After hunting for solutions for hours, I have given up and installed bumblebee. Suggested troubleshooting steps have a higher chance of being attempted if instruction is given on how to switch X to reroute through the nouveau driver (a way to toggle between bumblebee and nouveau).
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xserver-xorg-video-nouveau in Ubuntu. https://bugs.launchpad.net/bugs/1472897 Title: cannot adjust brightness E6530 15.04 fresh install Status in xserver-xorg-video-nouveau package in Ubuntu: New Bug description: Press Fn + up/down arrow. Expected to happen: brightness goes up or down; notification in top right of brightness going up or down. Actually happened: brightness stays unaffected; notification does appear and respond correctly, but lies. Cannot adjust brightness using function key combo. Shows the notification as if I am adjusting it, but screen stays on max brightness. Brightness & Lock app doesn't adjust brightness either. When I switch to proprietary drivers, brightness adjustment does work. When I turn off the nvidia card and use the intel card, brightness adjustment works. But with the intel card only I don't have hdmi port support, so no triple monitor support. And with the proprietary drivers, I get horrible, horrible bugs, including one that made it impossible to get into my system until I modified bios settings related to the video card. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/1472897/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

