HP ZBook 17 G4 Mobile Workstation Maintenance And Service Manual page 78

2. Remove the eight Phillips screws (1) securing the system board edges.
3. Remove the two Phillips screws (2) securing the system board.
4. Remove the two Phillips screws (3) securing the display cable bracket, and then remove the bracket (4).
NOTE:
5. Release the connector (5) for the display cable.
66 Chapter 6 Removal and replacement procedures for authorized service provider parts
Use flat tool under the connector to remove evenly. Do not pull on the cable to remove.