HP EliteBook 850 G4 Maintenance And Service Manual page 78

WWAN module (see
●
● Heat sink/fan assembly (see
Remove the system board:
1. Position the computer upright and open as far as possible.
2. Disconnect the card reader cable (1) and the fingerprint reader cable (2) from the system board by lifting
the ZIF connectors and removing the cables from the connectors.
3. Close the computer and position it upside down.
66 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
WWAN module on page 47)
Heat sink/fan assembly on page 55)