Dell Precision 490 - Manual (Page 40)

8. Rotate the card retention door until it snaps into place.
9. Connect any cables that should be attached to the card.
See the documentation for the card for information about the card's cable connections.
10. Ensure that all connectors are properly cabled and firmly seated.
11. Rotate the hard-drive carrier back into place (see Rotating the Hard-Drive Carrier Back into the Computer ).
12. Replace the computer cover (see Replacing the Computer Cover ), reconnect the computer and devices to electrical outlets, and then turn them on.
13. Uninstall the driver for the removed card. See the documentation that came with the card for special instructions.
14. If you removed a sound card:
a. Enter the system setup program (see 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.
15. If you removed a network adapter card:
a. Enter the system setup program (see 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.
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1 card retention door
2 release tab
NOTICE: Do not route card cables over or behind the cards. Cables routed over the cards can prevent the computer cover from closing properly or
cause damage to the equipment.
NOTICE: To connect a network cable, first plug the cable into the network device and then plug the cable into the computer.