This section provides troubleshooting procedures for external devices attached to the system, such as the monitor, keyboard, or mouse. Before you perform
any of the procedures, see "
Troubleshooting External Connections
."
Troubleshooting External Connections
Loose or improperly connected cables are the most likely source of problems for the system, monitor, and other peripherals (such as a printer, keyboard,
mouse, or other external device). Ensure that all external cables are securely attached to the external connectors on your system. See
Figure 2
-1
and
Figure 2
-2
for the front panel and back-panel connectors on your system.
Troubleshooting the Video Subsystem
Problem
l
Monitor is not working properly.
l
Video memory is faulty.
Action
1.
Check the system and power connections to the monitor.
2.
Run the appropriate online diagnostic test. See "
Using Dell Diagnostics
" in "Running System Diagnostics."
If the tests run successfully, the problem is not related to video hardware. See "
Finding Software Solutions
."
If the tests fail, see "
Getting Help
."
Troubleshooting the Keyboard
Problem
l
System message indicates a problem with the keyboard
l
Keyboard is not functioning properly
Action
1.
"Press each key on the keyboard, and examine the keyboard and its cable for signs of damage.
2.
Swap the faulty keyboard with a working keyboard.
If the problem is resolved, replace the faulty keyboard. See "
Getting Help
."
If the problem is not resolved, see "
Getting Help
."
Troubleshooting the Mouse
Problem
l
System message indicates a problem with the mouse.
l
Mouse is not functioning properly.
Action
1.
Run the appropriate online diagnostic test. See "
Using Dell Diagnostics
" in "Running System Diagnostics."
If the test fails, continue to the next step.
Summary of Contents for PowerEdge SC1425
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