Then click GUID Partition Table which is found in the Options menu. In the drop-down menu select the format-type Mac OS Extended (Journaled).ĥ. Windows OS doesn't natively support DMG disk image files, so if you need to create a bootable USB drive from a DMG file, mostly for bootable Mac OS X or macOS installation USB, you need a special utility to help you complete the task. Now the job starts to get harder and some images well make it clearer.Ĥ. DMG file is a compressed file format being used widely on Mac computer.
After that select 1 partition from the drop-down menu. The second step refers to clicking on the USB drive and going for the Partition tab.ģ. The first step it’s about inserting the USB drive into the device (Mac) and then pressing the Disk Utility button.Ģ.
If you have these four things you can go on with the process.ġ. Install OS X Mountain Lion (10.8).app (download it from Mac App Store) Apple computer with Mac App Store (OS X 10.6.8+) An 8GB USB Flash Drive (or a SD Card which will also do the trick) I kept on hearing that installing OS X is a very difficult job, especially if you do it on a MacBook Air so i decided to show you how to make a bootable USB install OS X in 10 easy steps.īefore you get started you’ll need a couple of things in order to get the job done:
