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 37)
2. Service access cover (see
Service access cover on page 38)
3. Hard drive (See
Hard drive on page 39)
4. Optical drive (see
Optical drive on page 41)
5. WLAN module (see
WLAN module on page 43).
6. Memory module (see
Memory module on page 45)
7. Keyboard (see
Keyboard on page 47)
8. Top cover (see
Top cover on page 49)
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.
Component replacement procedures 53