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 G7. Confirm the exact model on the service label before starting.
HP ProBook 455 G7 Notebook PC rtc battery replacement. HP prints the spare part table for this procedure on printed page 53.
tools and parts
- Tweezers, a pry tool that neither conducts nor marks and a magnetic Phillips P1 driver
- Static-safe work surface
L02772-001- RTC battery. Source: printed page 53.
preparation
HP prints its tools list and its handling and electrostatic-discharge cautions on printed page 27. Its preparation for disassembly is on printed page 32: power the unit down through the operating system, unplug the power cord and detach every external device before opening it. Work on a grounded, static-safe surface, keep screws grouped by the position they came from, and handle boards and modules by their edges.
- Get the computer ready for disassembly (Preparation for disassembly on page 32). (printed page 33).
- Place the computer in cell Safe mode (Battery Safe mode on page 32). (printed page 33).
- Take out the bottom cover (Bottom cover on page 33). (printed page 34).
- Take off the battery (Battery on page 34). (printed page 35).
replacement
- Lift the screws off the card reader board (printed page 53).
- Detach the RTC battery from carefully the card reader board (1). (printed page 53).
- Raise the battery to disengage it away from the adhesive that holds it to the machine (2). (printed page 53).
- Install the rtc battery by working back through the printed removal steps (printed page 53).
Part numbers in our catalog
- HP RTC (CMOS) battery L02772-001 (L02772-001)
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-g7-rtc-battery-replacement-p53