How-to Make a Bootable Mac OS X 10.8 Mountain Lion USB Key from the InstallESD.dmg on Mac OS X 10.11 El Capitan

Making a Mac OS X 10.8 Mountain Lion USB Bootable Key on Mac OS X 10.11 El Capitan The Mac Tutorial Shows You Step-by-step How-to Create a Bootable Mac OS X 10.8 Mountain Lion USB Key from the InstallESD.dmg on Mac OS X 10.11 El Capitan. The First Step is to Make a Virgin USB Key that contains purelly Free Space on Mac OS X 10.11 El Capitan. But the GUI Function to make this is Easily by Mac ‘Disk Utility’ have been Dropped on Mac 10.11 El Capitan! So to Achieve this is Usefull Task we’ll Forced to make …

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