HP EliteBook 850 G4 Maintenance And Service Manual page 79

4. Disconnect the following cables from the system board:
(1) Antenna cables from clips
(2) Speaker cable
(3) Display cable
(4) Touch cable (if equipped)
(5) Power button board cable
(6) USB/audio board cable
5. Remove the 2 Phillips M2.5×5.0 screws (1) that secure the system board to the computer.
6. Lift the right side of the system board up at an angle (2).
Component replacement procedures 67