On some laptops there are two settings that dim the display so you need to disable both. Please try:
Settings > Power > Automatic Screen Brightness = OFF Settings > Power > Dim Screen = OFF ** Package changed: xorg (Ubuntu) => gnome-control-center (Ubuntu) ** Changed in: gnome-control-center (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1969816 Title: Display dimming despite setting being turned off To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1969816/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs