However on the previous version of Ubuntu. Plug a USB drive into your Mac and open Disk Utility. If you’ve downloaded Windows 10 ISO image, here is how you can create a bootable Windows installer USB on Mac using UNetbootin. An answer provided a video that solved the issue but this screenshot should contain all essential. UNetbootin is a free, open source utility that allows you to create bootable USB drives on Windows, Linux, and Mac OS X. The only difference to Apple is that you need to make the ISO file into special DMG file and upload that. Now we make only a small difference to this procedure to get it working with Apple computers, namely converting the ISO into special format usually labelled with DMG or just IMG. This method works always, even you are trying to burn a Windows image into your USB stick ons Mac to make it bootable, which is a pain. This so far is very close to working with distros such as Ubuntu here. $ sudo diskutil umount /Volumes/UNTITLED\ 1/ If you once had purchased an old version of Mac OS X from the App Store, open it and go to the Purchased tab.
How to download older Mac OS X versions via the App Store.
Step 2: Insert USB stick an re-run diskutil list. If you succeed in downloading the OS installation, your next step is to create a bootable USB or DVD and then reinstall the OS on your computer. Use the diskutil command to list all disks and partitions on your Mac. Now you know the address to be something like /Volumes/disk1s1 and for the mount-point like /Volumes/Untitled 1 but Apple requires some syntactic sugar in $ sudo umount /Volumes/UNTITLED\ 1/ umount(/Volumes/UNTITLED 1): Resource busy - try 'diskutil unmount' but it won't stop us! So everything as one-liners below, enjoy! $ sudo watch -interval=1 'dmesg|tail' Step 1: Confirm partitions before inserting USB. You can find the Debian-style-/dev/sdb location after $ sudo port install watch and then getting the address from the kernel ring buffer with $ sudo watch -interval=1 'dmesg|tail' so