TouchPad button board
Description Spare part number
TouchPad button board L23197-001
TouchPad button board bracket L23193-001
TouchPad button board cable L23185-001
Before removing the TouchPad button board, follow these steps:
1. Shut down the computer.
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 29).
5. Remove the battery (see Battery on page 31).
Remove the TouchPad button board:
1. Disconnect the TouchPad ZIF cable from the TouchPad button board (1).
2. Disconnect the system board ZIF cable from the TouchPad button board (2).
3. Remove the two Phillips M2.0×2.0 screws (3) that secure the board to the computer.
4. Lift the bracket from on top of the TouchPad button board (4).
5. Remove the TouchPad button board from the computer (5).
Reverse this procedure to install the TouchPad button board.
Component replacement procedures 41
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