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Section 11: Troubleshooting
11.1 – 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 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.
Connected smartphone/tablet using USB-C but images do not show.
• Make sure your connected device is compatible with DP ALT MODE.
• Make sure the USB Type-C cable is compatible with DP ALT MODE and can
transmit video/data signals. Not all USB-C cables can do this. (Replace the
USB-C cable if it does not support video signals.)
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