Thank you for your bug report, what desktop environment do you use? What keybinding is listed for "lock screen" in the system settings keybindings section?
ctrl-alt-L works here ** Package changed: lightdm (Ubuntu) => gnome-settings-daemon (Ubuntu) ** Changed in: gnome-settings-daemon (Ubuntu) Importance: Undecided => Low ** Changed in: gnome-settings-daemon (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-settings-daemon in Ubuntu. https://bugs.launchpad.net/bugs/1167408 Title: Lock screen does not work To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-settings-daemon/+bug/1167408/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs