MacOS Ventura: YouTube or Video shifting 90 degrees on external monitor with multiple setups

I have a 3 monitor setup, One main (38inc monitor), and two extended vertical (90degrees) displays.


When I watch a video on the main display, like Youtube but not limited to Youtube, the video automatically shifts to 90 degrees unless I move my mouse. If stop moving the mouse, the video shifts 90 degrees.


This only happens to the video, not the main page or any website.


I upgraded to MacOS Ventura, and previous versions ran fine with this setup. I am using a M1Max Macbook pro.


Has anybody come across this bug? How can I fix this as it is very annoying!


Posted on Nov 5, 2022 11:37 PM

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MacOS Ventura: YouTube or Video shifting 90 degrees on external monitor with multiple setups

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