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TouchPad button board
Description Spare part number
TouchPad button board (includes cable) 640214-001
Before removing the TouchPad button board, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn
the computer on, and then shut it down through the operating system.
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 47), and then remove the following components:
●
Optical drive (see
Optical drive on page 49)
●
Hard drive (see
Hard drive on page 51)
●
Keyboard (see
Keyboard on page 57)
●
Top cover (see
Top cover on page 61)
Remove the TouchPad button board and cable:
1. Turn the top cover upside down, with the front toward you.
2. Release the TouchPad board cable (1) and the TouchPad button board cable (2) from
the clips (3) built into the top cover.
3. Release the ZIF connector to which the TouchPad LED board cable is connected, and then
disconnect the TouchPad LED board cable (4) from the TouchPad button board.
4. Remove the Phillips PM2.0×4.0 screw (5) that secures the TouchPad button board to
the top cover.
66 Chapter 4 Removal and replacement procedures