Graphic glitch at login

Hello, when logging in I have a graphic glitch, would anyone know why?
Thank you

Hello @Kantilo :wink:

The general reason for glitches is that “tearfree” is not enabled or linux runs that fast, so that the auto-detection does not work properly.

Search for “xorg”, “tearfree”, “tearing” in the forum or on wiki.archlinux.org

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