11Close the system. See "Closing the System" on page 83.
12Reconnect the system to its electrical outlet, and turn on the system and attached peripherals.
If the problem persists, see "Getting Help" on page 167.
Troubleshooting Expansion Cards
NOTE: When troubleshooting an expansion card, see the documentation for your operating system and the expansion card.
WARNING: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. Before you begin this procedure, review the safety instructions that came with the system.
1Run the appropriate online diagnostic test. See "Using Dell™ Diagnostics" on page 163.
2If installed, remove the optional front bezel. See "Removing and Replacing the Optional Front Bezel" on page 81.
3Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
4Open the system. See "Opening the System" on page 82.
5Ensure that each expansion card is firmly seated in its connector. See "Installing an Expansion Card" on page 97.
6Close the system. See "Closing the System" on page 83.
7Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
8Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
9Open the system. See "Opening the System" on page 82.
10Remove all expansion cards installed in the system. See "Removing an Expansion Card" on page 99.
11Close the system. See "Closing the System" on page 83.
12Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
