Question : Problem: Cyclical Redundancy test on new hard drive

I have a computer running XP home edition (Brand new XP CD).   I had to replace the hard drive because tests said it was failing.  So I put in a brand new 160 Gb EIDE drive.   I loaded XP on it, all other applications that were needed, ran windows updates.  When I put it back on the users desk, it would start up and nothing would come on screen, no hard drive activity, nothing.  I found out the CPU needed to be reseated.  This happened a couple of times, where I needed to reseat the cpu.  Well I got the computer to start up but then it would get to just before the XP welcome screen and hang.   So I tried running a repair with the Windows CD.   Now half way through I am getting an error with a cyclical redundancy check,   Any idea why this is happening?  DO I need to wipe out the drive and re-install everything?   Does this have anything to do with the CPU needing to be reseatesd?

Answer : Problem: Cyclical Redundancy test on new hard drive

Cyclic redundancy checks usually come from CD's. Try another CD drive, change the data cable. Also, why do you have to reseat the CPU so often? have you checked for a mechanical failure with the CPU holding mechanism and the heatsink brackets? Also make sure the surface of the heatsink and the CPU is cleaned, then apply a very small drop of fresh thermal transfer paste. And really make sure the fittings are all good, and that the heatsink is fitted tightly.