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 ProBook 455 G4. Confirm the exact model on the service label before starting.
HP ProBook 455 G4 Notebook PC touchpad assembly replacement. HP prints this procedure on printed page 64 of its maintenance and service guide.
tools and parts
- Flat-bladed drivers, Phillips P0 and P1 drivers and Torx T8 drivers
- Static-safe work surface
- No spare part number for this component was found in the cached manual
905769-001- TouchPad assembly cable (included in Cable Kit). Source: printed page 64.
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.
- Position the top cover upside-down. (printed page 56).
replacement
- Detach the cable from the connector on the TouchPad. (printed page 64).
- Take out the 4 Phillips PM2.5×3.0 screws that hold the TouchPad to the top cover. (printed page 64).
- Rotate top of TouchPad upward (3), and then pull board toward the top of the top panel to remove it (4). (printed page 64).
- If you need to replace TouchPad assembly cable (printed page 65).
- Put the touchpad assembly back by repeating the printed removal moves in the opposite order (printed page 65).
Parts this procedure uses
- HP Optical drive cable and connector 905769-001 (905769-001)
Manufacturer manual
HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-probook-455-g4-touchpad-assembly-replacement