Hi list, Ciao Andreas, thanks for your advice! Now my keyboard works correctly! I uncommented the amiga keycode in the /etc/X11/Xmodmap file. Now it is ok. But I have another problem, and I don't know how to change screen resolution under X windows! I tried whit ctrl + alt + numericpad + or - but it doesn't work! Can someone help me telling more about this problem!? Thank you for your collaboration, and thanks again, Andreas. Roberto.