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MacMini 2012 not booting  


M Bunting
New Member
Joined: 6 months ago

I got the setup working, but the following day, could not bootup - black screen with circle+line crossed through it.  I had to reinstall MacOS.

Question:  how can I avoid reinstalling MacOS everytime I turn on the Mac Mini?

Hardware & OS:

   Razer Core X ,  Sapphire Radeon RX580Mac Mini (late 2012) , 16Gb Ram ,  Apple TB3-TB2 cable, Apple T2-T2 cable, monitor Samsung 32" 4K UHD (LU32J590) , MacOS 10.15.7 Catalina


  1) On rebooting, Command-R, in Terminal: disable SIP (csrutil disable) , reboot

  2) In Terminal, ran script purge-wrangler



To do: Create my signature with system and expected eGPU configuration information to give context to my posts. I have no builds.