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Apple Computing Products:
macOS - Operating System
CCC fails to boot MBP after stalled install of Big Sur
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<blockquote data-quote="Rod" data-source="post: 1867824" data-attributes="member: 204485"><p>It's a good question, I don't have a good answer. </p><p>CCC was able to boot successfully the day before. </p><p>What I needed to do was boot into a Recovery Partition to access Disk Utility in order to erase the HD. Initially I did not know that. I was still thinking the HD might be retrievable.</p><p>TM boots directly into the Recovery mode. I did try to boot CCC into Recovery mode with no success. </p><p>The bootable thumb drive with the macOS installer was unnecessary really, TM would have worked too but it's a good alternative if you don't have TM.</p><p>In your case you are talking about your Mac Mini HD "failing", I think that may be different to my case in which my HD was "damaged."</p><p></p><p>I have learned the hard way but I did learn.</p><p>The process should have been;</p><p>Boot the MBP with either TM or the bootable installer.</p><p>Open Disk Utility, click Show All in the sidebar. </p><p>Unmount the volumes (Macintosh HD and Macintosh HD_Data) in the container (mine was container 1)</p><p>Erase, Name, Format and Map (GUID) the media disk (the one with the proprietary name) .</p><p>Shut down and boot from the CCC clone and restore all files back to the HD.</p><p></p><p>That would have taken a lot less than the 6hrs I spent on it.</p><p></p><p>The bootable thumb drive with the macOS installer is a very handy tool even if you only use it to boot and access Disk Utility, that way I think, it would not even matter if the certificate had expired on the installer, it becomes just a portable boot an repair device.</p><p></p><p>So if you want to just have CCC as your only backup my advice would be to also make yourself a bootable thumb drive with a macOS installer on board.</p></blockquote><p></p>
[QUOTE="Rod, post: 1867824, member: 204485"] It's a good question, I don't have a good answer. CCC was able to boot successfully the day before. What I needed to do was boot into a Recovery Partition to access Disk Utility in order to erase the HD. Initially I did not know that. I was still thinking the HD might be retrievable. TM boots directly into the Recovery mode. I did try to boot CCC into Recovery mode with no success. The bootable thumb drive with the macOS installer was unnecessary really, TM would have worked too but it's a good alternative if you don't have TM. In your case you are talking about your Mac Mini HD "failing", I think that may be different to my case in which my HD was "damaged." I have learned the hard way but I did learn. The process should have been; Boot the MBP with either TM or the bootable installer. Open Disk Utility, click Show All in the sidebar. Unmount the volumes (Macintosh HD and Macintosh HD_Data) in the container (mine was container 1) Erase, Name, Format and Map (GUID) the media disk (the one with the proprietary name) . Shut down and boot from the CCC clone and restore all files back to the HD. That would have taken a lot less than the 6hrs I spent on it. The bootable thumb drive with the macOS installer is a very handy tool even if you only use it to boot and access Disk Utility, that way I think, it would not even matter if the certificate had expired on the installer, it becomes just a portable boot an repair device. So if you want to just have CCC as your only backup my advice would be to also make yourself a bootable thumb drive with a macOS installer on board. [/QUOTE]
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Apple Computing Products:
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CCC fails to boot MBP after stalled install of Big Sur
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