Dell PowerEdge 650 - Manual (Page 36)

If a video expansion card is not installed, go to step 3 .
If a video expansion card is installed, remove the video card. See " Removing an Expansion Card " in "Installing System Components." If the problem
persists, go to step 3 .
3. Run the video tests in the 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 ."
Troubleshooting the Keyboard
Problem
l System message indicates a problem with the keyboard.
l Keyboard cable.
Action
1. Press each key on the keyboard, and look at the keyboard and its cable for any signs of damage.
If the keyboard appears to be free of physical damage, go to step 3 .
If the keyboard is damaged, continue to step 2 .
2. Swap the faulty keyboard with a working keyboard.
If the problem is resolved, you must replace the faulty keyboard. See " Getting Help ."
3. Run the keyboard test in the system diagnostics. See " Running the System Diagnostics ."
If the test fails, see " Getting Help ."
Troubleshooting the Mouse
Problem
l System message indicates a problem with the mouse.
l Mouse cable.
Action
1. Click each button on the mouse, and look at the mouse and its cable for any signs of damage.
If the mouse appears to be free of physical damage, go to step 3 .
If the mouse is damaged, continue to step 2 .
2. Swap the faulty mouse with a working mouse.