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×InformationNeed Windows 11 help?Check documents and videos on compatibility, FAQs, upgrade information and available fixes.Windows 11 Support Center.
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×InformationNeed Windows 11 help?Check documents and videos on compatibility, FAQs, upgrade information and available fixes.Windows 11 Support Center.
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It could be any and all of the following issues:
1) cable fault
2) video chip fault
3) Screen fault
To check 1), you would have to use a different video cable.
To check 2) and 3), you would have to connect a different screen -- after confirming the cable was not the issue. If the issue appears on the new screen, it is a video chip fault; if not, it is a screen fault -- and you would have to replace the monitor.
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