Power button board
Description Spare part number
Power button board 616495-001
Before removing the power button board:
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 disconnecting the power cord from the AC
outlet and then disconnecting the AC adapter from the computer.
4. Remove the battery (see
Battery on page 41).
5. Remove the following components:
a. Hard drive (see
Hard drive on page 42)
b. Optical drive (see
Optical drive on page 45)
c. Keyboard (see
Keyboard on page 53)
d. Top cover (see
Top cover on page 56)
Remove the power button board:
1. Turn the top cover upside down with the rear edge toward you.
2. Remove the Phillips PM2.0×3.0 screw (1) that secures the power button board to the top cover.
3. Lift up and remove the power button board (2).
Reverse this procedure to install the power button board.
60 Chapter 4 Removal and replacement procedures
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