Touchpad board
Description Spare part number
Touchpad board 821668-001
Touchpad board with NFC antenna 821667-001
Before removing the touchpad board, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is o or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by rst unplugging the power cord from the AC outlet, and
then unplugging the AC adapter from the computer.
4. Remove the bottom cover (see Bottom cover on page 30).
5. Remove the battery (see Battery on page 35).
Remove the touchpad board:
1. Lift the tape (1) that secures the touchpad board to the computer.
2. Disconnect the cable from the smart card reader board (2).
3. Disconnect the NFC antenna from the NFC module (3).
4. Remove the 3 Phillips M2.0x2.0 screws (4) that secure the touchpad board to the computer.
5. Lift the bottom of the touchpad board up, and then pull it forward to remove it from the computer (5).
Reverse this procedure to install the touchpad board.
Component replacement procedures 59
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