Rtc Battery - HP 6710b - Compaq Business Notebook Maintenance And Service Manual

2. Remove the memory module (2) by pulling the module away from the slot at an angle.
NOTE:
memory module slot.
Reverse this procedure to install the internal memory module.

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
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/WLAN module compartment cover (see
on page
6. Release the keyboard (see
Remove the RTC battery:
Memory modules are designed with a notch (3) to prevent incorrect installation into the
Battery on page
56).
Keyboard on page
48).
Expansion memory module
64).
Component replacement procedures
Spare part number
449137-001
67