This can be resolved by disabling VT-D in the BIOS too as I just found out. http://www.nvnews.net/vbulletin/showpost.php?p=2259741&postcount=46
-- Can not change LCD brightness on Lenovo Y450 laptop https://bugs.launchpad.net/bugs/540112 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
