Specifications

Power button board
Description Spare part number
Power button board (includes cable)
For 15.6-in models 738701-001
For 14-in models 738399-001
Before removing the power button board, follow these steps:
1. Turn off 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the battery (see
Battery on page 63), and then remove the following components:
a. Service cover (see
Service cover on page 64)
b. Hard drive (see
Hard drive on page 65)
c. Optical drive (see
Optical drive on page 76)
d. Keyboard (see
Keyboard on page 79)
e. Base enclosure (see
Base enclosure on page 89)
Remove the power button board:
1. Turn the top cover upside down, with the front toward you.
2. Remove the Phillips PM2.0×3.0 screw (1) that secures the power button board to the top cover.
3. Release the clips (2) that secure the power button board to the top cover.
94 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts