hi well i am trying to install bt3 en my 500 gb usb hd, i ve tried with both usb edition and cd edition of bt3 both booting from cd/dvd and from usb (md checked before..) the followed this guide:
The instalation finished ok but when i restart to boot from the usb hd i always get the next error:

Im using a Maxtor oneTouch 4 500 gb usb hd
This is my computer:
hxxp://h10025.www1.hp.com/ewfrf/wc/document?docname=c00605008&lc=es&cc=mx&dlc=es&prod uct=1840781&lang=es

Thank you for the help and i apologize for my english wich is not really good...