Touchpad Button Board - HP Compaq Presario CQ57 Maintenance And Service Manual

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
●
Optical drive (see
●
Keyboard (see
●
Top cover (see
Remove the TouchPad button board and cable:
1. Turn the top cover upside down, with the top toward you.
2. Release the TouchPad board cable (1) and the TouchPad button board cable (2) from the
top cover. (The TouchPad board cable and the TouchPad button board cable are attached to the
top cover with double-sided tape.)
3. Remove the four Phillips PM2.0×4.0 screws (3) that secure the TouchPad button board to the
top cover.
Battery on page 39), and then remove the following components:
Optical drive (select models only) on page
Keyboard on page 49)
Top cover on page 52)
Spare part number
646130-001
40)
Component replacement procedures
57