![]() In this tutorial we look at a few ways of creating a bootable Windows 10 USB flash drive from an ISO image. Creation of a bootable USB from an Ubuntu Linux 15.10 Desktop ISO is also discussed for comparison. These techniques can be used to create bootable flash drives for many other operating systems. If you want to install an operating system (OS) on your computer, you can download an with that OS. A Windows 10 ISO is available from Microsoft at. If your computer has a DVD drive and DVD burning software, you can just burn the ISO to a DVD and use that to boot your computer. However, many of today’s computers don’t have a DVD drive, but do have a USB one. Creating a bootable USB flash drive is not as straightforward as burning a DVD. With that version of Mac OS X, and all versions since, it's been possible to use the Terminal command createinstallmedia to create a bootable installer of the macOS, in this article we'll show you. Feb 28, 2017 - MacOS Terminal: Create a Bootable USB from an ISO Using “dd”. ISO file is a widely used disk image format and the standard format for. We look at three of the possible approaches for doing this on a computer running Mac OS X. Disclaimer: use the information found in this tutorial at your own risk. Please be careful! It is very easy to ruin your Mac’s operating system if you make a mistake, especially when using the command line! Method 1: Create Bootable Windows 10 USB With Disk Utility This may be the easiest way of creating a bootable windows 10 USB from an ISO image in Mac OS X. Unlike the other two methods, this one does not require administrative privileges. Unfortunately, this will not work for Ubuntu: the ISO for Ubuntu 15 Desktop contains a Linux-specific file system that cannot be read by Mac OS X without installing additional software. Here are the steps: • After inserting the USB flash drive, open the Disk Utility found in the Utilities folder under Applications. In this example I use a 32 GB SanDisk Cruzer and create a 5 GB partition on it, called WIN10_TEST. Set up USB with MBR partition scheme • Mount the Windows 10 ISO by selecting File -> Open Disk Image in the Disk Utility. Please make a note of the volume name by which the mounted ISO image is seen in the Finder. It will probably be a long sequence of letters, numbers, underscores, and dashes. • For the purposes of this tutorial we will assume that the USB volume is named WIN10_TEST, and the ISO is mounted as volume ISO_WIN10. Using the Finder, copy all files and folders from ISO_WIN10 to WIN10_TEST. If you encounter an error, you can use the following command in the Terminal to copy the ISO contents to the USB drive: cp -R /Volumes/ISO_WIN10/ /Volumes/WIN10_TEST Please don’t forget the slash (/) after ISO_WIN10!!! Before running the above command, you may want to make sure that the directories exist. If the first one doesn’t, then the ISO may have been incorrectly mounted. If the second one is missing, then maybe the USB drive was named something else or needs to be taken out and re-inserted. After running the command please make sure that the content of ISO_WIN10 is now also found in WIN10_TEST. See this post about an error that can occur while copying the ISO contents to a USB flash drive: Congratulations! You now have a bootable Windows 10 USB that you can use as installation media for a PC. Not sure if you can use it for installation on your Mac, though. BTW, if you tried this with the Ubuntu 15 Desktop ISO, an attempt to mount the ISO using the Disk Utility would have resulted in the following error message. Error mounting Ubuntu 15 ISO As mentioned earlier, this is because that ISO contains a file system that can’t be read by Mac OS X. Method 2: Create Bootable Windows 10 USB Using UNetbootin Software This method can also be used to create an Ubuntu bootable USB. Here we use a piece of software called, which is available for multiple platforms, including Mac OS X. ![]() The steps are: • Download UNetbootin from its official site, • Make sure you allow your computer to run apps downloaded from anywhere. This can be done in System Preferences under Security & Privacy. You may want to revert to a more restrictive setting after making your bootable USB.
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