Joseph, <https://wiki.ubuntu.com/SystemSettings#phone-reset> specifies a "Reset All System Settings" function that hasn't been implemented yet. But even if it had been, you couldn't navigate to it if the screen was blank.
This is an example of bug 1371703, that we have no fallback process when a bug prevents people from installing the update that fixes the bug. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1436538 Title: brigtness slider should not allow total darkness To manage notifications about this bug go to: https://bugs.launchpad.net/canonical-devices-system-image/+bug/1436538/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs