Source: steps rewritten in our own words (no more than 8 words in a row copied; part numbers, screw sizes and warnings kept as printed) from HP's Maintenance and Service Guide (PDF, printed pages 32–70). Not bench-tested. We have not performed this repair; keep HP's manual open for its illustrations. Scope restrictions below are part of the guide: do not apply it to other models, generations or configurations. Service manuals are written for trained technicians; work at your own risk.
Labels: DOCUMENTED = taken from HP's manual; PROPOSED = our own joining or ordering of HP's directions, not an HP instruction; UNPERFORMED = a suggested check that has not been carried out.
Applies to
HP ZBook 15 G3. Confirm the exact model on the service label before starting.
HP ZBook 15 G3 Mobile Workstation buttons replacement. HP prints the spare part table for this procedure on printed page 70.
Tools and parts
- Torx T8 screw driver, Flat-bladed screw driver and Magnetic screw driver
- Static-safe work surface
Preparation
HP prints its tools list and its handling and electrostatic-discharge cautions on printed page 27. Work on a grounded, static-safe surface, keep screws grouped by the position they came from, and handle boards and modules by their edges.
Replacement
- Power the machine down. (printed page 32).
- Detach the power from the notebook by unplugging the power cord from the computer. (printed page 32).
- Detach all external devices from the computer. (printed page 32).
- Take off the bottom cover (see that procedure on page 32). (printed page 34).
- Detach the battery (see that procedure on page 34). (printed page 36).
- Take out the hard drive (see that procedure on page 58). (printed page 60).
- Take off the keyboard (see that procedure on page 49). (printed page 67).
- Take off the fans (see that procedure on page 55). (printed page 67).
- Take out the smart card reader (see that procedure on page 57). (printed page 58).
- Take out the system board (see that procedure on page 67). (printed page 70).
- Take out the Phillips PM2.5×2.5 screw that holds each button to the base enclosure. (printed page 70).
- Lift the buttons out of the computer (2). (printed page 70).
- Install the buttons by working back through the printed removal steps (printed page 70).
Manufacturer manual
HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-zbook-15-g3-buttons-replacement-p70