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    What problem(s) are you trying to solve, exactly? Commented Oct 6, 2023 at 20:53
  • This FAQ states that SMART needs to be disabled from the BIOS.
    – sawdust
    Commented Oct 6, 2023 at 22:15
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    How is the drive connected? Internal, external, USB 2, 3, Thunderbolt? Data says SATA, which would make me assume internal… but doesn't explain how it's disk4 on an iMac with only 2 SATA ports internally. Macs don't carry proper data over USB without some additional work. superuser.com/questions/1616395/…
    – Tetsujin
    Commented Oct 7, 2023 at 9:12
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    Step 1 would be getting rid of USB 'layer' and find a PC where you can hook up the the drive to SATA. Data recovery, bad sectors, unstable drives and USB don't mix well. Commented Oct 14, 2023 at 21:47