Dell Precision T7400 User's Guide - Page 271

NOTICE: To connect a network cable, first plug the cable in to the network port or device and then plug it in to the computer. 14 Connect your computer and devices to their electrical outlets, and turn them on. See the documentation that came with the drive for instructions on installing any software required for drive operation. 15 Enter system setup (see "System Setup" on page 75) and select the appropriate Drive option. 16 Verify that your computer works correctly by running the Dell Diagnostics (see "Dell Diagnostics" on page 123). System Board CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover. 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. NOTICE: The system board and metal tray are connected and are removed as one piece. Removing the System Board 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. Adding and Replacing Parts 271