TouchPad button board
Description Spare part number
TouchPad button board (includes cable) 672357-001
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 base enclosure screws (see
Base enclosure on page 25).
5. Remove the keyboard (see
Keyboard on page 26).
6. Remove the top cover (see
Top cover on page 28).
Remove the TouchPad button board and cable:
1. Turn the top cover upside down, with the back edge toward you.
2. Remove the 5 Phillips PM 2.0×3.8 screws (1) that secure the TouchPad button board to the
top cover.
3. Remove the TouchPad bracket (2).
4. Remove the TouchPad button board and cable (3).
Reverse this procedure to install the TouchPad button board and cable.
Component replacement procedures 31
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