Second, the CD or DVD you are using to boot must contain Apple’s Super Drive or if you are using a USB drive then it should be formatted with GUID Partition, and you are also required to install OS X installer.First, you have to have an Intel-Based Mac.So, let's get started… Part 1: How to Boot Mac from USB Drive/CD/DVDĪctually, it is possible to boot Mac from external drive or a hard drive, but there are a few specific requirements needed for your Mac to become eligible for that process. In this article, we are here with the detailed step by step guide on how to boot Mac from external hard drive easily. All these are executed perfectly when you use an external boot volume to boot up your Mac. Maybe you want to troubleshoot some problems, repair the disk, do partitions, format the entire disk, update, and install OS X etc. Booting with an external disk has a lot of significance. You may need to boot up your Mac using an external drive or boot volume once in a while, rather than using a start up disk. Running out of space on your laptop hard drive? Need to back up your photos and videos?īy Jenefey Aaron Updated on / Update for OS X Best Portable External Hard Drive For Mac.Best Mac Os Format For External Hard Drive.
