![]() I will post my successful attempts below.īy default, Ubuntu can be accessed from the Mac Startup Manager by selecting the icon labeled EFI Boot. ![]() The ultimate goal : having a trial-boot by adding Windows on BootCamp. If I want to switch to Ubuntu, I'd like to select it from the boot menu. In other words : when I power on my Mac, I want my default OS to be MacOS. Formatting the hard drive to make it Mac-compatible (HFS, HFS+) via Ubuntu (through GParted for instance) is far from easy because the Mac packages aren't available: you have to search & install them.īasically I'm trying to have a dual-boot system (MacOS & Ubuntu) without affecting my EFI settings.If you delete the EFI settings (= EFI partition on your hard drive), your device cannot boot on this OS and often leads to a black screen or equivalent at startup. *The EFI settings are - simply put - what allows your device to boot on a given OS. ![]() When installing Ubuntu through a USB flashdrive via the mac boot menu, the Ubuntu installer has this annoying habit of replacing the original Mac EFI settings* with Ubuntu EFI settings*.Initially, I was aiming at dual-booting MacOS and Ubuntu on a Macbook Pro, which worked after few attempts but it had its major flaws : ![]() I encountered this issue quite often and tested a few solutions so I hope this will help.
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