Right i have my acer aspire 1, Im trying to install w7 onto it via a External USB dvdrw. i had set that to be first in the boot menu, it gets to where it would boot from cd, and then hangs for a bit then fails. and boots from the hdd to the Aspire OS. is it o/b what im doing wrong? i have done this before on a firends Aspire 1 and worked flawlwss