Dell XPS 720 Black Owner's Manual - Page 105

1 2 3 1 graphics card bridge (not 2 present on some dual graphics card configurations) power connectors (2) 3 dual-PCI Express graphics cards NOTICE: To connect a network cable, first plug the cable into the network port or device and then plug the cable into the computer. 12 If present, lower the card retention device that lays over the installed cards and snap it into place. 13 Replace the computer cover (see "Replacing the Computer Cover" on page 159), reconnect the computer and devices to electrical outlets, and then turn them on. Network Adapter and Sound Card Settings If you installed a sound card: 1 Enter system setup (see "Entering System Setup" on page 166), select Integrated Audio Controller, and then change the setting to Off. 2 Connect external audio devices to the sound card connectors. Do not connect external audio devices to the microphone, speaker/headphone, or line-in connectors on the back panel. If you removed a sound card: 1 Enter system setup (see "Entering System Setup" on page 166), select Integrated Audio Controller, and then change the setting to On. 2 Connect external audio devices to the audio connectors on the back panel of the computer. Removing and Installing Parts 105