i installed a new hd in my laptop,that was setup for xp pro. but i put xp home on it.didnt think it would matter. i cant get it to do anything.it says i need to register it, but that xp home came with my desktop.i cant activate it.what do i have to do to get this thing working? i thought i installed a driver to get me on the internet, but it wont.i guess i bit off more than i can chew!!!!! any info would be nice... thx,confused!!!