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 rtc battery replacement. HP prints this procedure on printed page 77 of its maintenance and service guide.
tools and parts
- Flat-bladed drivers, Phillips P0 and P1 drivers and Torx T8 drivers
- Static-safe work surface
- No spare part number for this component was found in the cached manual
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 system board upside-down. (printed page 77).
- Use a tool to pry battery out of the socket (1). (printed page 77).
- Lift the battery off the system board (2). (printed page 78).
- Put the rtc battery back by repeating the printed removal moves in the opposite order (printed page 78).
Manufacturer manual
HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-probook-455-g4-rtc-battery-replacement