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Power switch assembly
Description Spare part number
Power switch assembly (includes power switch board cable and actuator switch) 441142-001
Before removing the power switch assembly, follow these steps:
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 cord.
4. Remove the battery (see
Battery on page 39).
5. Remove the following components:
a. Hard drive (see
Hard drive on page 41)
b. Optical drive (see
Optical drive on page 43)
c. Keyboard (see
Keyboard on page 49)
d. Switch cover (see
Switch cover on page 51)
e. Display assembly (see
Display assembly on page 53)
f. Top cover (see
Top cover on page 56)
Remove the power switch assembly:
1. Remove the two Phillips PM2.0×4.0 screws (1) that secure the power switch board to the base
enclosure.
2. Remove the Phillips PM2.0×3.0 screw (2) that secures the display release hook assembly to the
base enclosure.
Component replacement procedures 59