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 850 G4. Confirm the exact model on the service label before starting.
HP EliteBook 850 G4 fingerprint reader assembly replacement. HP prints this procedure on printed page 58 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
849912-001- Fingerprint reader assembly (includes cable). Source: printed page 58.
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 computer upright (printed page 58).
- Detach the fingerprint reader board cable off the system board (1). (printed page 58).
- Close the computer, and then carefully position the computer upside down. (printed page 58).
- Take out the Mylar lid from atop the fingerprint reader assembly (2). (printed page 58).
- Slide the bracket toward the right (printed page 58).
- Take out the fingerprint reader board and cable assembly off the computer (4). (printed page 58).
- Fit the replacement part by working back through the printed removal steps (printed page 58).
Part numbers in our catalog
- HP fingerprint reader assembly (with cable) (849912-001)
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-850-g4-fingerprint-reader-assembly-replacement-p58