03-20-2021, 05:04 AM
(This post was last modified: 03-20-2021, 05:05 AM by modernmagic.)
The issue was the 2 USB hard drives also plugged in. One had Apple Time Machine on it and the other is my iphoto library on a Samsung SSD T5. For whatever reason as long as both are unplugged, then the option boot works and I can select the EFI drive.