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OCD-FREAK

Suspended
Original poster
Dec 3, 2020
3
0
europe
i have an imac late 2015 with a 2tb fusion drive that started randomly giving kernel errors and once rebooted into the OSx Monterey it gives me an error saying "the disk you attached was not readable by this computer" and gives me 3 options: eject, initialize or ignore, when i chose initialize i was taken to disk utility that showed me apple ssd 128GB as unmounted and when i try to format, it keeps going and doesn't format.

thanks!
 

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Bigwaff

Contributor
Sep 20, 2013
2,766
1,845
Your Fusion Drive SSD component has failed. You have two options.

1. Remove the failed SSD and replace with a higher capacity SSD. Recommend you don’t create another Fusion Drive but buy higher capacity SSD and use as single drive.

2. Leave failed SSD alone and install Mac OS and boot from an external USB or Thunderbolt SSD.
 
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