Danato, so it is known which kernel version brought the fix, could you please test http://kernel.ubuntu.com/~kernel- ppa/mainline/v3.13-rc1-trusty/ and advise to the results?
** Tags added: trusty -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1250051 Title: [Lenovo G780] Backlight switched off at login screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1250051/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
