7/11/2023 0 Comments Apple application loader down![]() Instead, it was the scrolling white text boot up.įrom what I can tell looking at rEFInd more closely before hitting boot is that the Ubuntu option was actually to load a specific kernel, and not just boot from the disk. After telling rEFInd to boot from the external HDD, the purple GRUB screen never came up (Yes, I had set a delay) and furthermore, there was no purple dot boot animation. This is where things start to go really strange. After booting from that DVD, I then selected my external HDD to boot from inside of rEFInd. (Selecting "EFI boot" with the DVD icon when holding the Option key during startup). Now in order to boot Ubuntu from my external HDD, I first booted from a DVD that I had burned an ISO of rEFInd to. That value is controlled by your selection in "System Preferences > Startup Disk". Apparently, there is an NVRAM value that tells the firmware whether to attempt to boot in UEFI mode (OS-X) or in legacy MBR mode (Windows). In order to maintain compatibility with MS-Windows, Apple uses a hybrid UEFI and Legacy MBR mode. So things were even more complicated than it seemed at first.
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