Troubleshooting Without Diagnostics
Solving Display Problems (Continued)
Problem | Cause | Solution |
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Blank screen. (continued) | Monitor cable is | If the computer system has both an |
| plugged into the wrong | integrated graphics connector and |
| connector. | an AGP card connector, plug the |
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| monitor cable into the AGP card |
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| connector in the expansion card |
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| area on the back of the computer. |
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| The VGA/BNC | Set the selector switch to agree |
| selector switch is not | with the cable connection. |
| properly set. |
|
Monitor does not function properly when used with energy saver features.
Monitor without energy | Disable monitor energy saver |
saver capabilities is | feature. |
being used with energy |
|
saver features enabled. |
|
Graphics colors are | The cabling or monitor | 1. If you are using BNC cables, |
wrong. | impedance is incorrect. | be sure that the Red, |
|
| Green, and Blue BNC |
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| cables are connected to |
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| the corresponding monitor |
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| connectors. |
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| 2. Be sure your monitor’s RGB |
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| inputs are set to 75 ohms. |
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Dim characters. | The brightness and | Adjust the monitor brightness and |
| contrast controls are | contrast controls. |
| not set properly. |
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| Cables are not properly | Check that the graphics cable is |
| connected. | securely connected to the graphics |
|
| card and the monitor. |
The RGB switch on the back of the monitor is incorrectly set.
Set the RGB switch (and sync options, if this option is available) to 75 ohms, with the sync set to external. See the documentation included with the monitor.
Troubleshooting Guide |
