Samsung SSD weirdness in Win7

Jim is 100% correct.  The 840 Pros have a 5 year warranty.  You do have a backup, yes?

And note that the Samsung SSD Magician software has just been recently updated.  It is a much more robust program now so be sure you have the latest version.

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Birk Binnard
www.birkbinnard.com/photography;