Power button board
Description Spare part number
Power button board 626742-001
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 following components:
a. Battery (see
Battery on page 34)
b. Hard drive (see
Hard drive on page 36)
c. Keyboard (see
Keyboard on page 42)
d. Top cover (see
Top cover on page 45)
Remove the power button board:
1. Position the base enclosure with the front edge towards you.
2. Locate the power button board cable (1) and disconnect the cable from the system board (2).
3. Remove the Phillips PM2.0×3.0 screw (3) that secures the power button board to the system
board.
Component replacement procedures 59
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