Maintenance, Shipping, and Travel 13-5
COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED
Writer: Carey Gregg Saved by: Carey Gregg Saved date: 04/26/00 1:23 PM
Part Number: 170706-002 File name: Ch13.doc
Replacing the Lithium Real-time Clock Battery
When your computer no longer automatically displays the
correct date and time, it may mean the battery providing
power to the real-time clock needs to be replaced. Battery life
is usually about five to ten years under normal use. Contact
your authorized Compaq service provider for a replacement
battery.
To replace the real-time clock (RTC) battery:
WARNING: The real-time clock battery compartment and the
memory compartment are the only user-accessible internal
compartments on the computer. All other areas that require a
tool to access should be opened only by a Compaq authorized
service provider.
1. Turn off the computer.
2. Unplug the AC Adapter and disconnect any external
devices.
3. Turn the computer bottom side up.
4. Remove the RTC battery cover (refer to "Bottom
Components" in Chapter 1).
5. Lift the RTC battery from the compartment, and use
tweezers to gently disconnect the connector.
6. Insert the new RTC battery plug into the keyed connector.
7. Position the RTC battery inside the compartment so that
the wires are underneath the battery disc.
8. Replace the battery cover and turn the computer top side
up.
9. Reconnect the AC Adapter and any external devices.
10. Turn on the computer, then run Computer Setup to
reconfigure the system (refer to Chapter 14, "Configuration
and Diagnostic Utilities").
To dispose of the old RTC battery, consult the Battery Notice
in Appendix B.
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