It got even worse. I now cannot login anymore. If you try to click on the login button it jumps from the right to the left screen. If I use the keyboard to type the password and press enter it doesn’t login but show the same login screen again.
I will probably delete the installation today and switch to Ubuntu. Quite unfortunate since for the time it ...
I have more clues, this issue is happening when extended screen mode is in use, if you press Win+P or Cmd+P it changes to use external monitor only and everything starts to work fine, also in duplicated screen mode or only integrated screen mode. Only when extended screen mode is activated buttons of mouse are not responding.
I noticed that there is a glitch that sometimes happens when setting up mirror displays. The pixel doubling option gets enabled when it shouldn't.
I cannot guarantee the following solutions work! If you get stuck you might need to look up some way to configure display options in the Terminal or TTY. Maybe someone can add instructions as another solution or ...
xrandr --output LVDS-1 -off
While this isn't ideal, it can be made semi-permanent by going to
System Settings>Applications>Startup and adding the appropriate string to activate on system start.
I use this solution to prevent my second monitor from starting until I need it. I feel like the underlying problem has something to do with xorg, gtk, or something ...
I had the same issue, having two displays, one of them clockwise rotated / vertical. I noted a heavy annoying tearing on the rotated display while almost no tearing on the other.
I usually use chrome, chrome beta or chromium.
If you are using one of them go to:
or directly to:
set Enable ...