ok here is the deal i got this computer that works good but i took the hard drive out and deleted everything that it had on it. I got it from a company that was going out of bussiness. so when i deleted everything i put windows xp pro on it and then i connected it back to the A7N8X computer and now it wont boot up not only that it tells me that the primary and secondary controller or somthing like that is not connected when it is please help me what do i do