Follow this general procedure to install an expansion card:
1.Prepare the expansion card for installation, and remove the computer cover according to the instructions in “Removing the Computer Cover” in Chapter 7.
See the documentation that came with the expansion card for information on configuring the card, making internal connections, or otherwise customizing it for your system.
CAUTION: Some network cards automatically start up the system when they are connected. To guard against electrical shock, be sure to unplug your computer from its electrical outlet before installing any expansion cards.
2.Unscrew and remove the metal filler bracket that covers the
filler bracket
support.dell.com | Installing System Board Options |