Startup Security Utility isn't showing options to disable Secure boot & allow booting from external media
I'm not getting any prompt to enter my password, I'm currently running Sequoia 15.7.9, iMac (2019,1).
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@lightbulbhpscfl ·
I'm not sure if these two problems are related, but I can get to the OCLP boot loader, but when i try to open the macOS 26 installer, it just shows a dark gray/black screen.
@albert-mueller ·
iMac 2019 doesn't have the T2 chip, it's a non-T2 one, unlike the other 2019 Macs, like Mac Pro, MacBook Pro and MacBook Air. The only iMac with T2 is the officially supported by Tahoe 2020 iMac.