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5.
Carefully invert the TouchPad button board (1).
6. Release the ZIF connector to which the TouchPad LED board cable is connected, and then
disconnect the TouchPad LED board cable (2) from the TouchPad button board.
7. Lift the TouchPad button board away from the top cover (3).
Reverse this procedure to install the TouchPad button board and cable.
TouchPad LED board
Description Spare part number
TouchPad LED board (includes cable) 683849-001
Before removing the TouchPad LED board, follow these steps:
1. Shut down the computer.
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 battery (see
Battery on page 33).
5. Remove the service door (see
Service door on page 34).
6. Remove the optical drive (see
Optical drive on page 35).
7. Remove the hard drive (see
Hard drive on page 38).
8. Remove the keyboard (see
Keyboard on page 45).
9. Remove the top cover (see
Top cover on page 48).
10.
Remove the TouchPad button board (see
TouchPad button board on page 54).
ENWW
Component replacement procedures
55