Touchpad & keyboard

Hello!
I'm using a MacBook White (late 2006).
One moment my keyboard and touchpad are not working in the OS. Even external mice and keyboards are not working.
But I know, that they are alright, because when I tried Ubuntu Live CD, everything worked fine. I just cannot use the touchpad and the keyboard in my OS. I havent done anything lately, just watched a few movies and thats it. Even didn't use the Internet. Anyone can help me? The apple support in my country su...

Thank you!

 

Thank you for your quick reply.
Exactly the same problem.
Only, Ive lost my Leopard disc. So I have just a white piece on sh*t.

 

I know the problem.
http://www.iclarified.com/entry/comments.php?enid=2493#commentsanchor