System batteryThe system battery is used for low-level system functions like powering the real-time clock and storing the computer’s BIOS settings.Replacing the system batteryPrerequisitesWARNING: There is a danger of a new battery exploding if it is incorrectly installed. Replace the battery only with the same orequivalent type recommended by the manufacturer. For more information, see the safety information that shipped with yoursystem.CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simplerepairs 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 instructionsthat are shipped with your product.1 Follow the safety guidelines listed in the Safety instructions section.2 Follow the procedure listed in the Before working inside your system section.3 Remove the cooling shroud.Steps1 Locate the battery socket. For more information, see the Jumpers and connectors section.CAUTION: To avoid damage to the battery connector, you must firmly support the connector while installing or removing abattery.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 86. Removing the system battery1 system battery 2 system battery slot3 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.154 Installing and removing system components
