Linux On My Samsung

Hi
I have problems with my new Samsung N220 Marvel and the Fn keys.

What does work:
Fn+F3 = webcam on/off
Fn+F5 = mute /unmute
Fn+Esc = sleep
Fn+F11 = numpad
Fn+right/left = volume

All other actions don't work with the Fn key.
I have installed samsung-tools and samsung-backlight.
If I start ...