Power Button Board - HP mt42 Maintenance And Service Manual

Power button board

Description
Power button board assembly
Before removing the power 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 power button board:
1. Disconnect the cable from the system board (1).
2. Remove the Phillips PM2.5×2.5 screw (2) that secures the power button board to the top cover.
3. Push the lever left (3).
4. Slide the power button board left from beneath the hinge (4).
Reverse this procedure to install the power button board.
46 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
Bottom cover on page
Battery on page 29).
Keyboard on page 37)
(Internal base plate on page
26).
42)
Spare part number
821169-001