I have the same issue on a lenovo W510 and I can confirm that comment #5 works for my laptop
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/773710 Title: [Lenovo T420s] Brightness keys make the indicator work, but don't actually dim or brighten the screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/773710/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
