Multi Monitor login flickering

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Thanks, same issue same fix for vertical 1440p and 4K Main Screen.

Login Screen != Lock Screen. What tripped me up was their similar stock theme.

Trying To Understand Why Initial Login Screen Different From Login After Sleep

Hello and welcome, This may be true but is not necessarily - the lockscreen could be independent. But anyways yes, this is more or less the case. For example by default on Plasma .. You would first be greeted, after cold boot, with the display manager plasma-login-manager (or sddm if it is an older install and you have not swapped it out). Then, after sleep or lock, you would be interacting with the lockscreen kscreenlocker. No, because they are different softwares performing different …