500 GB Seagate Barracuda drive that I had my XP OS on, have been using it for about a year. I replaced it with my Win 7 upgrade. I put it in my external HD kit to transfer some files. The 1st time I tried to access it, Windows Explorer opened it up, I clicked on a directory to open it and a message came up that said I did not have access to this file, click continue to open the file, which I did (I'm working in my new Win 7 OS). I clicked continue and the error message came up that I needed to format the drive. When I cancelled out of that another message came up that told me the volume does not contain a recognized file system. Please make sure that all required file system drivers are loaded and that the volume is not corrupted.
In my searching around this forum I ran across the repair procedure recommended by Mr. Litten. I made the Parted Magic bootable CD and ran that program following Mr. Litten's instructions. Everything went fine until after the analyses. It did not locate a partition.This old country boy is stumped at this point. Any help or other suggestions would be appreciated.Thanks.