Troubleshooting The Video Subsystem; Troubleshooting The Keyboard; Troubleshooting The Mouse - Dell PowerEdge 1750 Installation And Troubleshooting Manual

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
panel connectors on your system; see

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. Determine whether the system has monitors attached to both the front and rear video connectors.
The system supports only one monitor attached to either the front or rear video connector. When a monitor is connected to the front panel, the back-
panel video and PS/2 keyboard and mouse connectors are disabled.
If two monitors are attached to the system, disconnect one monitor. If the problem is not resolved, continue to the next step.
3. Check the system and power connections to the monitor.
4. 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. Ensure that the keyboard is properly connected to the system.
2. Run the appropriate online diagnostic test. See
If the test fails, continue to the next step.
3. Press each key on the keyboard, and examine the keyboard, cable, and cable connector for signs of damage, including bent pins.
If the keyboard is not damaged, go to step 5.
If the keyboard is damaged, continue to the next step.
4. Swap the faulty keyboard with a working keyboard.
If the problem is resolved, replace the faulty keyboard. See
5. Run the keyboard test in the system diagnostics. See
If the test fails, see "Getting

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.
2. Examine the mouse and its cable for signs of damage.
If the mouse is not damaged, go to step 4.
If the mouse is damaged, continue to the next step.
3. Swap the faulty mouse with a working mouse.
If the problem is resolved, replace the faulty mouse. See
Figure 2-2 for the front-panel connectors.
"Using Server Administrator
Help."
"Using Server Administrator
"Getting
"Running the System
Help."
"Using Server Administrator
"Getting
Diagnostics" in "Running System Diagnostics."
"Finding Software Solutions."
Diagnostics" in "Running System Diagnostics."
Help."
Diagnostics."
Diagnostics" in "Running System Diagnostics."
Help."
Figure 2-4 for the back-