NVRAM backup batteryReplacing the NVRAM backup batteryPrerequisitesWARNING: There is a danger of a new battery exploding if it is incorrectly installed. Replace thebattery only with the same or equivalent type recommended by the manufacturer. Discard usedbatteries according to the manufacturer's instructions. See the safety instructions that came withyour system for additional information.CAUTION: Many repairs may only be done by a certified service technician. You should onlyperform troubleshooting and simple repairs as authorized in your product documentation, or asdirected by the online or telephone service and support team. Damage due to servicing that isnot authorized by Dell is not covered by your warranty. Read and follow the safety instructionsthat came with the product.1. Ensure that you read the Safety instructions.2. Follow the procedure listed in Before working inside your system.3. Remove the following:a. hard drives/SSDsb. cooling shroudc. hard-drive/SSD backplaned. hard-drive/SSD cagee. PCIe mezzanine cardf. NDCg. IDSDM/rSPI cardh. system boardSteps1. Locate the system battery on the system.2. To remove the battery, press down firmly on the positive side of the connector and lift the batteryout of the securing tabs at the negative side of the connector.3. To install a new system battery:a. Support the battery connector by pressing down firmly on the positive side of the connector.b. Hold the battery with the "+" facing up and slide it under the securing tabs at the positive side ofthe connector.4. Press the battery straight down into the connector until it snaps into place.94
