Start Your Mac From A USB Stick – When Hard Drives Fail 0
Tip
When you Mac doesn’t boot it can be the end of the world. Hard drives are fragile and when they fail it can stop your from starting your Mac and booting. Although your Mac has a built in recovery partition it is always worth having a USB version to boot into in case your hard disk drive is toast. Creating a bootable USB drive allows you to repair your hard drive, reinstall the OS and restore from a Time Machine backup.