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Compaq Deskpro 1000 Series of Personal Computers 5-23
5.18 Replacement Battery
The real-time clock battery that came with the computer can be replaced with a Compaq battery or
a comparable 12 microamp alkaline, 3.0 volt battery.
✎
It is important to store your CMOS settings before you install a new battery. To
safeguard these settings, write them down, make a print screen of each CMOS
setup page, or use a third-party CMOS rescue software to store the settings in a file
on a write-protected diskette.
1. Perform preparation procedures (Section 5.4).
2. Remove the system unit cover (Section 5.5).
!
WARNING:
The system board contains a clock/CMOS lithium battery. The lithium battery may explode if
mistreated. Use only replacement batteries supplied by Compaq Computer Corporation
3. Press down on the retainer latch 1 and slide the battery out of the holder.
4. Insert new battery into holder.
5. Replace the system unit cover.
6. Plug in the computer and any peripheral devices.
!
WARNING:
This equipment is designed for connection to a grounded (earthed) outlet. The grounding type
plug is an important safety feature. To avoid risk of electrical shock or damage to the equipment, do not
disable this feature.
7. Turn on the computer.
8. When you see the prompt “Press DEL to enter Setup,” press the
Delete
key to run the CMOS
Setup Utility to reset the date and time and automatically reconfigure your system.
Figure 5-19.
Replacing the Battery