Users Guide

Did the tests run successfully?
Yes. You have fixed the problem, or the problem is software-related. For information about installing video
drivers, see "Using the Dell OpenManage Server Assistant CD" in the User's Guide.
No. Go to step 6.
6. Turn off the system and disconnect it from the electrical outlet. Swap the monitor with one of the same type that
is working, and reconnect the system to the electrical outlet.
7. Run the Video test group in the Dell Diagnostics again.
Did the tests run successfully?
Yes. The monitor must be replaced. See Getting Help for instructions on obtaining technical assistance.
No. If a video expansion card is installed in the computer, see Troubleshooting Expansion Cards. If no video
expansion card is installed, the built-in video controller is faulty; see Getting Help for instructions on obtaining
technical assistance.
Troubleshooting the Keyboard
This procedure determines what kind of keyboard problem you have. If a system error message indicates a keyboard
problem when you start the computer system or while the Dell Diagnostics is running, complete the following steps:
1. Look at the keyboard and the keyboard cable for any signs of damage. Press and release each key on the
keyboard.
Do the keyboard and its cable appear to be free of physical damage, and do the keys work?
Yes. Go to step 3.
No. Go to step 2.
2. Swap the faulty keyboard with a working keyboard.
To swap a faulty keyboard, unplug the keyboard cable from the computer's back panel and plug in a working
keyboard.
Is the problem resolved?
Yes. The keyboard must be replaced. See Getting Help for instructions on obtaining technical assistance.
No. Go to step 3.
3. Run the Keyboard test group in the Dell Diagnostics.
See Running the Dell Diagnostics.
Can you use the keyboard to select the Keyboard test group?
Yes. Go to step 4.
No. Go to step 5.
4. Did the Keyboard Interactive Test run successfully?
Yes. Go to step 6.
No. Go to step 5.
5. Swap the faulty keyboard with a working keyboard.
6. Did the Keyboard Controller Test run successfully?
Yes. The keyboard must be replaced. See Getting Help for instructions on obtaining technical assistance.
No. The keyboard controller on the system board is faulty. See Getting Help for instructions on obtaining
technical assistance.
Troubleshooting I/O Ports
This section provides a procedure for troubleshooting the ports on the computer's I/O panel and the equipment
connected to them, such as a printer, scanner, or other peripheral device.
You can also use this procedure to test I/O ports on expansion cards. However, you should first complete the procedures
in Troubleshooting Expansion Cards to verify that the card is configured and installed correctly.