HP (Hewlett-Packard) 6720R ユーザーズマニュアル

TouchPad board (includes cable)

456600-001

TouchPad button board (includes cable)

456601-001

TouchPad Miscellaneous Kit (includes TouchPad bracket and TouchPad button board actuators)

456622-001

Before removing the TouchPad board and TouchPad button board, follow these steps:

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.

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 following components:

. Hard drive (see 

. Optical drive (see 

)

. Keyboard (see 

. Switch cover (see 

. Speaker (see 

Display lid switch module (see 

)

. Display assembly (see 

)

. Top cover (see 

Remove the TouchPad board and TouchPad button board:

Turn the top cover upside down, with the front toward you.

Release the ZIF connectors on the TouchPad button board (1) and TouchPad board (2) to which the

TouchPad board cable is connected.

Disconnect and remove the TouchPad board cable (3).

62 Chapter 4   Removal and replacement procedures