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How to transfer successful HDD install on SSD?

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Hi everyone, I finally managed to install High Sierra on a spare HDD I had laying around.
Audio works, ethernet works, GPU card works and is recognized by the system. It seems to work perfectly so far.
Now, let's say I want to "transfer" this installation on an SSD bought specifically for this purpose, to have some more responsiveness, could I just format the SSD in the same Mac OS Journaled Extended format of my current HDD and transfer the HDD EFI partition contents to the new SSD EFI partition content to make it work? Or should I start all over again with the bootable USB drive etc...?
And in this case, to make sure this new installation works as the current one, I just need to copy the EFI folder of the HDD to the EFI folder of the SSD, right?
 

Going Bald

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You could create an image of your current installation on the HDD:
See https://support.apple.com/guide/disk-utility/create-a-disk-image-dskutl11888/16.0/mac/10.13
then restore the image to the SSD:
See https://support.apple.com/guide/dis...sk-image-to-a-disk-dskutl14078/16.0/mac/10.13
or you can use SuperDuper or CarbonCopyCloner to clone the HDD to the SSD.
Whichever path you take, mount the EFI partition and copy the EFI folder from the HDD to the EFI partition of the SSD.

Thanks man, that's really helpful! ;)
 
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