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 G4. Confirm the exact model on the service label before starting.
HP ZBook 15 G4 Mobile Workstation touchpad module replacement. HP prints the spare part table for this procedure on printed page 58.
Tools and parts
- Torx driver, Magnetic screwdriver and Phillips P0 and P1 screwdrivers
- Static-safe work surface
850944-001- TouchPad module. Source: printed page 58.
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 36). (printed page 37).
- Detach the battery (see that procedure on page 37). (printed page 38).
- Take out the left speaker (see that procedure on page 57). (printed page 58).
- Detach the TouchPad cable from the TouchPad board (1). (printed page 58).
- Take out the four Phillips PM2.5×3.0 screws that hold the TouchPad module to the top cover. (printed page 58).
- Draw the Pointing pad out from under the lip near the main board (3). (printed page 58).
- Take out the TouchPad module and cable (printed page 58).
- Install the touchpad module by working back through the printed removal steps (printed page 58).
Parts this procedure uses
- HP touchpad 850944-001 (850944-001)
Manufacturer manual
HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-zbook-15-g4-touchpad-module-replacement-p58