MacBook Pro :: External Hard Driver Is Not Working

Dec 11, 2014

Few days ago I used my Buffalo external HD and it was working fine. Today I plugged it in and it didn't show up on my desktop as before. It's running tho cause I could see the light from it and can hear it been reading but the MacBook is not showing it on the desktop and it has a lot of my important stuff.

I'm using MacBook Pro OS X Yosemite.

Info:
MacBook Pro

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