#Create bootable usb for mac high sierra how to#
#Create bootable usb for mac high sierra mac os#
#Create bootable usb for mac high sierra install#

If it is not named “Untitled,” you will need to change the command syntax for the pathname where it says: Volumes/Untitled. Recall the name of your formatted external drivewhen entering the following text into Terminal.Scroll down and double click on Terminal. Important:You will need to use an administrator account on your Mac in order to run the Terminal commands to create a boot drive.

#Create bootable usb for mac high sierra how to#

How to make your external drive into a macOS High Sierra boot drive Your thumb drive or external hard drive is now ready. Click Done when the process is complete.

#Create bootable usb for mac high sierra mac os#

Select Mac OS Extended (Journaled) from the format list.If you have more than one external drive with the same name, you will need to rename the drive you are using as a bootable installer now. Note the name of your external hard drive (probably “Untitled”) because you will need it when you create a bootable drive.Scroll down and double-click on Disk Utility.Ĭlick on the Erase tab at the top of the window. Scroll down and double-click on Utilities.Select Applications from the list on the left side of the window. Click on Finder in your Dock to open a Finder window.Plug the thumb drive or cable for your hard drive into the appropriate port on your Mac.You’ll need to start with a clean thumb drive or hard drive in order to make it a bootable drive. How to format your external drive for macOS High Sierra Close the installer instead.Īnd please: Don’t forget to back up your Mac before you do anything. Note: After macOS Sierra has downloaded, it will automatically launch the installer to begin the installation process. You’ll also need to download macOS High Sierra from the Mac App Store. How to use macOS High Sierra with a bootable driveīefore you get started, make sure you have a thumb drive with at least 8GB of storage, or a spare external hard drive (one you aren’t planning to use for anything else).

How to make your external drive bootable for macOS High Sierra.

How to format your external drive for Mac.

If you don’t feel comfortable making changes to your Mac with Terminal, you can create a bootable disk using the DiskMaker X program.

Note: These instructions require the use of Terminal.

#Create bootable usb for mac high sierra install#

You can use a bootable drive on a hard drive partition for dual-software installation, to install on multiple Macs in your home, or as a bootable drive if you can’t use the Internet Recovery partition. When it comes time to upgrade your Mac operating system, the first thing to consider is whether you want to install it directly onto your Mac or create a bootable drive. Make a bootable copy of macOS High Sierra so you can have a portable copy to install on multiple devices.