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.
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.