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When I try to use full screen mode on any program, be it sites under Firefox, games with Lutris/wine or VLC, the screen starts to flicker and switches between full-screen mode and a smaller resolution of the screen in the top left corner of my monitor.

Would be grateful for any ideas that could help me tackle this major problem.

I am using a 4K monitor and have fractional scaling enabled as an experimental feature. This seems to cause the problem, but I can't go without it since at 100% scaling everything is just too tiny to read and 200% doesn't look very good, so I keep everything at 150%.

Also this problem only started recently after I updated one of my Lutris games. I didn't have this problem before.

medipurp
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1 Answers1

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I'm using the same distribution (19.10) with 4k display scaled by factor 2 and i didn't face such issue for all applications, but any browser which is based on Chromium (Chrome, Opera, Chromium itself etc.) behaves exactly as you describe, even on Youtube with full-screen mode.

As a workaround i'm running google-chrome --force-device-scale-factor=1 with default page zoom at 200% for all websites (Chrome -> Settings -> Page Zoom).

P.S.
Advise you to check Gnome Extensions if you have, since i faced somehow similar weird bugs with applications scale in case of hidden Gnome top bar or left sidebar.

uptoyou
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