10. Before you lower the card retention mechanism, ensure that:
lThe tops of all cards and filler brackets are flush with the alignment bar.
lThe notch in the top of the card or filler bracket fits around the alignment guide.
11. Secure the card(s) by closing the card retention latch and snapping it into place.
12. Connect any cables that should be attached to the card.
See the documentation for the card for information about the card's cable connections.
13. Replace the computer cover (see Replacing the Computer Cover), reconnect the computer and devices to electrical outlets, and then turn them on.
14. If you installed a sound card:
a. Enter system setup, select System Configuration® Miscellaneous Devices, and change the Audio setting to Disabled (see Entering System
Setup).
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 of the computer.
15. If you installed a network adapter card and want to turn off the integrated network adapter:
a. Enter system setup, select System Configuration® Integrated NIC, and change the setting to Disabled (see Entering System Setup).
b. Connect the network cable to the network adapter card's connectors. Do not connect the network cable to the integrated network connector on
the back panel of the computer.
16. Install any drivers required for the card as described in the card documentation.

Removing a PCI or PCI Express Card

1. Follow the procedures in Working on Your Computer.
2. Remove the computer cover (see Removing the Computer Cover).
3. 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.
1
card fully seated
2
card not fully seated
3
bracket within slot
4
bracket caught outside of slot
CAUTION: 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.
CAUTION: If you disable the integrated network adapter, you will not have Active Management Technology (AMT) functionality.
CAUTION: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.