Add this section to your sysprep.inf [sysPrep] BuildMassStorageSection=Yes Sysprep then prepopulates the necessary driver information so that Windows can load the correct drivers when the operating system boots on a computer that uses one of the predefined mass-storage controllers. This should avoid some of the blue screens that happen after a reboot. This is the first step I might give you. The next is maybe break up laptops and desktops. Seem to be a large difference in its hardware. Two images is better than 10 to begin with. Cheers Creany