Related LinksSafety instructionsBefore working inside your systemRemoving the cooling shroudRemoving the expansion card riserRemoving memory modulesRemoving the optional iDRAC port cardRemoving a cooling fanReplacing the optional internal USB memory keyRemoving an internal SD cardRemoving the optional internal dual SD moduleRemoving the integrated storage controller cardRemoving a heat sinkRemoving a processorAfter working inside your systemInstalling the system boardPrerequisitesCAUTION: 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 are shipped with your product.CAUTION: Do not lift the system board by holding a memory module, processor, or othercomponents.CAUTION: Take care not to damage the system identification button while placing the systemboard into the chassis.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. Keep the Phillips #2 screwdriver ready.4. Unpack the new system board assembly.Steps1. Hold the system board by its edges and the system board t-handle, and angle it toward the back ofthe chassis.2. Lower the system board into the chassis till the connectors at the back of the system board alignwith the slots on the rear wall of the chassis, and the screw holes on the system board align with thestandoffs on the chassis.3. Tighten the nine screws that secure the system board to the chassis.186
