The likeliest of the reason for choosing the boot from the USB method is that your Mac won't start which denies the user access to the computer. Reasons for Mac Boot from USBīooting the Mac from USB in a way gives the power back to the user. One of them includes Booting the Mac from such a device. This small tool has opened the world to a stream of limitless options with respect to storing, transferring, copying data, and much more. Thanks to their portable nature, affordability, and compatibility, USB drives are being used to send and receive endless information across a surplus of networks and platforms all around the globe. Today, these drives are one of the most consumed used devices in the world. The drives are available in various sizes, and as of the data, the 2TB(Tera-Byte) flash drives in terms of storage capacity are the largest ones available in the market. Any sort of data can be stored in this device. It is typically removable and much smaller than an optical disc. Select the drive in Disk Utility and then thePartition Tab.A Universal Serial Bus or USB Drive, also known as a flash drive is a portable data storage device that includes a memory which includes a USB interface. In Disk Utility, prepare the USB drive to be bootable.Plugin your USB Drive, for this effort I used a 8gb USB drive, and open Disk Utility.You will need this file to create the USB drive. In the Finder window displaying the package contents select the Contents folder, then the SharedSupport folder.Find the downloaded App package in Finder, right or control click it and select “Show Package Contents”.How To Create an OS X Lion USB Installation Drive Below you will find the steps to install OS X Lion via a USB drive.

In fact, it is still very easy to create a USB installation disk for OS X Lion. Starting with OS X Lion, the only way to get new software will be to download and install it through the Mac App store.įortunately, it does not appear that Apple has limited our ability to create our own installation media for OS X installations. No longer would you be able to buy the latest and greatest software from Apple on DVDs or other media. When Apple announced at their World Wide Developers Conference the release of OS X Lion, they shared that they were moving forward with a new way to distribute software to their customers.

Install macos from usb