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 840 G11. Confirm the exact model on the service label before starting.
HP EliteBook 840 14 inch G11 Notebook PC RTC battery replacement. HP prints this procedure on printed page 50 of its maintenance and service guide, and the spare-part table for this part is on printed page 50.
tools and parts
- Screwdrivers and a non-marking pry tool as HP lists for this procedure
- Static-safe work surface
N93638-001- RTC battery (CR1620). Source: printed page 50.
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.
- Get the machine ready for taking apart (the Preparation for disassembly section is on page 37). (printed page 39).
- Take the bottom cover off (the Bottom cover section is on page 37). (printed page 39).
replacement
- Take the battery out (the Battery section is on page 48). (printed page 50).
- Detach the battery lead from the main board connector (1). (printed page 51).
- Pull the battery (2) up and off the machine. The battery is secured with adhesive. (printed page 51).
Part numbers in our catalog
- HP RTC battery (CR1620) (N93638-001)
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-840-14-inch-g11-rtc-battery-replacement-p50