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Lenovo Laptop T400 Motherboard Replacement

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  1. Lenovo Laptop T400 Motherboard Replacement, Motherboard: crwdns2935265:01crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • recommend to print out picture of the backside of the laptop and then use it as a template to place the screws on. They are many and different sizes.

    • Remove all bottom screws and place on template printout.

  2. Lenovo Laptop T400 Motherboard Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Lenovo Laptop T400 Motherboard Replacement: crwdns2935265:02crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Remove DVD drive. Toggle the "play triangle" switch so that the tab extends. Pull the tab to remove the DVD drive.

    • Remove hard drive

  3. Lenovo Laptop T400 Motherboard Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Lenovo Laptop T400 Motherboard Replacement: crwdns2935265:03crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Lenovo Laptop T400 Motherboard Replacement: crwdns2935265:03crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • unsnap touchpad left and right.

    • lift up touchpad carefully, and disconnect touchpad.

  4. Lenovo Laptop T400 Motherboard Replacement: crwdns2935265:04crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Lenovo Laptop T400 Motherboard Replacement: crwdns2935265:04crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Pull keyboard gently toward yourself. and then lift up untill flex is visible.

    • use spudger to disconnect connector for keyboard.

  5. Lenovo Laptop T400 Motherboard Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • The rest of the guide is mosly helpfull pictures...

    • Remove WLAN module by

    • unplug carefully with spudger the two RF connectors to WLAN module.

    • remove the two screws holding wlan module.

    • lift up module 45 degress and pull outwards.

  6. Lenovo Laptop T400 Motherboard Replacement: crwdns2935265:06crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Lenovo Laptop T400 Motherboard Replacement: crwdns2935265:06crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Lenovo Laptop T400 Motherboard Replacement: crwdns2935265:06crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • usefull images showing most of main assembly.

    • Removing RAM modules is usefull if the whole logic board needs to be taken out.

    • From here on , unscrew everything - carefully note where screws belong. I used Ifixit magnetic mat and some note making.

  7. Lenovo Laptop T400 Motherboard Replacement: crwdns2935265:07crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • one more image to help you

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To reassemble your device, follow these instructions in reverse order.

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Carsten Dahl Hjarup

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