certainly there are several things you might try, like what does
Code:
fdisk -l
say? that is l=L not i or 1 (one) and there are several others that have had "similar" problems, just search. below you have a few useful links, there are more. and keep asking here, i will help as much as i can.
http://www.knoppix.net/wiki/Rescue_FAQ
http://www.shockfamily.net/cedric/knoppix/
http://www.greenfly.org/talks/knoppi...e-oscon05.html
http://www.knoppix.net/forum/viewtopic.php?t=17805