Touchpad Button Board - HP Compaq Presario,Presario CQ42-121 Maintenance And Service Manual

TouchPad button board

Description
TouchPad button board
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
5. Remove the following components:
a. Hard drive (see
b. Optical drive (see
c. Keyboard (see
d. Top cover (see
Remove the TouchPad button board:
1. Turn the top cover upside down with the front toward you.
2. Remove the two Phillips PM2.5×3.0 screws (1) that secure the TouchPad board to the top cover.
3. Remove the TouchPad button board (2) from the TouchPad bracket.
Reverse the above procedure to reassemble and install the TouchPad button board.
ENWW
Battery on page 52).
Hard drive on page 53)
Optical drive on page
Keyboard on page 62)
Top cover on page 64)
56)
Component replacement procedures
Spare part number
604603-001
69