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18
Section 13: Troubleshooting
13.1 – General Problems
The screen is blank
• Press the power button to turn the monitor on.
• Conrm the brightness and contrast settings are set normally.
• Check if the indicator light is ashing. If so, there is no signal from your video source.
• If your source is a notebook or laptop, make sure it’s powered on and set to mirror or
extension mode.
The image is out of focus
• Make sure the video cable is inserted properly at both ends.
The screen is flashing
• Try an alternative power source. Insufcient power can cause this issue.
• Make sure devices such as non-shielded speakers, uorescent lighting, AC transformers,
table fans etc. are a safe distance away from your screen to avoid magnetic disturbances.
The color bleeds or visual effects appear unusual.
• 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.
• Try connecting to another video source for comparison.
The screen appears to be scrolling, rolling, or moving unusually.
• Check that your source frequency is within 55-76Hz.
• Reconnect and ensure your video cable is secure.
The monitor needs cleaning
• Make sure the monitor has been powered off before cleaning.
• Always use soft, non-abrasive cloth when cleaning.
• Use dry, non-abrasive cloth to gently remove debris or dust.
• If necessary, lightly dampen a non-abrasive cloth with water and gently clean the surface.
• Never use alcohol or ammonia-based cleaning solutions.
• Never spray liquid directly onto any part of the monitor.
The indicator light does not work
• Check if the power is on.
• Make sure the power cable is properly connected to the monitor and power source.
Cannot plug and play.
• Check PC requirements to make sure it is compatible with the monitor.
• Check graphics card requirements to make sure it is compatible with the monitor.
Dim image
• Adjust the brightness and contrast ratio.
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