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TouchPad button board
Description Spare part number
TouchPad button board (includes bracket and cable) 641143-001
Before removing the TouchPad button board, remove the following components:
1. Battery (see
Battery on page 44)
2. Service access cover (see
Service access cover on page 45)
3. Hard drive (see
Hard drive on page 46)
4. Optical drive (see
Optical drive on page 48)
5. Keyboard (see
Keyboard on page 53)
6. Top cover (see
Top cover on page 56)
Remove the TouchPad button board:
1. Position the top cover upside down, with the front toward you.
2. Release the ZIF connector (1), and then disconnect the TouchPad LED ZIF cable (2) from the
TouchPad button.board.
3. Remove the Phillips PM2.0×3.0 screw (3) that secures the TouchPad bracket to the top cover.
4. Lift up and remove the TouchPad button board bracket (4). The TouchPad button is fused onto
the TouchPad button board bracket.
Reverse the above procedure to reassemble and install the TouchPad button board.
60 Chapter 4 Removal and replacement procedures ENWW