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"couldn't unmount disk" when resizing partition

Tex-Twil

Tex-Twil

macrumors 68030
Original poster
May 28, 2008
2,501
15
Berlin
Hi,
my partition takes only half of the size of the disk and I want to resize to take the full space. I booted to the Recovery Mode but when I resize the partition, I get the error.

Partition issue, couldn't unmount disk (error)
Click to expand...

Any idea?

cheers
 

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