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booting osx from external ssd

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    Kernel panic on Fusion Drive, HDD is broken

    My very trusty late 2015 27” iMac, with a 3 TB Fusion drive, didn’t boot all of a sudden on Thursday morning. No warnings, it was fine as usual up until the night before on Wednesday, then the next morning, it boots to the “prohibited” circle. I’m not really upset for the drive failing, after...
    • sebalvarez
    • Thread
    • booting osx from external ssd fusion drive imac kernel panic late 2015 5k imac sata
    • Replies: 15
    • Forum: iMac
  2. S

    Clone HD to SSD Won't Work (Running Bless error)

    I have a 27in late 2012 iMac that I'm trying to clone it's 1TB HDD to a 1TB samsung QVO. When I had high sierra, I was able to do this without issue in the Disk Utility. I upgraded to Mojave (10.14.6), and am trying to set it up to clone again so I can dedicate the external SSD as the new boot...
  3. R

    Using USB 3.0 (5gbp/s) connection to boot from external SSD

    Hi there, I using an imac 2019 and currently boot from an external SSD (Samsung T7) to completely cut out the fusion drive. It's currently connected via one of the USB-C/Thunderbolt 3 ports utlilising a USB3.1.gen2 (now USb3.2 gen2x1?) for 10gbp's. I'm struggling with bandwith from the...
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