Owners Manual

Related tasks
Installing the cooling shroud on page 91
Installing a sled on page 89
System battery
The system battery is used to power the real-time clock and storing the BIOS settings of the system.
Replacing the system battery
Prerequisites
WARNING: 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. See your safety information for additional
information.
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.
1. Follow the safety guidelines listed in the Safety instructions section.
2. Turn off the system, including any attached peripherals.
3. Disconnect the system from the electrical outlet and peripherals.
4. Remove the system board assembly.
5. Remove the cooling shroud.
6. Remove the expansion card assembly.
Steps
1. Push the battery latch and lift the battery out of the connector.
CAUTION:
To avoid damage to the battery connector, you must firmly support the connector while installing
or removing a battery.
2. Hold the new battery with the "+" facing the positive side of battery connector.
3. Insert the battery into the battery holder until it is seated in place.
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Installing and removing system components