TROUBLESHOOTING
Before sending your LCD monitor for servicing, please check the trouble- shooting list below to see if you can
(VGA Mode)
Problems | Current Status | Remedy | ||
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| LED ON | · Using OSD, adjust brightness and contrast | ||
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| to maximum or reset to their default | |
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| settings. | |
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| LED OFF | · | Check the power switch. | |
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No Picture |
| · Check if AC power cord is properly | ||
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| connected to the monitor. | ||
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| LED displays | · Check if video signal cable is properly | ||
| amber color |
| connected at the back of monitor. | |
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| · Check if the power of computer system is | ||
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| ON. | |
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| Unstable | · Check if the specification of graphics | ||
| Picture |
| adapter and monitor is in compliance | |
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| which may be causing the input signal | |
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| frequency mismatch. | |
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| Display is | · | Using OSD, adjust RESOLUTION, CLOCK, | |
| missing, center |
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Abnormal | shift, or too |
| POSITION with | |
small or too |
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Picture | · | Using OSD, in case of missing | ||
large in display | ||||
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| image, please select other resolution or | ||
| size |
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| other vertical refresh timing. | ||
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| · Wait for a few seconds after adjusting the | ||
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| size of the image before changing or | |
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| disconnecting the signal cable or powering | |
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| OFF the monitor. | |
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Abnormal | No sound, or | · Check the audio cable with the host PC is | ||
Sound | sound level is |
| connected. | |
(Only Audio- | too low |
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· Check if the volume setup of the host PC is | ||||
Input model) |
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(Optional) |
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| in minimum position and try to raise the | |
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| volume level. | |
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