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ThinkPad T420 Keyboard Replacement

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  1. ThinkPad T420 Keyboard Replacement, Find your keyboard FRU: stap 1, afbeelding 1 van 3 ThinkPad T420 Keyboard Replacement, Find your keyboard FRU: stap 1, afbeelding 2 van 3 ThinkPad T420 Keyboard Replacement, Find your keyboard FRU: stap 1, afbeelding 3 van 3
    • Each country has a different keyboard FRU part number. Refer to the guide photos or the Lenovo HMM if you live outside of the US.

    • The old part can also be used as a reference.

  2. ThinkPad T420 Keyboard Replacement, Remove the battery: stap 2, afbeelding 1 van 3 ThinkPad T420 Keyboard Replacement, Remove the battery: stap 2, afbeelding 2 van 3 ThinkPad T420 Keyboard Replacement, Remove the battery: stap 2, afbeelding 3 van 3
    • Remove the battery. Push the locking tab to the unlocked position.

    • Once the battery is unlocked, hold the battery release tab in and pull the battery out.

  3. ThinkPad T420 Keyboard Replacement, Remove the RAM door: stap 3, afbeelding 1 van 3 ThinkPad T420 Keyboard Replacement, Remove the RAM door: stap 3, afbeelding 2 van 3 ThinkPad T420 Keyboard Replacement, Remove the RAM door: stap 3, afbeelding 3 van 3
    • WWAN ready systems ship with antenna covers over these cables. Someone installed a WLAN card in this T420 which disabled the better card and was removed.

    • To remove the RAM door, use a Phillips #0 bit. Unscrew the RAM door and set the screw aside in a safe location.

    • To remove the RAM door, pull it off from the side. This can be done with a plastic pry tool or your fingernail.

  4. ThinkPad T420 Keyboard Replacement, Remove the keyboard screw: stap 4, afbeelding 1 van 2 ThinkPad T420 Keyboard Replacement, Remove the keyboard screw: stap 4, afbeelding 2 van 2
    • A magnetic screwdriver is highly recommended. This screw has a tendency to not come out unless a magnet is used.

    • To remove the keyboard, remove the final screw. This will be located under the RAM door.

  5. ThinkPad T420 Keyboard Replacement, Remove the keyboard: stap 5, afbeelding 1 van 3 ThinkPad T420 Keyboard Replacement, Remove the keyboard: stap 5, afbeelding 2 van 3 ThinkPad T420 Keyboard Replacement, Remove the keyboard: stap 5, afbeelding 3 van 3
    • Open the laptop.

    • To remove the keyboard, release the keyboard hooks using a plastic pry tool.

    • Once the keyboard is loose, remove it from the chassis.

  6. ThinkPad T420 Keyboard Replacement, Disconnect the keyboard: stap 6, afbeelding 1 van 3 ThinkPad T420 Keyboard Replacement, Disconnect the keyboard: stap 6, afbeelding 2 van 3 ThinkPad T420 Keyboard Replacement, Disconnect the keyboard: stap 6, afbeelding 3 van 3
    • If you have a can of compressed air available, some of the dust can be removed at this point. Further disassembly is required for a full cleaning.

    • Disconnect the keyboard from the motherboard. Use a plastic pry tool for this step.

  7. ThinkPad T420 Keyboard Replacement, Keyboard re-installation: stap 7, afbeelding 1 van 3 ThinkPad T420 Keyboard Replacement, Keyboard re-installation: stap 7, afbeelding 2 van 3 ThinkPad T420 Keyboard Replacement, Keyboard re-installation: stap 7, afbeelding 3 van 3
    • Reconnect the keyboard to the motherboard. Once connected, slide the top (volume controls) in first.

    • Once the top of the keyboard is pushed in, slide the keyboard down to re-engage the lower clips until they are not visible.

    • Replace the silver screw and RAM door.

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Nick

Lid sinds: 11/10/09

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3 opmerkingen

Excellent guide, I like the detail specifying screw bits

Jakezxz1 - Antwoord

replacing the key went good but can’t get in because of password. need help

Steve Jacofsky - Antwoord

I love how simply disassemby are in those old ThinkPads <3

Ziobro - Antwoord

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