I have recently had to change my OS hard drive as it was giving warnings of problems (Windows 7 Ultimate 64bit). So i went to buy a new drive... unplugged the old drive, installed the new no hassles. Then i plugged in the old drive to copy some data over to the new drive. It would only boot from the old drive? (when trying to boot from the new one i got an error saying bootdrv is missing). So booted up from old drive copied the files across with no hassles and unplugged the old drive. The new drive doesn't see the files. So plug the old drive back in and boot from it and it sees the files on the new drive? what do i have to do to get the files to be recognised by the new drive? Any help would be great. I have also checked that the files are NOT corrupted