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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?

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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
    
I have this problem with a USB 3.0 Rosewill SATA dock. If I try to plug the drive into a Dynex enclosure, it doesn't work. They're both USB 3.0, and I read something about this when I purchased it. I think it has something to do with it using custom drivers to support 3TB drives; it ends up in a proprietary format that can't be read by other docks. Searching for a solution now; that's how I arrived here. This is just like those worthless DROBOs; same proprietary bullshit. –  Triynko Oct 30 '13 at 4:49

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