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alexxedge Level 1 (0 points)

I bought a new Western Digital MyBook 2TB external harddrive today. I've recently updated to Mountain Lion and for some reason the external won't let me access it to start backing up data. I've tried to format it and I get an error that reads "One of the volumes on the device is busy and cannot be dismounted." I've run disk utility to verify the disk and "the volume MyBook appears to be ok". Is anyone else having this problem? I have another External hard drive that is the exact same that I had purchased last year, before updated to Lion, and it still works just fine even after updating to Mountain Lion. I can't even tell if the WD Smartware is up to date, because when I try to install the newest Smartware that is on the hard drive is runs....but never finishes. I always have to force quit the installer because it never does anything. I've let it sit for about a half hour with no change.


Sorry if this issue has already been posted. I've seen other discussions of people having problems with their WD hard drives not mounting or being recognized at all by their machine, but I feel this is a little different.

iMac (24-inch Early 2009), OS X Mountain Lion, Western Digital 2tb MyBook exteranl
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