thats it? just one go at booting it? and you give up? :O im shocked!!!

after you press enter at boot what happens just a blank screen? no picture of a penguin? no error messages? what it your hardware setup? try booting knoppix with the cheatcodes

knoppix26

this uses a differnt kernel the kernel is very important and can make a big differnce when booting. if you are sure about getting the english version dont worrie about knoppix lang=us so much. press f2 and f3 for more options at boot