
I bought an upgraded My Passport to save a few bucks. I already had an external drive of the same model that I bought new and I really liked it so I figured I wouldn't be wrong if I bought another one. For some reason the updated drive doesn't back up all my files like my old one did. I reformatted both drives and added the same backup software and I still have the same problem. my old drive backs up all files but my new refurbished drive does not. I don't know if unsaved files are business critical or not, but I hate finding out the hard way.

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