Thanks for the bug report. Firstly, you are using the (low quality) open source 'nouveau' graphics driver. It is known to cause such problems so please start by using the 'Additional Drivers' app to install an official Nvidia driver.
After installing the driver and rebooting, if the problem still occurs then please follow the steps in https://wiki.ubuntu.com/Bugs/Responses#Missing_a_crash_report_or_having_a_.crash_attachment ** Package changed: xorg (Ubuntu) => ubuntu ** Changed in: ubuntu Status: New => Incomplete ** Tags added: multimonitor nouveau -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1975445 Title: Crash back to login screen when connecting external monitor in 22.04 LTS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1975445/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
