TouchPad board
Description Spare part number
TouchPad board (includes brackets) 861674-001
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 unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the two computer feet and base enclosure (see Computer feet and base enclosure on page 19).
5. Remove the battery (see Battery on page 21).
6. Remove the heat sink (see Heat sink on page 21).
Remove the TouchPad board:
1. Disconnect the TouchPad board cable (1).
2. Remove the three Phillips screws (2) that secure the TouchPad bracket to the TouchPad and remove the
TouchPad bracket (3).
3. Remove the three Phillips screws (4) that secure the TouchPad to the keyboard/top cover.
4. Remove the TouchPad board (5).
Reverse this procedure to install the TouchPad board.
Component replacement procedures 29