Troubleshooting External Connections; Troubleshooting The Video Subsystem; Troubleshooting The Keyboard; Troubleshooting The Mouse - Dell PowerEdge SC1425 Installation And Troubleshooting Manual

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

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 2-2 for the front panel and back-panel connectors on your system.

Troubleshooting the Video Subsystem

Problem
Monitor is not working properly.
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Video memory is faulty.
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Action
1. Check the system and power connections to the monitor.
2. Run the appropriate online diagnostic test. See
If the tests run successfully, the problem is not related to video hardware. See
If the tests fail, see "Getting

Troubleshooting the Keyboard

Problem
System message indicates a problem with the keyboard
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Keyboard is not functioning properly
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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
If the problem is not resolved, see

Troubleshooting the Mouse

Problem
System message indicates a problem with the mouse.
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Mouse is not functioning properly.
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Action
1. Run the appropriate online diagnostic test. See
If the test fails, continue to the next step.
Connections."
"Using Dell Diagnostics" in "Running System Diagnostics."
Help."
"Getting
"Getting Help."
"Using Dell Diagnostics" in "Running System Diagnostics."
"Finding Software Solutions."
Help."
and
Figure 2-1