hi,when i went into setup utility i went to "boot"..in there it gave me 7 options...1, ideo..2,cd/dvd:hl-dt...3,network boot...4,usb hdd..5,usb fdd....6,usb key...7usb cd/dvd rom....i tried 2 and 7..what i did was highlite option 2 and hit f10 key to save and exit...when do i put the backup disc into the drive...thanks