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Pete
Pete, Computer Engineer
Category: Mac
Satisfied Customers: 15752
Experience:  Over 16 years of computer experience, CISCO certified
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I'm on an Imac running Yosemite. Since I have installed this

Customer Question

I'm on an Imac running Yosemite. Since I have installed this OS, my WD backup drive won't mount. I have heard there is no solution to this. That I have to get a new drive. Can this be true?
Submitted: 1 year ago.
Category: Mac
Expert:  Pete replied 1 year ago.

Hi there,

If the WD drive was connected to the iMac during the upgrade then it may have gotten corrupted.

Try connecting it to a Mac running an older version of OS X, or another Mac running OS Yosemite, and let me know if any of them recognize it. If it is not recognized by a Mac running an older version of OS X, then it is likely that it has been damaged.