Dell E521 Personal Computer User Manual


 
6. Replace the computer cover (see Installing the Computer Cover).
7. Reconnect the computer and devices to electrical outlets, and then turn them on.
8. Remove any drivers required for the card as described in the card documentation.
9. If you removed a sound card:
a. Enter system setup (see System Setup), go to Onboard Devices and 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. See Back Panel Connectors.
10. If you removed an add-in network adapter:
a. Enter system setup (see System Setup), go to Onboard Devices and select Integrated NIC, and then change the setting to On.
b. Connect the network cable to the integrated connector on the back panel of the computer. See Back Panel Connectors.
PCI Express Cards
Your computer supports one PCI Express x16 card and one PCI Express x1 card.
l If you are installing or replacing a PCI Express card, follow the procedures in the next section.
l If you are removing, but not replacing a card, see Removing a PCI Express Card.
l If you are installing or replacing a PCI card, see Installing a PCI Card.
When replacing the PCI Express Video Card, be aware that the heat sink on the on the card may be very hot during normal operation. Be sure that the heat
sink has had sufficient time to cool before you touch the card.
Installing a PCI Express Card
1. Follow the procedures in Before You Begin.
2. Remove the computer cover (see Removing the Computer Cover).
3. Gently push the release tab on the card retention door from the inside to pivot the door open. The door is hinged and will remain in the open position
(see Installing a PCI Card for an illustration of the card retention door).
4. If your computer includes a card retention mechanism to secure the x16 card in place from the top:
a. Pivot the mechanism upward and gently squeeze in on the sides to release the mechanism from the two tab slots holding it in place.
b. Set the retention mechanism aside.
5. If you are installing a new card, remove the filler bracket to create a card-slot opening, then continue with step 7.
NOTICE: To connect a network cable, first plug the cable into the network device and then plug it into the computer.
NOTE: If you are replacing a card, remove the current driver for the card from the operating system.
NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your
computer's electronic components. You can do so by touching an unpainted metal surface on the computer chassis.
1
card retention door
2
card retention mechanism
3
release tabs (2)