An optical disc (CD, DVD) or USB drive that contains a bootable program that takes control of the computer. Computers are typically configured to look for the OS on a CD or DVD first and then the ...

if there are other external connected bootable devices such as USB boot drive or CD/DVD bootable disc, these devices may interfere with your cloned SSD to boot. Proceed with the next solution if ...

Sometimes you need to access an older version of macOS, but Apple doesn't make that easy. Mist is an app that can download ...