I have a 3TB SATA drive which I've been using in an external USB enclosure. Today I upgraded the enclosure in order to take advantage of USB 3.0 speeds. However, in this enclosure I am unable to access the drive, and when I go to Control Panel > Administrative Tools > Computer Management, the disk shows as unitialized.

If I switch the drive back to the original enclosure then I am able to access it as before, without any problems.

Is this a common problem for which there is an easy solution, or should I assume my new enclosure is faulty and return it?

  • Try another enclosure of the same or (preferably) different make entirely. – Karan May 22 '13 at 0:19
  • This sounds like a hardware problem with the enclosur itself. Have you verified it works wih 3TB drives? – Ramhound May 22 '13 at 12:11

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