Keyboard removal and installation - ThinkPad T420s, T420si
Note:

Disable system Battery in BIOS before Servicing or installing a part

 

Keyboard removal instructions

For access, remove this FRUs in order:

Note: Remove the screws [1] .

Please perform the following steps as shown in the pictures below.

77296_keyboard.jpg

StepScrew (quantity)ColorTorque
1M2 × 5 mm, wafer-head, nylon-coated (2)Black0.181 Nm (1.85 kgfcm)

77296_keyboard1.jpg

StepScrew (quantity)ColorTorque
2M2 × 5 mm, flat-head, nylon-coated (2)Black0.181 Nm (1.85 kgfcm)

Slightly press the keyboard and slide it a little bit forward, in the direction shown by arrow [3] , to detach the front edge of the keyboard from the frame. Then, lift up the keyboard in the direction shown by arrow [4] .

77296_keyboard2.jpg

Lift the keyboard a little in the direction shown by arrow [5] , and then detach the connector [6].

77296_keyboard3.jpg

 

Keyboard installation instructions

When installing the keyboard, do the following

  1. Attach the keyboard connector.77296_keyboard4.jpg

  2. Attach the keyboard so that the keyboard edge a is under the frame as shown in the following figure.
    77296_keyboard5.jpg

  3. Gently press the keys with your palms and slightly slide the keyboard toward you until it snaps into position.
    77296_keyboard6.jpg

  4. Secure the keyboard by tightening the screws from the bottom side of the computer.
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Country Availability
AvailableWorldwide
Document ID : PD013298
Legacy Document ID : MIGR-77296
Last Updated :
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