Im helping my friend reformat his system. Windows boots fine, there is no problem. Games/programs/internet surfing are working flawless. The problem is that when we put the Windows XP SP2 disk in the computer and boot from it, it states that there are no hard drives detected. The disk works fine in my system, his drives are seen in my system(both OS and Windows Setup). We have reseated the cords in his system. I cannot understand why the OS sees the drives but Windows Setup cannot.