Specifications
TouchPad button board
Description Spare part number
TouchPad button board (includes cable) 682488-001
Before removing the TouchPad button board, follow these steps:
1. Shut down the computer.
2. Disconnect the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the battery (see
Battery on page 34), and then remove the following components:
a. Service door (see
Service door on page 35)
b. Hard drive (see
Hard drive on page 36)
c. Optical drive (see
Optical drive on page 39)
d. Keyboard (see
Keyboard on page 46)
e. Top cover (see
Top cover on page 49)
Remove the TouchPad button board:
1. Turn the top cover upside down, with the front toward you.
2. Release the TouchPad button board cable (1) from the top cover. (The TouchPad button board
cable is attached to the top cover by double-sided tape.)
3. Release the TouchPad ZIF connector to which the TouchPad button board cable is connected,
and then disconnect the TouchPad button board cable (2) from the TouchPad board.
4. Remove the three Phillips M2.0×3.5 screws (3) that secure the TouchPad button board bracket
to the top cover.
54 Chapter 4 Removal and replacement procedures










