Windows 11 Screen has a line going across it vertically about a cm from the top and cannot raise monitors refresh rate above 60hz without encountering issues men

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s w9

Hello.Black screen appears out of nowhere covering majority of monitor.Given suggestions on previous post but they didn't work.Reset windows.Original black screen is gone.Since then when going to change monitor refresh rate to the highest supported (144hz) I am met with the same black screen with the same small bit of desktop on top as before.(Refresh rates between 60hz and 144hz all vary in the blackness / impact they have on the display for example 74.97hz causes horizontal lines to appear covering the entire screen but will&nb

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