Rtc Battery - HP PAVILION DV3 Maintenance And Service Manual

RTC battery

NOTE: Removing the RTC battery and leaving it uninstalled for 5 or more minutes causes all
passwords and CMOS settings to be cleared.
Description
RTC battery (includes double-sided tape)
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
Remove the RTC battery:
1. Turn the computer upside down, and remove the WLAN module cover (see
on page
2. Disconnect the RTC battery cable (1) from the system board.
3. Remove the RTC battery (2).
NOTE:
Reverse this procedure to install the RTC battery.
Battery on page
33).
The RTC battery is attached to the system board with double-sided tape.
32).
Component replacement procedures
Spare part number
486835-001
WLAN module
57