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I'm afraid there's no non-destructive way to revert back to HFS once converted. You may use diskutil apfs deleteContainer /dev/disk(x)s(x) (where x is your correct APFS container). This will revert the APFS container back to HFS but will destroy all data. Best find another pool of storage to copy all data from that drive to, then revert, then copy back.


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I managed to get the drive to respond and unmount by killing the process fsck_hfs


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If backup is available then remove the recovery HD, resize the main volume to fill the remaining available space (since it appears the recovery HD is what is in the way of resizing) and then recreate the recovery HD with whatever you're comfortable with (suggestion https://github.com/MagerValp/Create-Recovery-Partition-Installer )


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Typically, if you have a spinning hard disk drive (not an SSD or Solid State Drive) and there is a physical problem with the drive, you will get the symptoms you have described. So the first answer to your question is: yes, it is possible for only one part of a hard drive to malfunction. This has been, for me, the more frequent kind of problem, often ...


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The GUID types for partitions 2 and 3 are wrong. The both current values are DE94BBA4-06D1-4D40-A16A-BFD50179D6AC, which indicates two "Windows Recovery Environment" partitions. The procedure given below can correct type partition types, but there is no guarantee the data (OS X) did not get overwritten while installing Windows. Boot using Internet Recovery....


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The SSD is disk0, the internal HDD (which should be disk1 if a Fusion disk is attached) is missing. Instead your recovery volume (loaded from Apple) is disk1. Your internal HDD probably either died or the SATA cable is loose/broken. You have to replace the HDD and/or the cable. The SSD seems to be functional but misses any partition. It already contains a ...


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The best way to handle an iPod Restore is to do it from iTunes. iTunes knows what it is & how to format it - it will even actually format differently depending on whether you have iTunes on a PC or Mac, to enable easier file handling afterwards. If it's a model with a lock switch at the top [red dot visible] switch the lock off first [white dot] - ...



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