Still have the same problem on my Ubuntu 22.04. The monitor backlight isn't off after lock or after 5 minutes with Screen Blank power saving options selcted. I didn't install gnome-shell-extension-dash-to-dock as #7 said.
And their is anoter bug report on this issue: https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1998716 This is not a big deal but really annoying. TT -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1975557 Title: blank screen does not turn off display backlight To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1975557/+subscriptions -- desktop-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
