same problem for me on lenovo G550 laptop. https://bugs.launchpad.net/ubuntu/+source/udev/+bug/530238
-- LCD brightness cannot be adjusted on HP ProBook 4510s https://bugs.launchpad.net/bugs/574788 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs