Power button board
Description Spare part number
Power button board (includes cable) 792777-001
Before removing the power button board, follow these steps:
1. Turn o 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the keyboard/top cover (see Keyboard/top cover on page 29).
Remove the power button board:
1. Position the keyboard/top cover upside down.
2. Remove the PM2.0×2.0 broad head screw (1) that secures the power button board to the keyboard/
top cover.
3. Lift the board to disengage it from the posts built into the top cover (2) and then remove the board (3).
Reverse this procedure to install the power button board.
36 Chapter 5 Removal and replacement procedures for Authorized Service Provider parts
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