14
Troubleshooting
Before sending your LCD monitor for servicing, please check the troubleshooting list below to see if you can
VGA mode
Problem | LED status | Remedy |
No picture visible | Blue | Using the OSD, adjust brightness and |
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| contrast to maximum or reset to their |
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| default settings. |
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| Off | Check the power switch. |
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| Check if the power cord is properly |
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| connected to the monitor. |
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| Amber | Check if the video signal cable is |
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| properly connected at the back of |
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| monitor. |
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| Check if the computer system is |
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| switched on and in power saving/ |
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| standby mode. |
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Unstable picture |
| Check if the specification of graphics |
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| 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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Abnormal picture | Image is missing, | Using the OSD, adjust focus, clock, H- |
| position and | |
| large or too | standard signals. |
| small on the |
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| screen. | Check the display setting on your |
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| system. In case of a missing image, |
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| please select another resolution or |
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| vertical refresh rate. |
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| Wait for a few seconds after adjusting |
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| the size of the image before changing |
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| or disconnecting the signal cable or |
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| switching off the monitor. |
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