Troubleshooting the Video Subsystem

Problem

Monitor is not working properly.

Action

1Check the system and power connections to the monitor.

2Run the appropriate online diagnostic test. See "Using Dell PowerEdge Diagnostics" on page 97. If the tests run successfully, the problem is not related to video hardware.

If the problem is not resolved, see "Getting Help" on page 107.

Troubleshooting the Keyboard

Problem

System message indicates a problem with the keyboard.

Keyboard is not functioning properly.

Action

1Enter the System Setup program and ensure that the USB ports are enabled. See "Using the System Setup Program" on page 27.

2Examine the keyboard and its cable for signs of damage.

3Swap the faulty keyboard with a working keyboard.

If the problem is resolved, replace the faulty keyboard. See "Getting Help" on page 107.

4Run the appropriate online diagnostic test. See "Using Dell PowerEdge Diagnostics" on page 97. If the problem is not resolved, see "Getting Help" on page 107.

Troubleshooting the Mouse

Problem

System message indicates a problem with the mouse.

Mouse is not functioning properly.

Action

1Run the appropriate online diagnostic test. See "Using Dell PowerEdge Diagnostics" on page 97. If the test fails, continue to the next step.

Troubleshooting Your System

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Dell SC440 owner manual Troubleshooting the Video Subsystem, Troubleshooting the Keyboard, Troubleshooting the Mouse