Playing movies should prevent the screen from blanking. If it doesn't then please log a bug against the video player you are using. If you are using Wayland sessions then it is mutter bug 1740771.
-- 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/1827751 Title: Shield screen is displayed after blanking even when lock screen disabled To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-shell/+bug/1827751/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs