im guessing this happens after the chameleon stage, after you swap the discs and press enter, right?
try again, this time after you swap the disc, but before you press enter, type '-v' (without the ' ' of course).
then press enter.
itll show you a black screen with text running down.
when it stops writing new text, that is where the problem lays.
take a pic with a camera of the text, and upload it to here so we can see where it is getting stuck