Specifications

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 34).
5. Remove the service door (see
Service door on page 35).
6. Remove the optical drive (see
Optical drive on page 36).
7. Remove the hard drive (see
Hard drive on page 39).
8. Remove the keyboard (see
Keyboard on page 46).
9. Remove the top cover (see
Top cover on page 49).
10. Remove the speakers (see
Speakers on page 52).
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.
Component replacement procedures 53