Owners Manual

Related References
Safety instructions on page 46
Related tasks
Before working inside your system on page 47
After working inside your system on page 47
System battery
The system battery is used to power the real-time clock and storing the system’s BIOS settings.
Replacing system battery
Prerequisites
1. Follow the safety guidelines listed in the Safety instruction section.
2. Follow the procedure listed in the Before working inside your system section.
3. Remove the cooling shroud.
NOTE: There is a danger of a new battery exploding if it is incorrectly installed. Replace the battery only with the same
or equivalent type recommended by the manufacturer. For more information, see the safety information that shipped
with your system.
CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and
simple repairs as authorized in your product documentation, or as directed by the online or telephone service and
support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow
the safety instructions that are shipped with your product.
Steps
1. Locate the battery socket. For more information, see the System Board Connectors section.
CAUTION:
To avoid damage to the battery connector, you must firmly support the connector while installing or
removing a battery.
2. Place your finger between the securing tabs at the negative side of the battery connector and lift the battery out of the socket.
Figure 51. Removing system battery
a. Positive side of the battery connector
b. System battery
c. Negative side of the battery connector
3. To install a new system battery, hold the battery with the "+" facing up and slide it under the securing tabs.
4. Press the battery into the connector until it snaps into place.
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Installing and removing system components