HP ProBook 650 G5 Maintenance And Service Manual page 80

j. Internal frame (see
k. Serial port board or VGA port board (see
Remove the system board:
1. Position the computer upright and open.
2. Disconnect the following cables from the system board:
(1) Power button board cable
(2) Speaker cable
(3) Fingerprint reader cable
3. Position the computer upside down.
70 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
Internal frame on page 51)
Serial port board or VGA port board on page 66).