I am very new to this, so please excuse what may be some obvious questions. I downloaded the data recovery software Knoppix 5.1.1 and burned to CD (at 48x - the only option that appeared). When boot from the Toshiba begins, error message appears:
Can't find KNOPPIX filesystem, sorry.
Dropping you to a (very limited) shell.

I tried the four options from tips/tricks including the testcd. It always give me the same message. The Toshiba is running Vista. I have searched the forum for similar issues and I am trying to recover any data possible from the hard drive before I reformat and send it back to Toshiba...it is still under factory warranty.

Any help you can provide would be appreciated!