HP EliteBook 820 G1, HP EliteBook 725 G2, & EliteBook 720 G1 Notebook PCs - Maintenance and Service Guide

2. Detach the RTC battery (2) from the top cover. (The RTC battery is attached to the top cover with
double-sided adhesive.)
3. Remove the RTC battery and cable.
Reverse this procedure to install the RTC battery.
Top cover
Description Spare part number
For use only on computer models equipped with an AMD processor 783215-001
For use only on computer models equipped with an Intel processor 730548-001
Before removing the top cover, follow these steps:
1. Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the service cover (see
Service cover on page 67), and then remove the following components:
a. Battery (see
Battery on page 69)
b. Hard drive (see
Hard drive on page 71)
c. Keyboard (see
Keyboard on page 81)
NOTE: When replacing the top cover, be sure that the following components are removed from the
defective top cover and installed on the replacement top cover:
Remove the top cover:
Component replacement procedures 89