i face same problem with thinkpad T430U using same work around of Ctrl+alt+ f1 to increase brightness and back with ctrl+alt+f7 the brightness controls are non responsive i am running ubuntu 14.04 LTS. however my kernel is also 3.13.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1291371 Title: thinkpad screen dims after unplugging external display, and won't re- brighten without leaving X To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1291371/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
