Power button board
Description Spare part number
Power button board (includes cable) 813516-001
Before removing the power button board, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is o 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 rst 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 26).
5. Remove the optical drive (see Optical drive on page 27).
6. Remove the bottom cover (see Bottom cover on page 30).
To remove the power button board:
1. Disconnect the power button board cable from the system board (1).
2. Remove the Phillips PM2.0×3.0 screw (2) that secures the power button board to the top cover.
3. Rotate the top of the board upward, and then remove the power button board and cable from the
computer (3).
Reverse this procedure to install the power button board and cable.
42 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts