Rtc Battery - HP COMPAQ 6715S Maintenance And Service Manual

Remove the memory module (2) by pulling the module away from the socket at an angle.
2.
NOTE:
memory module socket.
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:
Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
1.
computer on, and then shut it down through the operating system.
Disconnect all external devices connected to the computer.
2.
Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
3.
then unplugging the AC adapter from the computer.
Remove the battery (see
4.
Remove the memory/WLAN module compartment cover (see
5.
on page
Release the keyboard (see
6.
Remove the RTC battery:
Memory modules are designed with a notch (3) to prevent incorrect installation into the
Battery on page
49).
Keyboard on page
41).
Expansion memory module
56).
Component replacement procedures
Spare part number
449137-001
59