Ok heres the story,guy called me up said hes power supply went out and computer lost power, he replaced the psu,but it wont boot. Now i have it here tried repairing xp with the cd didnt work tried to install over the old one didnt work.I didnt want to format unless needed.Now i have copied everything off the drive by putting it in my pc and copying it to mine. i got a first allocation unit is bad error when it ran scandisk on hte drive at boot if htat means anything to anyone. Noe even after a fdisk and makina anew partition and formating i can install xp boot when it gesto boot i got the boot screen then it goes black and does nothing but blow air around. I have run many of the ibm diag test on the drive and am running more now, but im not sure whats up whether the drives dead of what it works in my machine but xp wont boot any help would be great.