Datasheet

TouchPad module
Description Spare part number
In midnight black finish for use on all computer models (includes bracket and cable) 688001-001
In natural silver finish for use only on computer models equipped with an Intel processor (includes
bracket and cable)
691643-001
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 (see
Base enclosure on page 43).
Remove the TouchPad button board and cable:
1. Turn the top cover upside down, with the back edge toward you.
2.
Disconnect the cable (1) that secures the TouchPad cable to the system board.
3.
Remove the 4 Phillips PM 2.5×3.0 black screws (2) that secure the TouchPad button board to the
top cover.
4. Remove the 2 Phillips PM 2.5x3.0 silver screws, and then remove the TouchPad bracket (3).
Component replacement procedures
51