HP ProBook 640 G1 Maintenance And Service Manual page 107

a. Service cover (see
b. Hard drive (see
c. Optical drive (see
d. Keyboard (see
e. Base enclosure (see
Remove the function button board:
1. Turn the top cover upside down, with the front toward you.
2. Release the ZIF connector (1) to which the function button board cable is attached, and then disconnect
the function button board cable from the system board.
3. Remove the three Phillips PM2.0×3.0 screws (2) that secure the function button board to the top cover.
4. Lift the function button board (3) to remove it.
Reverse this procedure to install the function button board.
Service cover on page
Hard drive on page 58)
Optical drive on page
Keyboard on page 72)
Base enclosure on page
57)
69)
82)
Function button board 97