Make bootable usb mac mountain lion on windows

Contents

  1. Make the OS X Mountain Lion Install Drive
  2. Create OS X Mountain Lion Bootable USB from Windows
  3. Download OS X Mountain Lion and Extract the DMG File
  4. Create a bootable USB drive from a DMG file on Windows - Super User

Apple's first adventure with direct digital download sales of its Mac operating system was OS X Lion , which actually went very well. OS X Mountain Lion continues this trend by deleting the bootable installer as part of the Mountain Lion setup process.


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  • Create OS X Mountain Lion Bootable USB from Windows - ITek Blog!
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When the process is finished, you'll have a copy of the InstallESD. If you would rather create a bootable copy on a USB flash drive, you can skip these steps and move on to the next ones below. The USB device will be erased and partitioned. When that process is complete, the flash drive is now ready for use as a bootable device for OS X Mountain Lion. Share Pin Email.


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    Make the OS X Mountain Lion Install Drive

    A dual-layer DVD. This type of DVD has two layers, which increases the available recording space to roughly 8.

    Please note that you must create the bootable copy of the installer before you actually perform the Mountain Lion installation because the Mountain Lion setup process deletes the files you need to make the bootable installer copy. You will see a folder named Contents in the Finder window.

    You should see a file named InstallESD. Right-click the InstallESD. Close the Finder window and return to the Desktop. Right-click on an empty area of the Desktop and select Paste Item from the pop-up menu. Pasting the item to the Desktop can take a bit of time, so be patient.


    • Things to know before proceeding.
    • The IT Resource Kit.
    • How to create Mac OS X bootable USB installation media!
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    • How to Make a Bootable OS X 10.8 Mountain Lion USB Install Drive!

    Insert a blank DVD into your Mac's optical drive. If a notice asks you what to do with the blank DVD, click the Ignore button.

    Create OS X Mountain Lion Bootable USB from Windows

    Click the Burn icon, located in the top right corner of the Disk Utility window. You can find out more on how to do this here.

    Make Bootable USB flash drive for Tiger, Leopard, Lion, Mountain Lion, Mavericks OS X

    If you want to make the process as painless and automated as possible, there's an app you can use called Lion Diskmaker. Simply download the app and in a few clicks and about 30 minutes your disk will be finished. The app also works with OS X Lion.

    Download OS X Mountain Lion and Extract the DMG File

    Drag and drop the " InstallESD. This should make it appear in the Source box on the right. If not, you may have to click the " Restore " tab as seen below. If you need help using your disk to restore your Mac, Apple has a helpful page in its Support section. When following these instructions we got a persistent error message when restoring the boot image to the USB partition, "Restore Failure Could not restore — Invalid argument".

    Create a bootable USB drive from a DMG file on Windows - Super User

    However it appears that this has no effect on the restore, and the USB is usable afterwards. Yes, you can ignore this error. We've seen it too on some Macs, but as you say, it still works just fine.