Rtc Battery - HP Presario CQ45-700 Maintenance And Service Manual

RTC battery

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 module/wireless module compartment cover (see
on page
6. Remove the hard drive compartment cover (see
To remove the RTC battery:
▲ Insert a screwdriver or similar small tool between the battery and the clip that secures it (1), pry
the battery up to disengage it from the socket, and then remove the battery (2).
Reverse this procedure to install the RTC battery.
Battery on page
46).
38).
Hard drive on page
Component replacement procedures
Spare part number
449137-001
WLAN module
50).
53