Power Button Board - HP ProOne 400 23.8-inch G4 All-in-One Business PC Maintenance & Service Manual

Power button board

The power button board is located at the bottom, right of the computer. It is spared with a plastic holder.
To remove the power button board:
1. Prepare the computer for disassembly (see
2. Remove the stand (see
3. Remove the rear port cover (see
4. Remove the speaker cover (see
5. Disconnect the power button board cable from the system board ZIF connector (1), and then push the
connector end of the cable through the hole (2) that allows the cable to route to the front of the chassis.
6. Locate the power button board under the speaker cover.
7. Remove Phillips screw (1) that secures the power button board to the computer.
Preparing to disassemble the computer on page
Stand on page 21).
Rear port cover on page
Speakers on page
23).
42).
21).
Power button board 45