I formatted my hard disk in internet recovery (disk utility) but it had a partition so I can't boot into the main disk all I see is APPLE SSD HTA..e.t.c which is 60 gb and I can't see the main partition in disk utility plus I have no startup disk. Terminal's sudo command is also not working, is there anything I can do to gain root and erase all partitions?..it is still in recovery mode

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    Are you looking for an answer saying to follow this guide or did you reach a roadblock on a specific step? support.apple.com/en-us/HT204904
    – bmike
    Commented Dec 19, 2019 at 18:34

1 Answer 1


Used Internet Recovery ⌘ Command⌥ OptionR and it worked fine. If you're interested you can buy a Apple technician's disk and boot from it or buy a new Mac or do something simpler like installing Deb on a Mac with a damaged boot partition.

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    Where would one find the "Apple technician's disk" to purchase.? "Just buy a new Mac" is quite an expensive fix. Finally, why would installing Debian Linux be simpler to fix a damaged boot partition?
    – Allan
    Commented Aug 1, 2020 at 22:41

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