Dell Dimension 3000 - Manual (Page 13)

Ensure that the card is fully seated and that its bracket is within the card slot.
4. Secure the card bracket with the screw you removed in step 2 .
5. Connect any cables that should be attached to the card.
For information about the card's cable connections, see the documentation for the card.
6. If you installed a sound card:
a. Enter system setup , select Audio Controller, and then change the setting to Off.
b. Connect external audio devices to the sound card's connectors. Do not connect external audio devices to the microphone, speaker/headphone,
or line-in connectors on the back panel.
7. If you installed an add-in network adapter and want to disable the integrated network adapter:
a. Enter system setup, select Network Controller, and then change the setting to Off.
b. Connect the network cable to the add-in network adapter's connectors. Do not connect the network cable to the integrated connector on the
back panel.
8. Install any drivers required for the card as described in the card documentation.
Removing a PCI Card
1. Follow the procedures in Before You Begin .
2. If necessary, disconnect any cables connected to the card.
3. Remove the securing screw from the card bracket.
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.
NOTICE: Do not route card cables over or behind the cards. Cables routed over the cards can cause damage to the equipment.