Kernel issue, see this bug: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/740893
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/773471 Title: No brightness on LCD monitor (Acer Aspire 5732Z) -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs