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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 40)
2. Service access cover (see
Service access cover on page 41)
3. Hard drive (See
Hard drive on page 42)
4. Optical drive (see
Optical drive on page 44)
5. WLAN module (see
WLAN module on page 46).
6. Memory module (see
Memory module on page 48)
7. Keyboard (see
Keyboard on page 50)
8. Top cover (see
Top cover on page 52)
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.
56 Chapter 4 Removal and replacement procedures ENWW