#How to make bootable osx from windows for mac os x

Once your bootable USB installation media is ready, remove it and insert it into your Mac, power it on, holding down the Option key, and select the USB you just created to re-install Mac OS X. If you cant start up from the bootable installer, make sure that Startup Security Utility is set to allow booting from external or removable media. Select the volume containing the bootable installer. It could take one or two hours to complete the process depending on your computer and other variables. Release the Option key when you see a dark screen showing your bootable volumes.

#How to make bootable osx from windows for mac os x

Use the Restore Disk Image to Drive dialog box to browse forВ the DMG file with the installation files for Mac OS X Yosemite in this case, and click OK to create a bootable USB of the operating system.

On the left pane, youвЂ™ll see all the Windows PC drives listed, right-click the USB drive youвЂ™re intending to use to re-install AppleвЂ™s OS and click Restore with Disk Image.

YouвЂ™ll be prompted to Enter Key or Run, because weвЂ™ll be using it once, click Run.

Right-click the TransMac software icon and Run as administrator.

Make sure you take off any important documents.

Remember that all the data in the USB will be erased. Insert the USB drive that youвЂ™ll use to fix your installation of OS X.(Though, if you want to support the developer, you can purchase the full version.) Well, if you want to get the Windows 10 ISO file freely, you can download it from a trusted third-party source. TransMac is a paid software, but it has a 15-day trial solution, that give us more than enough time to move the DMG files to the USB drive from Windows.

Download and install a copy of TransMac, which is the software that will make everything happen.

Type the create partition primary and press Enter to complete.ДЄfter converting the USB flash drive from MBR to GPT format, you can use the steps below to create a bootable USB installation media to install Mac OS X.

Type the convert GPT command and press Enter.