Replacing the System Cover

1. Check that no tools or parts are left inside the system.
2. Fit the cover over the sides of the chassis, and slide the cover forward.
3. Secure the cover with the three thumbscrews.
4. Close the front bezel.
Checking the Equipment
This section provides troubleshooting procedures for equipment that connects directly to the I/O panel of the system, such as the monitor, keyboard, or mouse. Before
you perform any of the procedures, see "External Connections."

Troubleshooting the Video Subsystem

Problem
lMonitor
lMonitor interface cable
lVideo memory
lVideo logic
Action
1. Check the system and power connections to the monitor.
2. Run the video tests in the Dell Diagnostics.
If the tests run successfully, the problem is not related to video hardware. Go to "Finding Software Solutions."
If the tests did not run successfully see "Getting Help" for instructions on obtaining technical assistance.

Troubleshooting the Keyboard

Problem
lA system error message indicates a keyboard problem
Action
1. Look at the keyboard and the keyboard cable for any signs of damage.