I'd say you have a bad unit.  Try pulling the drive out of it and connecting it direct to a sata bus and see if that works to get a response to the bus.  Either the drive, or the usb converter chip could be dead.

I began to find at one point years ago my chances of buying those cheap external enclosure "backup drives" meant more than likely they would be doa, die soon, or otherwise cause me grief (like causing systems not to post with them connected) indicating some sort of electrical short.  More often than not, usb drives are crap.

What I have found is vendors sell _garbage_ drives as "usb", most have signfiicantly lower warranties (6mo-1yr vs 3-5yr) and mtbf rates.  This means you're usually buying the stuff that doesn't otherwise cut muster for desktop or enterprise use. 

More simply: Expect they will die, and fast.

What I do here is buy a normal desktop drive with a good  warranty, get an enclosure myself, put it together myself, and run them this way.  I rarely lose a disk, much better quality over all.

-mb

On 11/24/2016 12:03 PM, Michael wrote:

I got a problem. This new drive won't format. Linux saw it when I first plugged it in. I then tried copying some files to it which resulted in an error appearing after 5-10 minutes telling me to open windows and run 'chkdsk \f' on the device. Then I plugged it into windows10 and couldn't figure out how to open a terminal so I decided to format it. But it wouldn't format. When I attempt to it flashes twice a second for a little then a long flash then again quickly. So I figured I would attempt the format with Linux but Linux doesn't see the drive now so no formatting with it. Can someone help?

--

:-)~MIKE~(-:

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