dopefisher said:i had this problem many times. especially, if your hard drive came pre-installed with windows. then it will not work in any other system but the original one. this is what emachines/compaq technical support told me anyway. you would need to get a new copy of windows in that case.
Lunatic said:There is no need for a new copy of XP, like iss said, you have to call microsoft to reactivate of the phone. Only takes few minutes, once you get ahold of someone.