Previous 1 2 Next 15 Replies Latest reply: Sep 24, 2014 5:54 AM by Ernst Mulder
tuckshoprn Level 1 (0 points)

My mac mini is set up with two sata disks installed, one is a 128 ssd and the other a 1tb hdd.  Since installing mountain lion, the hdd keeps ejecting itself, and i get a message saying - this hard disk was not properly ejected. then i wont find the disk in finder, or disk utility!.  I then have to remove the hdd from the mac mini and plug it into a usb caddy, which finds it no problem, and then when i put it back in the mac mini, it works again!! so the disk is not faulty i dont think.  It then works for a period as random as a few hours, to a few weeks and then i will randomly get the "this disk was not ejected properly" message and it has again dissapeared.  I use the mac mini as a media centre and it isnt really being pushed hard when the failure happens.


Anyone have any ideas as to whats wrong?

Mac mini, OS X Mountain Lion (10.8.2), 128GB SSD, 1TB HDD, 4GB Ram
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