HP (Hewlett-Packard) C3Q78UA ユーザーズマニュアル

Carefully invert the TouchPad button board (1).

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.

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 (includes cable)

683849-001

Before removing the TouchPad LED board, follow these steps:

Shut down the computer.

Disconnect all external devices connected to the computer.

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.

Remove the battery (see 

Remove the service door (see 

Remove the optical drive (see 

Remove the hard drive (see 

Remove the keyboard (see 

Remove the top cover (see 

).

Remove the TouchPad button board (see 

).

ENWW

Component replacement procedures

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