It seems that as of now, the only option is to deactivate the nvidia driver (temporarily via switching to console mode). This bug is known to NVIDIA for one year now at the very least, as can be seen in
http://www.nvnews.net/vbulletin/showthread.php?t=100494 Yesterday there was a post of someone who succeded in changing the brightness under X via a hardware hack: http://www.nvnews.net/vbulletin/showpost.php?p=1815030&postcount=133 -- backlight brighness control does not work (Samsung Q45 with Nvidia GForce 8400M) https://bugs.launchpad.net/bugs/146710 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
