Video problems
The system is running but there is no display
Probable Cause |
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The monitor is not turned | Make sure the monitor is plugged in and turned | ||
on. |
| on. If power is applied to the monitor, the green | |
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| power LED should illuminate. |
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The monitor’s data cable | Make sure the monitor’s data cable is | ||
is not connected. |
| connected to the video controller on the back | |
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| of the system. |
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The connector or cable is | Check the connector and cable for bent or | ||
damaged. |
| damaged pins. | |
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The monitor is defective. | Connect a working monitor to the computer. | ||
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The monitor’s brightness | Adjust the brightness and contrast knobs to the | ||
and contrast controls are | center position. | ||
turned down. |
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The video card is not | Open the system and reseat the video card. | ||
seated correctly. |
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The video card is not | Make sure the card is compatible with your | ||
compatible with the | system. Try a different PCI video card. | ||
system. |
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Important |
| Some systems may have a | |
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| may not be a video adapter to remove and replace. | |
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The text on the display is dim or difficult to read
Probable Cause | Solution |
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The monitor’s brightness | Adjust the brightness and contrast knobs until |
and contrast controls are | the text becomes clear. |
turned down. |
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Sunlight is glaring off the | Position the monitor away from the sun or |
display. | window. |
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The CRT may be old. | Replace the monitor. |
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Video problems | 83 |