105Related linksSafety instructionsBefore working inside your systemInstalling the system boardAfter working inside your systemRemoving a heat sinkRemoving memory modulesRemoving the cooling shroudRemoving a hard drive or SSDRemoving the hard drive or SSD backplaneRemoving the hard drive or SSD cageRemoving the mezzanine cardRemoving the Network Daughter CardReplacing the internal USB keyInstalling the system boardPrerequisitesCAUTION: Many repairs may only be done by a certified service technician. Youshould only perform troubleshooting andsimple repairs as authorized in your product documentation, or as directed by the online or telephone service and supportteam. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safetyinstructionsthatcamewiththeproduct.1. Follow the safety guidelines listed in safety instructions section.2. Keep the Phillips #2 screwdriver and the Hex nut driver-5 mm ready.3. Unpack the new system board assembly.CAUTION: Donotliftthesystemboardbyholdingamemorymodule, processor, orothercomponents.CAUTION: Take care not to damage the system identification button while placing the system board into the chassis.Steps1. Hold the system board by the connector end and orient it toward the front of the chassis.2. Align the USB connectors with the slots on the front wall of the chassis.3. Lower the system board and install the screws to secure the system board to the chassis.
