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 EliteBook 820 G4. Confirm the exact model on the service label before starting.
HP EliteBook 820 G4 Notebook PC rtc battery replacement. HP prints this procedure on printed page 65 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
- System board, includes Intel i7-7600U - HP prints no single spare part number for this option, so no part number is published (printed page 61).
- System board, includes Intel i7-7500U - HP prints no single spare part number for this option, so no part number is published (printed page 61).
- System board, includes Intel i5-7300U - HP prints no single spare part number for this option, so no part number is published (printed page 61).
- System board, includes Intel i5-7200U - HP prints no single spare part number for this option, so no part number is published (printed page 61).
- System board, includes Intel i3-7100U - HP prints no single spare part number for this option, so no part number is published (printed page 61).
702853-001- RTC battery. Source: printed page 65.
Preparation
Save your work and shut the computer down through the operating system, unplug AC power and every external device, and work on a clean, grounded, ESD-protected surface while sorting each screw by its original location. Handle every cable by its connector and put each one back in its own place during reassembly.
Replacement
- Take out the RTC battery lead from the system board (1). (printed page 65).
- Raise the battery up to disengage it from the main board (2). (printed page 65).
- Fit the replacement part by working back through the printed removal steps (printed page 65).
Part numbers in our catalog
- HP RTC battery (702853-001)
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-elitebook-820-g4-rtc-battery-replacement-p65