Dell Precision 690 - Manual (Page 36)

10. Reconnect the data cable to each installed hard drive.
11. Reconnect the hard drive power cable to each installed hard drive.
12. Ensure that all connectors are properly cabled and firmly seated.
13. Press the card retention device back into its original position; push it down until it clicks into place.
14. Replace the computer cover (see Replacing the Computer Cover ), reconnect the computer and devices to electrical outlets, and then turn them on.
15. Uninstall the driver for the removed card. See the documentation that came with the card.
16. If you removed a sound card:
a. Enter system setup, select Integrated Audio, and then change the setting to On.
b. Connect external audio devices to the audio connectors on the back panel of the computer.
17. If you removed a network adapter card:
a. Enter system setup, select Integrated NIC, and then change the setting to On.
b. Connect the network cable to the network connector on the back panel of the computer.
1 release tab
2 card retainer
1 card retention device
2 tab
NOTICE: To connect a network cable, first plug the cable into the network device and then plug the cable into the computer.