HP 625 - RTC Battery

RTC battery
The spare part number for the RTC battery is 449137-001.
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
Battery on page 51).
5. Remove the service door (see
Service door on page 52).
6. Remove the hard drive (see
Hard drive on page 54).
7. Remove the optical drive (see
Optical drive on page 63).
8.
Remove the fan (see
Fan on page 65).
9. Remove the palm rest (see
Palm rest on page 70).
10.
Remove the keyboard (see
Keyboard on page 73).
11. Remove the top cover (see
Top cover on page 77).
12. Remove the system board (see
System board on page 96).
Remove the RTC battery:
1. Position the computer right-side up with the front toward you.
102 Chapter 4 Removal and replacement procedures