Touchpad Button Board - HP mt42 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 bottom cover (see
5. Remove the battery (see
6. Remove the following components:
a. Keyboard (see
b. Internal base plate
Remove the touchpad button board:
1. Disconnect the cable from the touchpad to the smart card reader board (1), and then disconnect the NFC
antenna from the NFC module (2).
2. Lift the tape (3), and then remove the 2 Phillips PM2.5x2.5 screws (4) that secure the touchpad button
board to the top cover.
3. Lift the top of the touchpad button board up, and then pull it forward to remove it from the slot (5).
Reverse this procedure to install the touchpad board.
Bottom cover on page
Battery on page 29).
Keyboard on page 37)
(Internal base plate on page
26).
42)
Component replacement procedures
Spare part number
821171-001
47