Make A Bootable Macos Usb

21-04-2021
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One high quality USB flash drive with 16GB of storage. A copy of Apple’s macOS (DMG file). Now that you have all the necessary ingredients, you’re ready to make a Mac OS X bootable USB using the DMG file of the operating system with the steps below. Create Mac OS X bootable USB installation media. If you want to use your USB stick with an Apple Mac, you will need to restart or power-on the Mac with the USB stick inserted while the Option/alt (⌥) key is pressed. This will launch Apple’s ‘Startup Manager’ which shows bootable devices connected to the machine. Your USB stick should appear as gold/yellow and labelled ‘EFI Boot’.

With a bootable Ubuntu USB stick, you can:

Make A Bootable Macos Usb

How to create a bootable macOS High Sierra installer drive Put the macOS High Sierra installer on an external USB thumb drive or hard drive and use it to install the operating system on a Mac. A bootable USB is super convenient to have on hand if you need to install or repair an operating system on your computer. You can easily make your own bootable USB that’s equipped with the operating system of your choosing. Whether you’re using Windows or a Mac, we’ll walk you through the process step-by-step.

Make A Bootable Osx Usb From Windows

Usb
  • Install or upgrade Ubuntu, even on a Mac
  • Test out the Ubuntu desktop experience without touching your PC configuration
  • Boot into Ubuntu on a borrowed machine or from an internet cafe
  • Use tools installed by default on the USB stick to repair or fix a broken configuration

Make A Bootable Macos Usb In Windows 10

Creating a bootable USB stick is very simple, especially if you’re going to use the USB stick with a generic Windows or Linux PC. We’re going to cover the process in the next few steps.

Make A Bootable Usb Macos Catalina

Apple hardware considerations

Make A Bootable Usb Macos Sierra

There are a few additional considerations when booting the USB stick on Apple hardware. This is because Apple’s ‘Startup Manager’, summoned by holding the Option/alt (⌥) key when booting, won’t detect the USB stick without a specific partition table and layout. We’ll cover this in a later step.