03-20-2021, 05:08 PM
(03-20-2021, 05:04 AM)modernmagic Wrote: 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.
I'm glad to hear that you've figured out the issue.