Description of problem: Trying to change brightness on text console or from graphical login manager does not work for me on Lenovo ThinkPad T510, I have to log into some graphical environment so that it's powermanagement takes over those keys. Also switching from graphics to text puts backlight on max and I cannot decrease it. Another one which doesn't work is the video output switch. At the same time, other function keys work as expected - e.g. suspend or LED. Version-Release number of selected component (if applicable): kernel-3.7.4-204.fc18.x86_64 How reproducible: always Additional info: I've tried to use the "acpi_osi=Linux" trick I've googled in Ubuntu forums but it does not help.
*** This bug has been marked as a duplicate of bug 903136 ***