So this problem occurred after I did a clean install of windows 8 (mine come with Win 7). I can't adjust the brightness, the hot-key/shortcut didn't work, others are working with no problem at all (Airplane mode, backlit, etc). Since this is a clean install, I assume everything should work without any problem.
Any of you have this problem? If yes, how to solve the problem?
uh? that's pretty weird now. please correct me if i'm wrong: the only fn keys that do not work for you are the brightness of screen only, right? while all others, i.e. sleep, keyboard lights, turn off screen, volume controls, etc. work?