Confirm the dialog ensuring that you want to erase the device and all information on it.ħ) Select the Partition tab on the top right. Then ensure that the Format drop-down menu is set to Mac OS Extended (Journaled) and click the Erase button. To do so, simply click and drag the file to the desired location while holding down the Option key.ĥ) Plug in the flash drive and launch Disk Utility (/Applications/Utilities).Ħ) Make sure the flash drive is properly formatted highlighting the flash drive at the left (make sure to select the device and not the volume shown under it) and clicking the Erase tab across the top right. To create your own bootable USB device using your own flash drive (note that the device must be at least 8GB or larger), follow the instructions below.ġ) Download OSX Moutain Lion from the App Store It will be downloaded to your Applications folder.Ģ) Right click on “Install Mac OS X Mountain Lion” installer and choose the option to “Show Package Contents”ģ) Inside the Contents folder, you will find a SharedSupport folder and inside the SharedSupport folder you will find the InstallESD.dmg. This is the 10.8 Mountain Lion boot disc image.Ĥ) Copy InstallESD.dmg to another folder like the Desktop. SuperUser: Create a bootable USB drive from a.You can easily create a bootable Mac OS X 10.8 Mountain Lion installer flash drive using the instructions below. How to make installation disk/pendrive of Mountain Lion in Windows 7? Ask Question Asked 7 years, 5 months ago.
I have: a Mac OS.DMG file Windows 7 OS Is it possible to make installation disk of Mac OS in Windows 7. I would like to install Mac OS Mountain Lion in my Intel Core i3 processor.Is there any easy and straight forward way to do this on windows? I got a new SSD and I am prepared to install it but first I need to create a new bootable USB with Mountain Lion on it to begin the process. I need to install Mountain Lion on my Mac once again as the SSD is garbage.If you bought a new machine from Apple you have OS X 10.8 already installed – but no back up disk! and since you haven’t bought the OSX Lion 10.8 App from the App store you can’t re-download it – so thats why you have the recovery drive as a partition in your main hard drive, to boot from it you need to restart the machine and when it starts to boot hold down “command” + “r” keys.
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