I am using Ubuntu 12.04, and I forgot my root password. I know this shouldn't be a problem, since all you have to do is go into Recovery Mode and change the password.
Somehow, every time I go into the grub, the keyboard suddenly stops working, so I can't select Recovery Mode. I tried the arrow keys, enter, tab, e, everything, but it just boots into Ubuntu after 10 seconds. An answer would be greatly appreciated.