Then shut down and hold down the ⌘+⌥+P+R keys after you restart the mini. If someone could confirm if they are able to reset PRAM/NVRAM on their 2018 Mac mini or not, using the normal CMD+Option+P+R key command on startup, that would be great.Ĭlick to expand.Hi IngerMan, since the Apple stores are closed, if you have the time, I would appreciate if you (or anyone else with a 2018 Mac mini) could do the following quick test for me:Ĭhange the input and output sound volume to something like 10-20%, change the display resolution to something much lower than your native resolution, change the startup disk, if possible and change the time zone. And Catalina apparently no longer supports booting from an internal recover partition. It may have something to do with the T2 chip firmware. I have called Apple and they have not been able to help so far but have promised to get back to me. Otherwise it goes straight into internet recovery and ends with a -1008F error. But when I finally was able to turn it off, I left it off.Īnother issue I have with this Mac mini (running Mojave), that started after I installed Catalina on an external drive, is that I can no longer boot into the regular recovery partition (CMD+R) without the external Catalina drive attached. When I booted from the regular internet recovery, it did not work. It took a lot of troubleshooting to finally figure out that I had to boot into recovery mode from an external USB flash drive with the Mojave installer to get into the Startup Security Utility and disable the firmware password. But I set one up as soon as I got the Mac mini.
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