HP (Hewlett-Packard) G4 Laptop User Manual


 
Power button board
Description Spare part number
Power button board (includes cable) 680560-001
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
Battery on page 31).
5. Remove the service door (see
Service door on page 32).
6. Remove the optical drive (see
Optical drive on page 33).
7. Remove the hard drive (see
Hard drive on page 36).
8. Remove the keyboard (see
Keyboard on page 43).
9. Remove the top cover (see
Top cover on page 46).
10. Remove the speakers (see
Speakers on page 49).
Remove the power button board:
1. Turn the top cover upside down, with the front toward you.
2. Remove the Phillips M2.5 × 2.5 screw (1) that secures the power button board to the top cover.
3. Remove the power button board and cable (2).
Reverse this procedure to install the power button board.
50 Chapter 4 Removal and replacement procedures