Why doesn't a USB drive I have previously used with AirPort extreme appear in the finder when used locally with my Mac?

Why doesn't a USB drive I have previously used with AirPort extreme appear in the finder when used locally with my Mac?

I tried to plug it into my mac to transfer files locally but will not be displayed in the finder or disk utility. Anyone know why?

MacBook Pro (2015 retina) OS X 10.11.2 El Capitan

Have you shut down / turning your Mac off... power off the USB drive... Connect the drive to the Mac... start up the Mac... then, turn on the USB drive?

If no help, there are a number of posts to the thread in the forum El Capitan of support from users who have problems on their Mac USB.  You can post there to see if anyone has the answers.

OS X El Capitan

Tags: Wireless

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