Steps1. Align the PCIe card holder with the notches and tabs on the power supply unit cage.2. Press the release tab and slide the PCIe card holder toward the front of the chassis until firmly seated.Figure 45. Installing the PCIe card holder1. PCIe card holder 2. release tabNext steps1. If applicable, replace the full-length PCIe card.2. Follow the procedure listed in the After working inside your system section.Related LinksSafety instructionsBefore working inside your systemInstalling an expansion card into the expansion card riser 2 or 3After working inside your systemOpening and closing the PCIe card holder latchPrerequisites1. Follow the safety guidelines listed in Safety instructions section.2. Follow the procedure listed in the Before working inside your system section.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 are shipped with your product.Steps1. To open the PCIe card holder latch, press the release tab.2. To close the PCIe card holder latch, rotate the latch clockwise until it locks.NOTE: Before installing a full-length PCIe card, the PCIe card holder latch must be closed.When the full-length PCIe card is installed, open the PCIe card holder latch. Before removingthe full-length PCIe card, you must close the PCIe card holder latch.120