Power Button Board - HP ProBook 640 G1 Maintenance And Service Manual

Power button board

Description
Power button board (includes cable)
For 15.6-in models
For 14-in models
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
a. Service cover (see
b. Hard drive (see
c. Optical drive (see
d. Keyboard (see
e. Base enclosure (see
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.
96 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
Battery on page 64), and then remove the following components:
Service cover on page
Hard drive on page 66)
Optical drive on page 77)
Keyboard on page 80)
Base enclosure on page
65)
91)
Spare part number
738701-001
738399-001