update kernel from 3.16.0-25 to 3.19.0-031900rc4-lowlatency, the brightness issue is not fixed.
** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed ** Tags added: kernel-bug-exists-upstream -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1381625 Title: Adjust brightness to lowest value caused screen whole black To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/1381625/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs