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partition error. couldn't unmount disk

5710 Views 12 Replies Latest reply: Apr 14, 2013 10:02 AM by HeyAng RSS
maverabilisim Calculating status...
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Dec 2, 2012 6:51 AM

I new buy mac mini 2012. I have osx mountain lion.

When I create a partition get error "Partition Error". "Couldn't unmount disk"

 

I haven't OS now. Because I removed its. 

I can't create partition under 500 GB HDD.

And I'cant see Recover HD.

My disk Utility Screen:

 

error1.JPG

When I create partition I get below error pop-up message.

error2.JPG

When I browse for Image I see Recover HD.

error3.JPG

 

finally. "diskutil list" typing in terminal  list disks.

 

error4.jpg

 

Please

Mac mini, OS X Mountain Lion (10.8.2)

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