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Thread: Lost Mac OS With Clean Install Ubuntu 20.04

  1. #1
    Join Date
    Jun 2020
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    Lost Mac OS With Clean Install Ubuntu 20.04

    Hi iím new to linux and ubuntu. I downloaded 20.04 on an older macbook and lost the Mac OS when I did it. Ubuntu 20.04 loads ok, but Iíd like to try and recover the Mac OS and run them both on my machine. Any suggestions on how to do this? Iím guessing i would need a disc image of the Mac OS and somehow change the boot order on my machine through Ubuntu, but thatís where Iím a bit lost. Any help or links to helpful threads would be appreciated.

  2. #2
    Join Date
    May 2013
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    Galiza
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    Ubuntu

    Re: Lost Mac OS With Clean Install Ubuntu 20.04

    Welcome.

    Yes, you need installation media for MacOS and to boot from it. The second part is managed by the firmware (UEFI), not any installed OS.

    PS - There are MacOS forums and online resources for questions about that OS. Your question is about how to install that OS, not Ubuntu.

  3. #3
    Join Date
    Jun 2020
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    5

    Re: Lost Mac OS With Clean Install Ubuntu 20.04

    Cool thanks for quick reply! Its the second part i'm confused about. Any information on changing the boot order on my machine? If I have Grub Customizer installed and a USB with the disc image will it allow me to boot from that, or is there another way?

  4. #4
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    May 2013
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    Ubuntu

    Re: Lost Mac OS With Clean Install Ubuntu 20.04

    The way to boot external media should be the exact same way you used to boot the Ubuntu installation media.

  5. #5
    Join Date
    Jun 2020
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    Re: Lost Mac OS With Clean Install Ubuntu 20.04

    Ok sorry to be dense, but on a mac that's usually option key + r, but i completely erased the mac os and that key combo does nothing when I boot my machine now.

  6. #6
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    Re: Lost Mac OS With Clean Install Ubuntu 20.04


  7. #7
    Join Date
    Jun 2020
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    Re: Lost Mac OS With Clean Install Ubuntu 20.04

    Right on much appreciated! Gives me a few things to try. Will post how it went.

  8. #8
    Join Date
    Jun 2020
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    5

    Re: Lost Mac OS With Clean Install Ubuntu 20.04

    hey thanks again for the guidance i got it sorted!

  9. #9
    Join Date
    May 2013
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    Galiza
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    Ubuntu

    Re: Lost Mac OS With Clean Install Ubuntu 20.04

    You're welcome.

  10. #10
    Join Date
    Jul 2005
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    I think I'm here! Maybe?
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    Distro
    Xubuntu 20.04 Focal Fossa

    Re: Lost Mac OS With Clean Install Ubuntu 20.04

    Great news!

    Please mark as SOLVED from the Thread Tools menu up-top if this is now solved to your satisfaction. It is a great help to other users searching the forum.

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