Rtc Battery - HP 2710p - Compaq Business Notebook 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
5. Remove the following components:
a. Hard drive compartment cover (see
b. Keyboard (see
c. Rear plastic bezel (see
d. Top cover (see
Remove the RTC battery:
1. Disconnect the RTC battery cable (1) from the system board.
2. Remove the RTC battery (2).
Reverse this procedure to install the RTC battery.
Battery on page 39).
Hard drive on page
Keyboard on page 50)
Rear plastic bezel on page
Top cover on page 54)
Spare part number
454689-001
41)
52)
Component replacement procedures 57