Dell GX280DT User Guide - Page 102

1. Follow the procedures in "Before You Begin." 2. Gently push the release tab on the card retention latch from the inside to pivot the latch open. The latch will remain in the open position. 3. If necessary, disconnect any cables connected to the card. 4. Grasp the card by its top corners, and ease it out of its connector. 5. If you are removing the card permanently, install a filler bracket in the empty card-slot opening. If you need a filler bracket, contact Dell. NOTE: Installing filler brackets over empty card-slot openings is necessary to maintain FCC certification of the computer. The brackets also keep dust and dirt out of your computer. 6. Close the card retention latch by snapping it into place. NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer. 7. Replace the computer cover, reconnect the computer and devices to electrical outlets, and turn them on. 8. Uninstall the card's driver. 9. If you removed a sound card: a. Enter system setup, select Audio Controller, and change the setting to On. b. Connect external audio devices to the audio connectors on the computer back panel. 10. If you removed an add-in network connector: a. Enter system setup, select Network Controller, and change the setting to On. b. Connect the network cable to the integrated connector on the computer back panel. PCI Express Cards Your computer supports one PCI Express x16 card and one PCI Express x1 card. 1 PCI Express x16 card 3 PCI Express x1 card slot 2 PCI Express x1 card 4 PCI Express x16 card slot If you are installing or replacing a PCI Express card, follow the procedures in the next section. If you are removing but not replacing a card, see "Removing a PCI Express Card." If you are replacing a card, uninstall the driver for the old card. If you are installing or replacing a PCI card, see "Installing a PCI Card." Installing a PCI Express Card 1. Follow the procedures in "Before You Begin." 2. Gently push the release tab on the card retention latch from the inside to pivot the latch open. The latch will remain in the open position. 3. Remove the card retention mechanism: a. Place your thumb on the top of the card retention mechanism and grip the bottom of the retention mechanism with your fingers.