I just upgraded from 20.4 LTS today and have the exact same problem.I have an HP Pavilion desktop and an external monitor (unknown video card).
My screen goes blank after the specific interval of no activity, but the monitor does not enter standby mode, so the "blank" screen glows through the night... -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/1973467 Title: [Ubuntu 22.04] [nvidia] [Wayland] Screen Blank: External screen is not turned off in sleep mode To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1973467/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
