Touchpad Button Board - HP Presario CQ43-300 Maintenance And Service Manual

3. Remove the power button board and cable (2).
Reverse this procedure to install the power button board and cable.

TouchPad button board

Description
TouchPad button board (includes cable)
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
●
Memory module/wireless module compartment cover (see
●
Hard drive (see
●
Keyboard (see
●
Top cover (see
Battery on page 41), and then remove the following components:
Hard drive on page 46)
Keyboard on page 51)
Top cover on page 54)
Spare part number
646130-001
WLAN module on page
Component replacement procedures
42)
59