Hi,
>They don't have identical software....
That was the reason I suggested swapping drives.
>... or optical drives.
Remotely possible, but unlikely that this would affect modem speed.
>Even if they were identical, I should think that Windows XP would start demanding reactivation.
Then no point considering ghosting since the same would apply.
If you're reduced to solving this by looking at the screen then this utility might help:
http://www.sisoftware.net/index.html?dir=&location=downandbuy&langx=en&a=Regards,
Viv