Rtc Battery - HP Pavilion dm4 Maintenance And Service Manual

RTC battery

Description
RTC battery (includes cable)
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
6. Remove the hard drive (see
Remove the RTC battery:
1. Disconnect the RTC battery cable (1) from the system board.
2. Slide the RTC battery (2) out of the cavity in the hard drive bay.
3. Remove the RTC battery.
Reverse this procedure to install the RTC battery.
Battery on page
38).
Hard drive on page
37).
46).
Component replacement procedures
Spare part number
619451-001
WLAN module
49