I have also this problem with Clevo P775DM3. With one (big) difference, neither xbacklight nor nvidia-settings works in my case :(
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1518473 Title: /sys/class/backlight/acpi_video0/brightness is broken To manage notifications about this bug go to: https://bugs.launchpad.net/system76/+bug/1518473/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
