I recently had an OLD computer but it had been upgraded to windows xp.A friend of mine gave me a much faster (2.66ghz 512 ram) computer with no hard drive. Upon attempting to put my old hard drive in the new computer i found that windows will not start on the new computer or any other computer EXCEPT the one it came out of. It relays an error message A problem has been detected and windows has shut down to prevent damage to your computer. Then it instructs me to check for viruses or run scan disk etc. which cannot be done because i cant get to windows. If anyone knows how to make it start i would appreciate it!