IF you havent already snag the latest drivers for it from herE:
http://www.veo.com/Advanced_Connect/drivers.asp
Do you have any other devices that use USB so you can confirm the USB ports you have are working? Also are there any seria/parralell connectors (they look like an oversived video card connector) you may wanna try going that route too.
Also just in case, check out the knowledge base:
http://www.veo.com/Advanced_Connect/kb_tshoot.asp
(if you have already been through here ignore me) Hope this is of some type of help.