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 61). 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 EliteBook 840 G6. Confirm the exact model on the service label before starting.
HP EliteBook 840 G6 Notebook PC touchpad button board replacement. HP prints this procedure on printed page 61 of its maintenance and service guide.
Tools and parts
- Screwdrivers and a non-marking pry tool as HP lists for this procedure
- Static-safe work surface
L18311-001- Touchpad button board. Source: printed page 61.
Preparation
Save your work, shut the computer down through the operating system, unplug AC power and every external device, and work on a grounded, static-safe surface.
Replacement
- Shut down, unplug, and remove the bottom cover and the battery. (printed page 61).
- Release the touchpad button board lead from its ZIF connector on the touchpad. (printed page 61).
- Remove the four Phillips screws and take the small board out. (printed page 61).
Parts this procedure uses
- HP Touchpad button board L18311-001 (L18311-001)
Manufacturer manual
HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-elitebook-840-g6-notebook-pc-touchpad-button-board-replacement-p61