I have an external WD MyBook 500 GB drive connected to my Dell desktop via USB 2. I've been using it as a backup for my pictures. Yesterday I noticed SyncToy reported some CRC errors and sure enough I couldn't open those files. I ran chkdsk and it added 541 clusters to the bad clusters file. It corrected errors and shows a total of 2164 KB in bad sectors. Obviously some files were lost and I've now copied everything off the drive back to my Desktop. 

My questions are, should I replace the drive? It is only about 1 1/2 years old and I only paid about $90 for it at Costco. Or should I reformat it or just leave it the way chkdsk left it? I'm seriously thinking of replacing it with 2 external drives keeping duplicate backups.

Thanks for any suggestions.

Joe Trimarchi

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