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Full Screen Not Working On YouTube in Safari

Whenever i try to go full screen in YouTube on Safari, it always tells me that "Full Screen is unavailable. Learn More." I tried refreshing, and that didn't work. The only way I can go full screen is that I refresh and IMMEDIATELY click fullscreen. However, when I exit out, I can't go full screen again. It shows the same message "Full Screen is unavailable. Learn More." This has been happening ever since I downloaded MacOS Sonoma and installed the update. Any suggestions?

MacBook Air 13″, macOS 14.0

Posted on Oct 5, 2023 10:29 PM

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1 reply

Oct 7, 2023 1:33 PM in response to LightStr1ke

Hello LightStr1ke,


Based on that alert, that suggests that it is a compatibility concern related to YouTube. So what we would recommend is reaching out to YouTube Help and checking on if they have any alerts or support for YouTube's website on Mac. As the website developers, they'll be in the best position to assist.


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Full Screen Not Working On YouTube in Safari

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