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 fingerprint reader assembly replacement. HP prints this procedure on printed page 56 of its maintenance and service guide, and the spare-part table for this part is on printed page 56.
tools and parts
- Flat-bladed drivers, Phillips P0 and P1 drivers and Torx T8 drivers
- 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
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.
replacement
- Position the top cover upside-down. (printed page 56).
- Slide bracket downward and lift it off fingerprint reader board (1). To slide bracket downward, use flat tool and push at top of the bracket to force it downward. (printed page 56).
- Lift the cable off the clips along the lead routing path in the top cover (2). (printed page 56).
- Lift fingerprint reader cable to disengage the adhesive that holds it to the top cover, and then remove the board and cable assembly off the top cover (4). (printed page 57).
- Put the fingerprint reader assembly back by repeating the printed removal moves in the opposite order (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-455-g4-fingerprint-reader-assembly-replacement-p56