Power Button Board - HP 255 G4 Maintenance And Service Manual

Power button board

Description
Power button board (includes cable)
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 battery (see
5. Remove the optical drive (see
6. Remove the bottom cover (see
7. Remove the display (see
To remove the power button board:
1. Remove the Phillips PM2.0×2.5 screw (1) that secures the power button board to the top cover.
2. Remove the power button board and cable from the computer (2).
Reverse this procedure to install the power button board and cable.
Battery on page 28).
Optical drive on page
Bottom cover on page
Display assembly on page
29), if installed.
35).
54).
Component replacement procedures
Spare part number
813955-001
61