Rtc Battery - HP G72-251 Maintenance And Service Manual

Removal and replacement procedures

RTC battery

Description
RTC battery
Before removing the RTC battery:
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 disconnecting the power cord from the AC outlet and then
disconnecting the AC adapter from the computer.
4. Remove the battery (see
5. Remove the hard drive (see
6. Remove the memory module (see
7. Remove the wireless module (see
8. Remove the optical drive (see
9. Remove the keyboard (see
10. Remove the top cover (see
11. Remove the display assembly (see
12. Remove the sytem board (see
Remove the RTC battery:
1. Use a sharp, non-conductive tool to release the clip 1 that secures the battery to the system board.
2. Lift the battery 2 out of the computer.
Reverse this procedure to install the RTC battery.
4–46
"Battery" on page 4-7).
"Hard drive" on page
"Memory module" on page
"Wireless module" on page
"Optical drive" on page
"Keyboard" on page 4-18).
"Top cover" on page
"Display assembly" on page
"System board" on page
4-8).
4-11).
4-13).
4-16).
4-23).
4-28).
4-44).
Spare part number
602745-001
Maintenance and Service Guide