7. If you are removing the card permanently, install a filler bracket in the empty card-slot opening.
8. Before you close the card retention mechanism, ensure that:
l The tops of all cards and filler brackets are flush with the alignment bar.
l The notch in the top of the card or filler bracket fits around the alignment guide.
9. Secure any remaining card(s) by closing the card retention latch and snapping it into place.
10. Replace the computer cover (see Replacing the Computer Cover).
11. Uninstall the card's driver. See the documentation that came with the card for instructions.
12. If you removed a sound card:
a. Enter system setup, select Integrated Audio from the Onboard Devices group, and change the setting to On (see System Setup).
b. Connect external audio devices to the audio connectors on the back panel of the computer.
13. If you removed a network-adapter card:
a. Enter system setup, select Integrated NIC from the Onboard Devices group, and change the setting to On (see System Setup).
b. Connect the network cable to the integrated network connector on the back panel of the computer.
Installing a PCI Express Card in the Riser-Card Cage
1. Follow the procedures in Before You Begin.
2. If applicable, remove the card installed in the PCI3 connector on the system board (see Removing a PCI Card).
3. Remove the riser-card cage:
a. Check any cables connected to cards through the back-panel openings. Disconnect any cables that will not reach the riser-card cage once they
are removed from the computer.
b. Rotate the riser-card cage up and gently pull on the handle and lift the riser-card cage up and away from the computer.
