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 450 G4. Confirm the exact model on the service label before starting.
HP ProBook 450 G4 Notebook PC fingerprint reader assembly replacement. HP prints this procedure on printed page 56 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
905772-001- Fingerprint reader assembly (includes cable). Source: printed page 56.905770-001- Fingerprint reader bracket (included in the Plastics Kit). Source: printed page 56.
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
- Position the top cover upside-down. (printed page 56).
- Slide the bracket downward (printed page 56).
- Lift the cable off the clips along the lead routing path in the top cover (2). (printed page 56).
- Lift the fingerprint reader lead to disengage the adhesive that holds it to the top cover (3), and after that (printed page 57).
- Fit the replacement part by working back through the printed removal steps (printed page 57).
Parts this procedure uses
Part numbers in our catalog
- HP fingerprint reader assembly (with cable) (905772-001)
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-450-g4-fingerprint-reader-assembly-replacement-p56