I had the very same issue with my T510 and adding the line Option "RegistryDwords" "EnableBrightnessControl=1"
within the 'Section "Device"' solved the problem for me. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1001337 Title: Display brightness is not adjustable To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers/+bug/1001337/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
