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irishgrizzly

macrumors 65816
Original poster
May 15, 2006
1,461
2
I've have 4 drives in my Mac Pro. An SSD as my main and 3 HDs for storage. One of these HDs, a 1TB Samsung drive has disappeared twice in the last month.

While gone, it does not show up in Disk Utility and from an OS perspective looks like no disk is loaded. A restart on the 1st or 2nd attempt brings it back. I've tried verifying with Disk Utility and it appears "ok".

I've got it fully backed up and checked that it is connected securely. Anyone come across this before?
 
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