TouchPad button board
Description Spare part number
TouchPad button board (includes bracket and cables) 813954-001
Before removing the TouchPad button board, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off 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 first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.
4. Remove the battery (see
Battery on page 28).
5. Remove the optical drive (see
Optical drive on page 29), if installed.
6. Remove the bottom cover (see
Bottom cover on page 35).
To remove the TouchPad button board:
1. Disconnect the longer cable from the system board (1) and the shorter cable from the TouchPad (2).
2. Remove the two Phillips PM2.0×2.5 screws (3) that secure the TouchPad button board to the computer.
3. Pull the TouchPad button board toward the bottom of the computer (4), and then remove the TouchPad
and cables (5).
Reverse this procedure to install the TouchPad button board and cables.
50 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
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