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 755 G3. Confirm the exact model on the service label before starting.
HP EliteBook 755 G3 Notebook PC touchpad button board replacement. HP prints this procedure on printed page 65 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
821171-001- Touchpad button board for HP 745. Source: printed page 65.821172-001- Touchpad button board w/NFC antenna. Source: printed page 65.836620-001- Touchpad button board for HP 755. Source: printed page 65.837851-001- Touchpad button board w/NFC antenna for HP 755. Source: printed page 65.
Preparation
Save your work and shut the computer down through the operating system, unplug AC power and every external device, and work on a clean, grounded, ESD-protected surface while sorting each screw by its original location. Handle every cable by its connector and put each one back in its own place during reassembly.
Replacement
- Detach the cable from the touch pad to the smart card reader board (1) (printed page 65).
- Lift the tape (3) (printed page 65).
- Raise the top of the pointing pad button board up, and after that pull it forward to lift it out from the slot (5). (printed page 66).
- Fit the replacement part by working back through the printed removal steps (printed page 66).
Part numbers in our catalog
- HP touchpad (EliteBook 850 G4), with NFC antenna (837851-001)
- HP touchpad button board (EliteBook 850) (836620-001)
- HP touchpad 821172-001 (821172-001)
- HP touchpad 821171-001 (821171-001)
Check each part page for its source and variant notes before ordering.
Manufacturer manual
HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-elitebook-755-g3-touchpad-button-board-replacement-p65