some times it is how the hard drive is formatted/ partitioned. You will be loosing info on the drive so if you have stuff, don't do it but if you can, reformat it using a PC (ntfs is preffered) and then plug it in to see if it is recognized, the other issue might be the files on the hard drive, MAG may not be able to view the extension of the files properly and thus does not display anything. You should bale to format the drive using the MAG256.
