Power button board
Description Spare part number
Power button board (includes cable) 813955-001
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 32).
5. Remove the optical drive (see Optical drive on page 33), if installed.
6. Remove the bottom cover (see Bottom cover on page 39).
7. Remove the display (see Display assembly on page 62).
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.
Component replacement procedures 71
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