Dell PowerEdge 1500SC - Manual (Page 22)

4. Replace the front bezel.
Checking the Equipment
This section provides troubleshooting procedures for equipment that connects directly to the I/O (back) 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
l Monitor
l Monitor interface cable
l Video memory
l Video logic
Action
1. Check the system and power connections to the monitor.
2. Run the video tests in system 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
l A system error message indicates a keyboard problem
Action
1. Look at the keyboard and the keyboard cable for any signs of damage.
2. Press and release each key on the keyboard.
If the keyboard and its cable appear to be free of physical damage, and the keys work, go to step 4.
If the keyboard or its cable are damaged, continue to step 3.
3. Swap the faulty keyboard with a working keyboard.
If the problem is resolved, the keyboard must be replaced. See " Getting Help ," for instructions on obtaining technical assistance.
4. Run the keyboard test in system diagnostics.
If you can use the keyboard to select the keyboard test, go to step 6.
If you cannot use the keyboard to select the keyboard test, continue to step 5.
5. Swap the faulty keyboard with a working keyboard.
6. Did the keyboard test run successfully?
If the problem is resolved, the keyboard must be replaced. If the problem is not resolved, the keyboard controller on the system board is faulty. See
"
Getting Help ," for instructions on obtaining technical assistance.
Troubleshooting the Basic I/O Functions
Problem
l A system error message indicates an I/O port problem
l A device connected to the port does not function properly
Action
1. Enter the System Setup program, and check the Serial Port 1 and Parallel Port settings.
If the communications ports are set to Enabled, go to step 3.
If the communications ports are not set to Enabled, continue to step 2.
2. Change the Serial Port 1, and Parallel Port settings to Enabled; then reboot the system.
3. Check the system setup. See "Using the System Setup Program" in the User's Guide for instructions.