Dell Dimension PY349 Owner's Manual page 80

12 Close the card retention door by snapping it into place to secure the cards.
13 Connect any cables that should be attached to the card.
See the documentation for the card for information about the card's cable connections.
14 Replace the computer cover, reconnect the computer and devices to electrical outlets, and then turn
them on.
15 If you installed a sound card:
Enter system setup (see "System Setup" on page 111), go to Onboard Devices and select
a
Integrated Audio, and then change the setting to Off.
Connect external audio devices to the sound card's connectors. Do not connect external audio
b
devices to the microphone, speaker/headphone, or line-in connectors on the back panel. See "Back
Panel Connectors" on page 14.
16 If you installed an add-in network adapter and want to disable the integrated network adapter:
Enter system setup (see "System Setup" on page 111), go to Onboard Devices and select
a
Integrated NIC, and then change the setting to Off.
Connect the network cable to the add-in network adapter's connectors. Do not connect the
b
network cable to the integrated connector on the back panel. See "Back Panel Connectors" on
page 14.
17 Install any drivers required for the card as described in the card documentation.
Removing a PCI Express Card
1 Follow the procedures in "Before You Begin" on page 61.
2 Gently push the release tab on the card retention door from the inside to pivot the door open. Because
the door is captive, it will remain in the open position (see "Installing a PCI Card" on page 71 for an
illustration of the card retention door).
3 If your computer includes a card retention mechanism, to secure the x16 card in place from the top:
Pivot the mechanism upward and gently squeeze in on the sides to release the mechanism from
a
the two tab slots holding it in place.
Set the retention mechanism aside in a secure location.
b
4 If necessary, disconnect any cables connected to the card. Gently pull the securing tab, grasp the card
by its top corners, and then ease it out of its connectors.
5 If you are removing the card permanently, install a filler bracket in the empty card-slot opening.
NOTE:
Installing filler brackets over empty card-slot openings is necessary to maintain FCC certification of the
computer. The brackets also keep dust and dirt out of your computer.
6 Reseat the card retention mechanism in the tabs and pivot downward to snap it into place.
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Removing and Installing Parts