Ok, I think this has been talked before but I can't find any good answers. I'm trying to install Windows XP Professional (limited space, otherwise I'd use vista.. boo @ vista. haha) as a boot camp partition. Problem, I didn't fork out the $99 external superdrive. The good news, I did borrow a external DVD drive from my friend. I plug it in, it boots, but it gets a blue screen saying "UNMOUNTABLE_BOOT_DEVICE" or something along that line. Ok, no luck there. I tried using the Parallels method. I created an ISO image, booted from it, installed XP into the Boot Camp Partition through Parallels, but once the transfer's finished, it tries to boot off the Hard Drive and it just hangs. (Total install isn't even completed.) Any help here? I'm stumped.