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 rtc battery replacement. HP prints this procedure on printed page 68 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
651948-001- RTC battery. Source: printed page 68.
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
- Power down and unplug the computer before opening the service door. (printed page 68).
- Disconnect the coin cell plug from the system board. (printed page 68).
- Lift the coin cell out of its holder. (printed page 68).
Part numbers in our catalog
- HP RTC battery with cable and adhesive 651948-001 (651948-001)
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-rtc-battery-replacement-p68