Dell Precision T7400 User's Guide - Page 195

If you are installing or replacing a PCI, PCI Express, or PCI-X card, see "Installing an Expansion Card" on page 195. If you are removing but not replacing a PCI, PCI Express, or PCI-X card, see "Removing an Expansion Card" on page 202. Before installing a card, see the documentation that came with the card for information on configuring the card, making internal connections, or otherwise customizing it for your computer. If you are replacing a card, uninstall the existing driver for the card. Installing an Expansion Card 1 Follow the procedures in "Before You Begin" on page 139. CAUTION: Your computer is heavy (it has an approximate minimum weight of 55 lbs) and can be difficult to maneuver. Seek assistance before attempting to lift, move, or tilt it; this computer requires a two-man lift. Always lift correctly to avoid injury; avoid bending over while lifting. See your Product Information Guide for other important safety information. CAUTION: The computer stand should be installed at all times to ensure maximum system stability. Failure to install the stand could result in the computer tipping over, potentially resulting in bodily injury or damage to the computer. 2 Remove the computer cover (see "Removing the Computer Cover" on page 141). 3 Press the tabs on either end of the card retention device and lift to remove it from the computer. Adding and Replacing Parts 195