A SERVICE OF

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Power button board
Description Spare part number
Power button board (includes cable) 641144-001
Before removing the power button board, remove the following components:
1. Battery (see
Battery on page 43)
2. Service access cover (see
Service access cover on page 44)
3. Hard drive (See
Hard drive on page 45)
4. Optical drive (see
Optical drive on page 47)
5. WLAN module (see
WLAN module on page 49).
6. Memory module (see
Memory module on page 51)
7. Keyboard (see
Keyboard on page 52)
8. Top cover (see
Top cover on page 55)
Remove the power button board:
1. Position the top cover upside down, with the rear edge toward you.
2. Remove the Phillips 3.0×2.0 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.
58 Chapter 4 Removal and replacement procedures