uhh...can you post any more information; for example, posting any error messages that are displayed when it hangs;
Or, when using a knoppix disk, post your /etc/lilo.conf file...
[reading
http://www.catb.org/~esr/faqs/smart-questions.html and following the directions in there will help you receive more inquiries from others to help you....because you were so ambigious, not too many readers on here were interested enough to post a reply]
i was once a newb too,
keyshawn ^_^