Furthermore, you can customize the icon displayed for the operating system by placing a. This location is the System/Library/CoreServices folder of the volume in a HFS+ partition. The Mac Startup Manager will display an operating system if you place the. I will offer two ways to solve your problem. rEFInd is installed in the EFI partition.There is only one disk involved and the disk is internal.The EFI partition is the first partition on the Disk.You have install Ubuntu to use the EFI boot method.The label displayed in the Startup Manager will be 'Ubuntu' instead of the generic 'EFI Boot'. The second EFI partition is replaced by a HFS+ partition. This second answer differs from my first answer in the following ways. dev/disk0 (internal, physical):Ģ: Apple_APFS Container disk1 242.6 GB disk0s2Ĥ: Microsoft Basic Data WinData 75.1 GB disk0s5ĥ: Microsoft Basic Data Windows 125.1 GB disk0s6Ġ: APFS Container Scheme - +242.6 GB disk1ġ: APFS Volume Macintosh HD 74.0 GB disk1s1 The output from the command diskutil list. As long as it somehow can load the kernel, it's fine.

I don't mind if it just goes into GRUB.I just want it to appear in the boot menu. I don't want Ubuntu set as my default OS as an alternative.Is there any way for the macOS boot manager to recognize Ubuntu without using a third-party boot manager? I couldn't boot into Ubuntu without rEFInd, but I strongly prefer the default boot manager, because I want to use the firmware password (which rEFInd doesn't have).

I currently have three OSes installed on my 2017 MacBook Air: macOS, Ubuntu, and Windows 10.

Boot camp mac os and ubuntu