Found a workaround... setpci -s 00:02.0 F4.B=00
I followed some instructions to make it automatically happen now... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/773820 Title: After upgrade, backlight go bye bye -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs