F:\ is not accessible the semaphore interval have timed out please back!?

I am trying to access a usb external hd. The hd did not nouns properly on the computer it came from so i put it within this case and very soon that message comes up when i try to access it in my computer

F:\ is not accessible the semaphore interval have timed out please back!?

Google the semaphore timeout term has expired.

There are heaps instances of this happening.

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