TouchPad board
Description Spare part number
TouchPad board 929472-001
TouchPad click button board and cable 931594-001
Before removing the TouchPad board, follow these steps:
1. Turn o 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 the power from the computer by rst unplugging the power cord from the AC outlet and then
unplugging the AC adapter from the computer.
3. Disconnect all external devices from the computer.
4. Remove the following components:
a. Base enclosure (see Base enclosure on page 45)
b. Battery (see Battery on page 38)
c. Speakers (see Speakers on page 47).
d. Optical drive (see Optical drive on page 48)
e. Remove the fans (see Fans on page 53)
f. Remove the heatsink (see Heat sink on page 54)
g. Remove the system board (see System board on page 57)
Remove the TouchPad board:
1. Disconnect the Touchpad connector cable from the system board (1).
2. Disconnect the TouchPad from the keyboard/top cover (2).
3. Carefully remove the three Phillips screws (3) that secure the TouchPad click board and the TouchPad to
the computer.
4. (4) that secures the TouchPad board.
62 Chapter 6 Removal and replacement procedures for authorized service provider parts
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