On Sun, Apr 29, 2012 at 1:15 PM, Javier <javierlago95@...> wrote: > Hello, > > Sorry for my bad english. I have a question trinity: How can I use the > keys to change volume and brightness? In gnome they work fine and in > kde 4 too. The keys are Fn+Up-Down-Left-Right. Open up kmix, go to Settings and choose "Global Shortcuts" You can set the master channel volume controls there. -Leonard