Rtc Battery - HP zbook 15 G3 Maintenance And Service Manual

NOTE: If the WWAN antenna cables are not connected to the terminals on the WWAN module, protective
sleeves should be installed on the antenna connectors, as shown in the following illustration.
Reverse this procedure to install the WWAN module.

RTC battery

Description
RTC battery (includes cable and double-sided adhesive)
Before removing the RTC battery, 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 bottom cover (see
5. Disconnect the battery (see
Remove the RTC battery:
1. Disconnect the RTC battery cable (1) from the system board.
Bottom cover on page
Battery on page 31).
29).
Component replacement procedures
Spare part number
848234-001
43