From your post, I assume that DM doesn't recognize the device?
Plug in to a powered USB port on your computer, not via a HUB. Leave it connected fro an hour or two and then remove the battery for 30 seconds and replace. Does it reboot?
ALso look at the sticky at the top of the Help section,
http://www.blackberryforums.com/blac...ect-my-bb.html