Rtc Battery - HP ZBook 17 Service Manual

3. Remove the WWAN module (3) by pulling the module away from the slot at an angle.
Reverse this procedure to install the WWAN module.

RTC battery

Description
RTC battery
Before removing the RTC battery, follow these steps:
1.
Shut down 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 all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet
and then unplugging the AC adapter from the computer.
Spare part number
734300-001
Component replacement procedures
55