Yes,indeed severedsolo.,i agree.
I forgot to mention,that if things were so messed up,(since people paid us €€ & $$ to do the job):
we completely removed all old drivers, unplugged all printers and installed EVERYTHING from the bottom up.
If it were under XP,Vista or 7,there are many ways to do the job,but 1 thing is 100% sure..you have to start all over again or else i would not give you any warranty,for there have been maid mistakes..we're humans, all of us.
And computers are made by our hands so don't expect them to be flawless...they're not..
Anyways good luck....with all the good tips here i am sure,that you will succeed..