3. riser 1 blankNext steps1. Install the expansion card risers.2. Follow the procedure listed in the After working inside your system section.Related LinksSafety instructionsBefore working inside your systemRemoving expansion card risersInstalling expansion card risersAfter working inside your systemRemoving expansion card risersPrerequisitesCAUTION: 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.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. If installed, remove any expansion card installed on risers 2 and 3.NOTE: The expansion card riser 1 can be used only when both the processors are installed.Steps1. Holding the slots on the expansion card riser, lift the riser from the riser connector on the systemboard.2. To remove expansion card risers 2 and 3, hold the edges of the expansion card riser, and lift the riserfrom the riser connector on the system board.NOTE: To ensure proper system cooling, the riser 1 blank must be installed in the riser 1 slot.Remove the riser 1 blank only if you are installing riser 1.137
