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  1. #1
    Create bootable ISO from Bootable USB stick for Sierra

    Member Since
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    Create bootable ISO from Bootable USB stick for Sierra
    I need to create a bootable ISO image of my bootable USB stick for Sierra. I need the ISO to install in Virtual Box as it will not recognize the bootable USB stick as a boot device. Any help would be greatly appreciated.

  2. #2
    Create bootable ISO from Bootable USB stick for Sierra
    chscag's Avatar
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    Did you download and install the VirtualBox Guest Additions?

  3. #3
    Create bootable ISO from Bootable USB stick for Sierra
    ferrarr's Avatar
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    What did VirtualBox say on their forums?
    -- Bob --
    Please backup. Everything has a life cycle, unexpected and warning free. Nothing will last as long as you want it to.

  4. #4
    Create bootable ISO from Bootable USB stick for Sierra

    Member Since
    Sep 17, 2012
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    Pittsburg, TX
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    Your Mac's Specs
    Mid 2012 MackBook Pro, 2.53 GHz i7, 16GB Ram, 512GB SSD OSx 10.13
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    Thanks for the replies.

    I'm using an existing install of Virtual Box. The guest additions are only applied after the install of a guest, not before. I'm wanting to install a Sierra guest.

    I've created what looks like a bootable ISO, but the install in Virtual Box fails so quickly that I suspect there is a problem with the ISO which is the reason I was asking here.

    I'm asking here because I've read where users of this forum have installed new releases of MacOS in virtual box to test before updating their system so was hoping to find someone that had done it and learn from them. I've searched the internet to see what others have done and it is a real mixed bag. Lots of ideas, but no proven method that seems to always work. I've tried those suggestions with no success.

    I will post on Virtual Forums, but haven't yet as what I've seen in the past the response there is often very little.

  5. #5
    Create bootable ISO from Bootable USB stick for Sierra
    ferrarr's Avatar
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    Usually, I would install another OS on a separate partition, or another external drive, for testing purposes. I wouldn't waste my time with a "virtual" OS install.
    -- Bob --
    Please backup. Everything has a life cycle, unexpected and warning free. Nothing will last as long as you want it to.

  6. #6
    Create bootable ISO from Bootable USB stick for Sierra

    Member Since
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    Your Mac's Specs
    Mid 2012 MackBook Pro, 2.53 GHz i7, 16GB Ram, 512GB SSD OSx 10.13
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    True, and I would do the same, but this is for my son who isn't able to do that so I'm trying to figure out the procedure for him.

  7. #7
    Create bootable ISO from Bootable USB stick for Sierra
    ferrarr's Avatar
    Member Since
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    Maybe you could provide the specs on the machine you (or he) is working with? What is the current OS? What size drive? Space free? Space used?
    -- Bob --
    Please backup. Everything has a life cycle, unexpected and warning free. Nothing will last as long as you want it to.

  8. #8
    Create bootable ISO from Bootable USB stick for Sierra

    Member Since
    Sep 17, 2012
    Location
    Pittsburg, TX
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    187
    Your Mac's Specs
    Mid 2012 MackBook Pro, 2.53 GHz i7, 16GB Ram, 512GB SSD OSx 10.13
    Rep Power
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    My specs are in my info box on the left. 150 GB free. His hardware is more limited so if I can't do it for sure he can't. I want to cross one bridge at a time here. I have 3 other OSs installed in VBox so I've done my share of installs, just not MacOS.

  9. #9
    Create bootable ISO from Bootable USB stick for Sierra
    ferrarr's Avatar
    Member Since
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    Your Mac's Specs
    L2014 Mac mini macOS 14, iPhone 8+ iOS 12, 12.9" iPad Pro 1 iOS 12, Pencil 1
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    What macOS versions do you have installed in VBox?

    Did you see this, https://superuser.com/questions/1351...?noredirect=1?
    -- Bob --
    Please backup. Everything has a life cycle, unexpected and warning free. Nothing will last as long as you want it to.

  10. #10
    Create bootable ISO from Bootable USB stick for Sierra

    Member Since
    Sep 17, 2012
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    Pittsburg, TX
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    Your Mac's Specs
    Mid 2012 MackBook Pro, 2.53 GHz i7, 16GB Ram, 512GB SSD OSx 10.13
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    Sorry for the confusion, no MacOS versions, just Windows XP, OS/2 and a couple linux versions.

    That link looks very interesting. Thanks for finding it. I searched for something of the sort, but never found that one. It definitely looks like it might work. I'll get back with the results, probably in a few days.

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