A SERVICE OF

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Power button board
Description Spare part number
Power button board 640884-001
Before removing the power button board, remove the following components:
1. Battery (see
Battery on page 30)
2. Service door (see
Service door on page 31)
3. Hard drive (see
Hard drive on page 32)
4. Optical drive (see
Optical drive on page 34)
5. WLAN module (see
WLAN module on page 36).
6. Memory module (see
Memory module on page 37)
7. Keyboard (see
Keyboard on page 39)
8. Top cover (see
Top cover on page 41)
Remove the power button board:
1. Turn the top cover upside down with the rear edge toward you.
2. Remove the Phillips 3.0 x 2.0 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.
44 Chapter 4 Removal and replacement procedures