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Unable to install High Sierra

Joined
Oct 18, 2017
Messages
1
Hi all,

I have a Mac mini Late 2012, running EL Capitan 10.11.6 along side Windows10 through Bootcamp.

For some reason I'm unable to upgrade to High Sierra. When I go through the Install Wizard and select the partition where El Capitan is installed, it says "This disk cannot be used to startup your computer".

I did some research and it may be related to my EFI partition that's missing or corrupted.

Please let me know what I can do to resolve this issue.


Thank you
 
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