Viotek SUW49DA User Manual page 15

The screen is flashing
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Try an alternative power source. Insufficient power can cause this issue.
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Make sure devices such as non-shielded speakers, fluorescent lighting, AC transformers,
table fans, etc., a safe distance away from your screen to avoid magnetic disturbances.
The color bleeds or visual effects appear unusual.
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If your screen is all red or blue, or any colors disappear, check to see that the cable is
properly inserted. A loose connection can cause a bad signal.
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Try connecting to another video source for comparison.
The screen appears to be scrolling, rolling, or moving unusually.
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Check that your source frequency is within 120Hz.
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Reconnect and ensure your video cable is secure.
The monitor needs cleaning
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Make sure the monitor has been powered off before cleaning.
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Always use soft, non-abrasive cloth when cleaning.
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Use dry, non-abrasive cloth to gently remove debris or dust.
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If necessary, lightly dampen a non-abrasive cloth with water and gently clean the surface.
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Never use alcohol or ammonia-based cleaning solutions.
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Never spray liquid directly onto any part of the monitor.
The indicator light does not work
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Check if the power is on.
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Make sure the power cable is properly connected to the monitor and power source.
Cannot plug and play.
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Check PC requirements to make sure it is compatible with the monitor.
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Check graphics card requirements to make sure it is compatible with the monitor.
Dim image
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Adjust the brightness and contrast ratio.
Image jitter/moire pattern
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Nearby electric equipment may be interfering with the monitor.
Light indicator is on or flashing, but there is no image displayed on screen
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Check if the monitor power is on.
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Check if the graphics card is installed properly.
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Make sure the power cable is properly connected to the monitor and power source.
Image position is not centered/the size is not right
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Please adjust Clock or Auto settings.
Color difference (colors are not optimized)
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Adjust RGB color settings or reset color temperature.
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