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 640 G2. Confirm the exact model on the service label before starting.
HP ProBook 640 G2 Notebook PC fingerprint reader replacement. HP prints this procedure on printed page 72 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
840735-001- For 15" products. Source: printed page 72.
Preparation
Save your work, shut the computer down through the operating system, unplug AC power and every external device, and work on a grounded, static-safe surface.
Replacement
- Turn the computer off and unplug the power cord. (printed page 72).
- Open the service door and disconnect the reader cable. (printed page 72).
- Undo the reader screws and lift the unit out of the palm rest. (printed page 72).
Part numbers in our catalog
- HP Fingerprint reader board with cable, 14 inch 840664-001 (840664-001)
- HP Bracket kit with fingerprint, WLAN module and smart card rea 840683-001 (840683-001)
- HP Fingerprint reader board with cable, 15 inch 840735-001 (840735-001)
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-640-g2-notebook-pc-fingerprint-reader-replacement-p72