• Create Usb Boot Device

How to Boot a Mac from USB Drive CD/DVD drives are disappearing from computers, leaving USB storage as the only option when re-installing an operating system. The process is fairly painless and, if you have a bit of time and patience you can complete the task on a Mac. I just recently installed Windows 7 pro into my new MacBook Pro using Bootcamp. Everything works fine. The only exception is I am unable to detect or use any of my external USB devices when inserted into the USB port.

Why a flash drive? Apple thunderbolt to hdmi adapter. A bootable external or internal hard drive works well for desktop Macs but presents a cumbersome problem for notebook Macs. A flash drive is a simple, inexpensive, and portable emergency boot device that can handle OS X or the macOS. Heck, it can even have both operating systems installed, letting you use the emergency USB flash drive to boot any of the Mac's you may have. Even if you don’t use a notebook, you may want to have a bootable USB flash drive on hand. What You Will Need. We’ve chosen to use a 16 GB or larger flash drive as a minimum for two reasons.

First, a 16 GB flash drive is large enough to accommodate the current minimum amount of space required to install OS X directly from the install DVD, or macOS from a download from the Mac app store, or from the Recovery HD. Eliminating the need to pare down the OS to get it to fit on the USB flash drive significantly simplifies the installation process. Second, the cost of USB flash drives is falling.

A 16 GB USB flash drive is large enough to install both a complete copy of the and some of your favorite applications or recovery utilities, making it a budget-friendly emergency device that can boot your Mac and possibly repair or recover its data and get it running again. It’s possible to install a bootable copy of OS X on USB flash drives smaller than 8 GB, but it requires fiddling around with OS X’s individual components and packages, removing the packages you don’t need, and paring down some of OS X’s capabilities. For this article, we’re going to forego the extra steps and all that fiddling, and instead install a fully functional copy of OS X onto a USB flash drive.

Create Usb Boot Device

How to set up third party messaging services in messages for mac. We recommend a 16 GB or larger flash drive because it’s big enough to install a complete copy of OS X, with room to spare for a few applications.