This worked for me (Intel card): sudo gedit /usr/share/X11/xorg.conf.d/20-intel.conf
Add: Section "Device" Identifier "card0" Driver "intel" Option "Backlight" "intel_backlight" BusID "PCI:0:2:0" EndSection Source: http://news.softpedia.com/news/Ubuntu-14-04-and-Ubuntu-13-10-Still-Plagued-by-Brightness-Settings-Bug-Solution-420733.shtml -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/1298578 Title: Brightness is low after resume from suspend, can't be increased To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1298578/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
