Rtc Battery - HP EliteBook 8740W Maintenance And Service Manual

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.
4. Remove the battery (see
5. Remove the memory module/wireless module compartment cover (see
on page
Remove the RTC battery:
▲ Remove the RTC battery from the socket on the system board.
Reverse this procedure to install the RTC battery. When installing the RTC battery, make sure the "+"
sign faces up.
60 Chapter 4 Removal and replacement procedures
Battery on page
55).
46).
Spare part number
449137-001
WLAN module
ENWW