains its data when its power supply is switched off; Such as 27 seriesPROM: is a form of digital memory where the setting of each bit is locked by a fuse or antifuse.MARK PROM: is a type of memory that can not erased.

Tags: BIOS, laptop motherboard

How to disassemble laptop ,step by step guide!

2009-07-26T08:24:00.000-07:00

How to disassemble laptop ,step by step guide-www.laptoppartwholesale.com
Hi guy, welcome to www.laptoppartwholesale.com ,
now, our engineer teach us that how to disassemble laptop, step by step.Today, our engineer take Toshiba M366 for examples.
Because engineer make a explication in Chinese, we write a Textual description in English. We will launch the English video as soon as possible.
Warning!- if your laptop is still covered by the manufacturer’s warranty, do not open the case or you can loose the warranty- always remove the laptop battery and unplug the laptop power adapter before you open the laptop case-don’t forget the position of screws, in order to easy replace your laptop.- proceed on your own risk.
At first, you need to prepare some specifically tool. In order to disassemble this laptop, you just need a screwdriver.
1. Power off your laptop, and Remove the laptop battery.
2. Remove all screw on the Bottom Plastic Casing and take away thes cover board. such as there are 3 screw on this cover board on the middle of the bottom plastic casting and 4 screw on this cover board on the left of the bottom plastic casting. This time, we can upgrade our laptop HDD, wireless network card and RAM.
3. We continue to disassemble laptop. There are 5 screw in battery compartment, let us remove these .now,we finish the work that remove all of screw on bottom plastic Cating.
4. Attention. There are 1 screw at wireless network card side,we must remove it for remove DVD-ROM.we take away modem and untie all cable on laptop motherboard then.we disassemble the bottom plastic is to end.
We turned the laptop on its side and open them then. Because we have had remove all screw on bottom, it is easy to take away the bezel of laptop keyboard. We suggest that you can use some Special tool, such as bank card.now, we can see there are 2 screw to fixed laptop keyboard. Let’s remove them and take away the laptop keyboard. No! we must untie this keyboard’ cable in advance. Be careful, this type of connector is fragile
5. Let’s go on. We find some “arrow “ mark in some screw’s side that onPalm Bezel. Remove them. We can take away Palm Bezel now?
6. We must remove cable, when we take away palm Bezel. White cable is LCD cable.
7. finally ,We see the laptop motherboard.we continue remove screws on laptop motherboard.
8. The left side of the motherboard is the graphics card. This graphics is not standard MSM interface. If we need to upgrade the graphics card, we need to pay attention to the shape of graphics card that it must be same as original.
9. Let us remove the radiating module.this time,we have disassembled laptop.
Thanks for your attention
For assembly instructions follow all the steps in the reverse order.
If you are looking for laptop parts or laptop motherboard, please check out www.laptoppartwholesale.com
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Tags: disassemble laptop, guide, Remove, replace notebook parts, take apart laptop, upgrade laptop

Laptop Drive download completedictionary

2009-07-11T23:15:00.000-07:00

Laptop Drive download completedictionaryI gather together all brand laptop Drive of laptop motherboard. if you keep this web page available for find your laptop Drive future.
IBM Thinkpad Laptop Drive download page (chinese)0 S6 l. C s0 N- ? V2 W: H0 Mhttp://www-900.ibm.com/cn/suppor … pad_downloads.shtml8 R/ P5 h, Q% J, Z* X1 G; y( T1 U4 d H: L” m8 E7 _8 F. JIBM Thinkpad Laptop Drive download page(international)( N, L% W’ E: ]http://www-307.ibm.com/pc/support/site.wss/TPAD-MATRIX.html1 \$ P0 a: E0 [* x/ L# `% [% o( g4 x( SHP (COMPAQ) Laptop Drive downloadhttp://h30231.www3.hp.com/apps/N ... _client=S-A-R1093-1' m( b: p" H7 G( j. r+ x9 G: a0 ]. o* C3 X0 j3 q9 g’ k5 S
\+ j1 a9 O: ]% `HP Laptop Drive download (international)( p; v$ v, @$ * Mhttp://whp-java.extweb.hp.com/ew … mp;cc=us&dlc=en. X/ ]2 l* w/ A5 W’ \& e$ Z# X5 s; n’ H# W8 J; r, Y” l* ?8 q4 U7 b2 a/ yHP Laptop Drive download for armada series(international)+ f7 I7 h$ B; I O& http://h18007.www1.hp.com/support/files/armada/us/index.html2 D5 Y: w& Q; f$ [, {6 ^0 _( A$ e- m: h& Q0 r/ C1 t1 g F# I( d( uHP Laptop Drive download for concerto series(international)+ f7 I7 h$ B; I O& 4 q& k5 w$ H. H2 [' j6 e7 o& Whttp://h18007.www1.hp.com/support/files/concerto/us/index.html( S2 ) G m0 A1 \+ E/ @9 K A: {8 W- A# l2 M/ n/ H9 n3 JHP 5 e( W3 [7 j% ]5 N/ }’ K0 aLaptop Drive download for contura series(international)+ f7 I7 h$ B; I O& 4 q& k5 w$ H. H2 [' j6 e7 o& Whttp://h18007.www1.hp.com/support/files/contura/us/index.html& L1 u4 [# i& U, N+ h% M2 D& E: F+ U; e; [8 j
5 F) N& O5 H0 w( W r6 YHP ! z ]# N, q( i2 J7 _% S, u0 s0 O5 e( W3 [7 j% ]5 N/ }’ K0 aLaptop Drive download for evo series(international)+ f7 I7 h$ B; I O& 4 q& k5 w$ H. H2 [' j6 e7 o& Whttp://h18007.www1.hp.com/support/files/evonotebook/us/index.html) p7 V! U. G1 @! M0 d0 p5 D: U0 A- s J D& }, L3 w0 ]( 0 k/ e$ x4 IHP Laptop Drive download for LTE series(international)+ f7 I7 h$ B; I O& 4 q& k5 w$ H. H2 [' j6 e7 o& Whttp://h18007.www1.hp.com/support/files/LTE/us/index.html: z6 ' d% h# v2 o, Q+ }" ^. ]9 E% s; l+ M% _, Y9 P7 j9 k- E4 j, _HP , I! C3 H% k1 ~1 D0 eLaptop Drive download for prosignia series(international)+ f7 I7 h$ B; I O& 4 q& k5 w$ H. H2 [' j6 e7 o& Whttp://h18007.www1.hp.com/suppor ... ignia/us/index.html1 b1 U, t& x6 B0 i; x$ z) V1 G" V% H" m* N6 N* a( T# S6 F4 \8 HHP Laptop Drive download for OmniBook series(Chinese)+ f7 I7 h$ B; I O& 4 q& k5 w$ H. H2 [' j6 e7 o& W% t" Y3 z/ s2 R B; Ihttp://e-support.hp.com.cn/Suppo ... t/ProductList_3.htm- P. S7 }+ @% Q" {; ^7 W# ?1 E* S# V' J" e( ~6 B1 G% A, Z
: A# ^- x- t1 C4 FHP % J) u V$ I( s2 o/ s' q2 ~; K: XLaptop Drive download for TC1000 series(international)+ f7 I7 h$ B; I O& 4 q& k5 w$ H. H2 [' j6 e7 o& Whttp://e-support.hp.com.cn/Suppo ... LinkageList_971.htm T6 e- i: y I' P
9 b+ B }; L8 n$ b: L% Z t3 g" i/ f( ^Dell Laptop Drive download% E. L0 6 N0 Y h* Ghttp://supportapj.dell.com/suppo ... &l=zh&s=lca5 ]- 7 P# L* B: ?0 R
0 b$ o# g/ w1 d’ j/ o$ ~# }# U0 / x; w) x m% z& sToshiba Laptop Drive downloadhttp://pc.toshiba.com.cn/service/driverdownload.jsp* `# j# d9 ?* k” q6 F- }8 g% v8 l X% h/ z
% N$ T1 \5 _9 KToshiba dynabook Laptop Drive downloadhttp://dynabook.com/assistpc/download/index_j.htm5 k3 B& Q& ~’ `5 x A% i: m1 y1 }, ~& T- K’ k% D8 F* b! T+ A8 b+ G” j! N1 _6 s L% I” VTOSHIBA Laptop Drive download (English)http://www.csd.toshiba.com/cgi-b … icgfkceghdgngdgli.04 F: K+ , }5 e- ~6 m2 E$ \# R3 }* X ?$ n+ ^( z: R. f7 ?9 L$ ~1 I8 h+ ~TOSHIBA dynabook Laptop Drive download(Japanese); z! y. u: m* K4 r& @. a3 khttp://dynabook.com/assistpc/download/index_j.htm2 \9 [3 [5 V5 C$ [ ~- L/ t6 X* n5 r6 E+ R \
9 A }/ Z( F% y6 LSamsung Laptop Drive download' G- k1 j* S7 t, qhttp://www.samsung.com.cn/Suppor ... download/index.aspx& R+ X7 Q9 b" l- u C! m
' O% ; ~6 S0 ` Q4 k' r, A2 M. k. T+ OSamsung Laptop Drive download(HK English)* D) U6 @, U8 T' ^2 Lhttp://www.samsung.com/hk/index.htm& h$ d/ F" ? `9 Z4 f9 C) P" v- ?8 M S1 : [( a. i, 1 u9 V0 P% & V& [8 }- O. m8 d6 \" \( e$ CSony Laptop Drive download, b/ G; @% _/ h( J2 M$ ?$ Thttp://esupport.sony.com/perl/se ... VER&PRODTYPE=24& }' f+ B% O% d) R* m2 j( F3 {0 }4 D8 M. v( G* M6 5 L5 G' E# c; l3 i. LSONY VAIO Laptop Drive download(Japanese)% z8 a8 G) N* q9 R4 Yhttp://vcl.vaio.sony.co.jp/products/win/index.html1 K! S: U, f2 k+ ^0 t7 [8 q! W% ?' H: i- q' E: x' b) i) Y9 i7 S' X+ Y* W: e- C5 C1 x0 F; H Vaio Laptop Drive download (Taiwan)' J. B! ^2 U3 n3 G- thttp://andyfan.myrice.com/5f/drive.html3 h0 d, F, H( ^9 J: g3 M1 B, t# d) b" Y! G1 v
8 @! E0 u0 D- @Benq Laptop Drive downloadhttp://www.benq.com.tw/service/jb/drivers.htm& q1 _* H2 J- 0 p5 i5 w% PY8 z2 y: K- `) Q; G3 x- k8 H* ^, z) V9 ]Asus Laptop Drive download/ d( Y5 R+ {6 N6 U2 ohttp://support.asus.com.tw/download/download.aspx?SLanguage=zh-tw5 ~2 N) R* r. M8 5 ~- {0 }% c3 `# j& K V
( ~. V6 k& / A( }; aAcer Laptop Drive download/ j- ~9 O! a8 F8 M: k( Ahttp://www.acer.com.cn/driver/index.asp?a=d3/ ~” {8 h# E7 ~- Y‘ w: E% A% c! ]# y( V
/ {( r9 ]2 o1 p& a2 vfujitsu Laptop Drive download7 k/ ^ O5 h, J8 j- H: w$ Phttp://support.fujitsupc.com/CS/Portal/support.do: k3 h) v7 @4 c2 N$ H7 `; P1 M! c$ o! F7 }1 O% x. b: gfujitsu Laptop Drive download (Europe)http://www.fsc-pc.de/support/softwareassist_e.asp3 f# k% n1 _/ W. H& f) }+ C( @
9 q) H9 h’ C% ~( [NEC Laptop Drive download8 k0 t2 o* j’ P4 ~” L% {. Chttp://www.necsl.com.cn/product/notebook/download/150.shtml. H6 ~, n” V D, y, U6 i3 p0 c* N; a% G5 N” K/ kNEC Laptop Drive download(japanese)http://121ware.com/% ? U: I A. x! K* T# b* L( h4 `- l6 C( G’ - @6 E) `3 [* z- ~3 Q2 V1 \/ l$ s$ A! b9 {3Compower Laptop Drive download” g6 S/ x6 g- k7 f% khttp://www.compower.com.cn/support.asp?content=xzzx: C0 d$ M9 t+ b8 I- M
$ ^” a* A% x D; `8 A, T X$ a% Lpanasonic Laptop Drive download(international)http://www.panasonic.com/support/default.asp& _2 g z) b” y4 K9 O+ ~: K5 R. NMicron Laptop Drive download(international)# M) J K8 R& `4 B8 rhttp://support.micronpc.com/redi … orms/notebooks.html A: i0 k0 {& {
5 K5 [- h6 K( n/ z a$ h2 x/ {SHARP Laptop Drive download(japanese)2 O4 D( D$ X1 ?- u( l1 e7 x; qhttp://support.sharp.co.jp/mebius/index_content.shtml+ l! u6 K+ E) B3 a9 j+ Q
/ V6 8 T! c; p, z6 f @7 x2 O+ gGateway Laptop Drive download(international)b: d! \3 w$ J. qhttp://support.gateway.com/support/drivers/ddaStep.asp

How to remove Laptop LCD screen

2009-07-11T23:13:00.000-07:00

如何删除笔记本电脑液晶显示屏
如果你想升级或更换您的笔记型电脑液晶显示器屏幕。你必须告诉销售原始制造商（ OEM ）的一部分number.How知道你的笔记本电脑液晶显示器屏幕部分号码是什么？（资源http://www.laptoppartwholesale.com/。注明出处的转载）现在，我们作出指示指南以高新技术你移除笔记本液晶显示器从您的笔记本电脑屏幕上，并期待在yourlaptop液晶显示器屏幕部分号码。（资源http://www.laptoppartwholesale.com/。注明出处的转载）本搜索方法适用于任何笔记本电脑的品牌。在大多数情况下，笔记本电脑都是相当同样andtherefore有类似的进程屏幕清除。
好吧，让我们做到这一点。（资源http://www.laptoppartwholesale.com/。注明出处的转载）
首先，听听我必须告诉你.-如果您的笔记本电脑仍然是所涉及的制造商的保修服务，请不要打开机箱，也可以宽松的保修，总是删除笔记本电脑电池并拔掉笔记本电脑电源适配器然后打开笔记本电脑个案别忘记螺丝的位置，以方便您的笔记型电脑取代.-着手对您自担风险。（资源http://www.laptoppartwholesale.com/。注明出处的转载）您阅读过上述的红色文字？不要忘记删除您battery.All这些各不相同。该模型的螺丝包括位于两侧thedisplay大会。有些型号的螺杆涵盖在前面。这一次，我是否对戴尔XPSM1710的例子。（资源http://www.laptoppartwholesale.com/。注明出处ofreproduced ）图二1.Removed从您的笔记本电脑键盘笔记本电脑键盘。
在大多数情况下，我们开始从笔记本电脑拆解笔记本电脑键盘。我们有另一个articl é介绍如何拆卸笔记本电脑键盘。请按here.We pried面板的笔记本电脑键盘公开赛一把螺丝刀，然后删除每个螺丝和thelaptop键盘使他们在一个安全的。标记容器！图三小心拔出电缆的笔记本电脑键盘。（资源http://www.laptoppartwholesale.com/。注明出处的转载）图四现在，我们已经成功地取消了键盘。（资源http://www.laptoppartwholesale.com/。注明出处的转载）
2 。删除笔记本液晶显示器屏幕上。图五删除每一个铰链螺丝笔记本电脑。这样，笔记本电脑液晶显示器屏幕的笔记本电脑来awayfrom 。图六我们必须删除所有螺丝覆盖。此照片中，工程师是消除涵盖从alaptop侧面板螺丝。如果您的笔记本电脑有副作用包括，他们将需要删除aswell.Inserting你的手指之间液晶显示器屏幕和塑料面板工作的方式，直到itunsnaps 。下一步，您的工作方式在顶部和下跌的另一边以同样的方式。 Ifyou不能得到你的手指之间的面板和屏幕图七，如有任何磁带举行视频电缆到后方的液晶显示器画面上，移除it.Then断开逆变器的逆变器插件。现在，我们可以拿走笔记本电脑液晶显示器屏幕上。图八3.Recode的OEM数量图九在这个例子中，液晶显示器屏幕制造商是“三星” 。有关的零件编号为“三星”液晶显示器屏幕（从桌子上左）开始与“低温”或“LTN。 “因此， thepart一些在这个例子中是” LTN170WU - L01 “
这篇文章发表在最新一http://www.laptoppartwholesale.com/article-id-54.html ＃，注明出处ofreproduced 。
您可能还关心以下内容：如何删除电脑液晶显示屏如何拆卸笔记本电脑，一步一步地指导，http://www.laptoppartwholesale.com/article-id-53.html 如何删除和repleace您的笔记型电脑键盘！ -http://www.laptoppartwholesale.com/article-id-58.html
更多的笔记本电脑零件知识

How to remove and repleace your laptop keyboard!-www.laptoppartwholesale.com

2009-07-11T23:10:00.000-07:00

How to remove and repleace your laptop keyboard!-www.laptoppartwholesale.com
1.Pls check your laptop whether under warranty. you will loose the warranty when you open the case by yourself.
2.Unplug the AC laptop adapter and remove the laptop battery before you open it.
3.Insert a small screwdriver or a plastic card under the laptop keyboard bezel and lift it up carefully .
4. Release the plastic latch and remove the bezel with your fingers. The bezel might be connected to the laptop motherboard. Just put the bezel aside.you will see the laptop keyboard screws on the top of the keyboard. Use screwdriver remove screws.
5.Lift up the laptop keyboard, access the connector underneath the keyboard, open the connector and release the flat ribbon cable.At last you can remove and replace the laptop keyboard from the case.
The article was first published in www.laptoppartwholesale.com, Indicate the source ofreproduced.
You may also interested in the following:How to remove Laptop LCD screen
How to disassemble laptop ,step by step guide-www.laptoppartwholesale.com
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How to disassemble laptop ,step by step guide!

2009-06-30T22:20:00.000-07:00

How to disassemble laptop ,step by step guide-www.laptoppartwholesale.com

Hi guy, welcome to http://www.laptoppartwholesale.com/ ,
now, our engineer teach us that how to disassemble laptop, step by step.Today, our engineer take Toshiba M366 for examples.
Because engineer make a explication in Chinese, we write a Textual description in English. We will launch the English video as soon as possible.
Warning!- if your laptop is still covered by the manufacturer’s warranty, do not open the case or you can loose the warranty- always remove the laptop battery and unplug the laptop power adapter before you open the laptop case-don’t forget the position of screws, in order to easy replace your laptop.- proceed on your own risk.
At first, you need to prepare some specifically tool. In order to disassemble this laptop, you just need a screwdriver.
1. Power off your laptop, and Remove the laptop battery.
2. Remove all screw on the Bottom Plastic Casing and take away thes cover board. such as there are 3 screw on this cover board on the middle of the bottom plastic casting and 4 screw on this cover board on the left of the bottom plastic casting. This time, we can upgrade our laptop HDD, wireless network card and RAM.
3. We continue to disassemble laptop. There are 5 screw in battery compartment, let us remove these .now,we finish the work that remove all of screw on bottom plastic Cating.
4. Attention. There are 1 screw at wireless network card side,we must remove it for remove DVD-ROM.we take away modem and untie all cable on laptop motherboard then.we disassemble the bottom plastic is to end.
We turned the laptop on its side and open them then. Because we have had remove all screw on bottom, it is easy to take away the bezel of laptop keyboard. We suggest that you can use some Special tool, such as bank card.now, we can see there are 2 screw to fixed laptop keyboard. Let’s remove them and take away the laptop keyboard. No! we must untie this keyboard’ cable in advance. Be careful, this type of connector is fragile
5. Let’s go on. We find some “arrow “ mark in some screw’s side that onPalm Bezel. Remove them. We can take away Palm Bezel now?
6. We must remove cable, when we take away palm Bezel. White cable is LCD cable.
7. finally ,We see the laptop motherboard.we continue remove screws on laptop motherboard.
8. The left side of the motherboard is the graphics card. This graphics is not standard MSM interface. If we need to upgrade the graphics card, we need to pay attention to the shape of graphics card that it must be same as original.
9. Let us remove the radiating module.this time,we have disassembled laptop.
Thanks for your attention
For assembly instructions follow all the steps in the reverse order.
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