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 G8. Confirm the exact model on the service label before starting.
HP ProBook 455 G8 Notebook PC touchpad replacement. HP prints this procedure on printed page 40 of its maintenance and service guide, and the spare-part table for this part is on printed page 40.
tools and parts
- Screwdrivers and a non-marking pry tool as HP lists for this procedure
- Static-safe work surface
M21999-001- Touchpad. Source: printed page 40.M21713-001- Touchpad cable (included in Cable Kit). Source: printed page 40.
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.
- Get the machine ready for taking apart (the Preparation for disassembly section is on page 32). (printed page 34).
- Take the bottom cover off (the Bottom cover section is on page 32). (printed page 34).
replacement
- Take the battery out (the Battery section is on page 33). (printed page 40).
- Detach the main board lead from the ZIF connector on the touchpad (1). (printed page 41).
- Take the five Phillips M2.0× 2.0 fasteners (2) that hold the touchpad to the machine. (printed page 41).
- Undo the Phillips M1.6 × 2.0 fastener (3) that holds the touchpad to the machine. (printed page 41).
- Take the touchpad from the machine (4). (printed page 41).
- Fit the replacement part by working back through the printed removal steps (printed page 41).
Parts this procedure uses
- HP cable M21713-001 (M21713-001)
Part numbers in our catalog
- HP touchpad M21999-001 (M21999-001)
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-probook-455-g8-touchpad-replacement-p40