Table
Blurry video or requested resolution cannot be set.
Cause | Solution | |
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If the graphics controller was upgraded, the correct graphics | Install the video drivers included in the upgrade kit. | |
drivers may not be loaded. |
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Monitor is not capable of displaying requested resolution. | Change requested resolution. | |
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Graphics card is bad. | Replace the graphics card. | |
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The picture is broken up, rolls, jitters, or flashes. |
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Cause | Solution | |
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The monitor connections may be incomplete or the monitor | 1. Be sure the monitor cable is securely connected to the | |
may be incorrectly adjusted. |
| computer. |
| 2. | In a |
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| proximity, be sure the monitors are not interfering with |
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| each other’s electromagnetic field by moving them apart. |
| 3. | Fluorescent lights or fans may be too close to the monitor. |
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| |
Monitor needs to be degaussed. | Degauss the monitor. Refer to the documentation that came | |
| with the monitor for instructions. | |
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Image is not centered. |
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Cause | Solution | |
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Position may need adjustment. | Press the Menu button to access the OSD menu. Select | |
| ImageControl/ Horizontal Position or Vertical Position to | |
| adjust the horizontal or vertical position of the image. | |
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“No Connection, Check Signal Cable” displays on screen.
Cause | Solution |
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Monitor video cable is disconnected.
Connect the video cable between the monitor and computer.
CAUTION: Ensure that the computer power is off while connecting the video cable.
“Out of Range” displays on screen.
Cause | Solution |
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Video resolution and refresh rate are set higher than what the monitor supports.
Restart the computer and enter Safe Mode. Change the settings to a supported setting then restart the computer so that the new settings take effect.
130 Appendix D Troubleshooting Without Diagnostics | ENWW |