#How to make a bootable usb mac sierra mac os
#How to make a bootable usb mac sierra install
#How to make a bootable usb mac sierra upgrade
#How to make a bootable usb mac sierra password

Use the cursor or the arrow keys on your keyboard to select your bootable High Sierra USB installer. Keep holding Alt/Option until you see the Startup Manager appear. Next, hit the Mac’s power button to turn it on and then press and hold the Alt/Option key on your keyboard as soon as you hear the Mac’s startup chime.

#How to make a bootable usb mac sierra upgrade

To do so, first power off the Mac you wish to upgrade and plug in your USB drive.

#How to make a bootable usb mac sierra install

Second, you can use your USB drive to perform a clean install of High Sierra. This will produce the same result as upgrading via the Mac App Store, but it saves you from having to download the High Sierra installer application first. First, you can connect it to a running Mac and launch the upgrade installer. Once you have your bootable macOS High Sierra USB installer, you can use it to install High Sierra on compatible Macs in one of two ways. Step 4: Install macOS High Sierra via USB Your new bootable macOS High Sierra USB Installer will now mount to your Mac, ready for use. Once the process is complete, you’ll see the Terminal window display “Done.” In most cases, it shouldn’t take more than 5 minutes. The time it takes to complete the creation process will vary based on the speed of your USB drive. You can monitor the progress of the process via the Terminal window. Terminal will then access the createinstallmedia tool built in to the High Sierra installation bundle.

#How to make a bootable usb mac sierra password

This is a sudo command, so you’ll need to enter your admin password when prompted. Sudo /Applications/Install macOS 10.13 Beta.app/Contents/Resources/createinstallmedia –volume /Volumes/HighSierra –applicationpath /Applications/Install macOS 10.13 Beta.app –nointeraction

Copy and paste the following command into the Terminal window and press Return on your keyboard to execute it: Once your USB drive is erased, launch the Terminal app (located by default in the Applications > Utilities folder). Step 3: Create the Bootable macOS High Sierra USB Installer

When you’re ready, click Erase to wipe the drive.

#How to make a bootable usb mac sierra mac os

If you plan to just copy and paste the Terminal command, name your USB drive “HighSierra.” You’re free to change it, but you’ll need to modify the command to reference the new name.Įnsure that the “Format” drop-down is set to Mac OS Extended (Journaled) and that “Scheme” is set to GUID Partition Map. Next, click Erase from the toolbar. We need to give the USB installer a temporary name in order for the Terminal command below to work.

In Disk Utility, select your USB drive from the list on the left. Plug the USB drive into your Mac and launch the Disk Utility app. You can find Disk Utility by searching for it in Spotlight or in the Applications > Utilities folder. Creating the installer will erase all data on the USB drive, so make sure to back up any existing data that may be on the drive. To create a bootable macOS High Sierra USB installer, you need a USB 2.0 or USB 3.0 drive with a capacity of at least 8GB. Therefore, close the installer app by pressing Command-Q on your keyboard. This app is how you would normally upgrade your Mac, but we don’t need to run it now for the purposes of creating our bootable USB installer. Once it’s done, the High Sierra installer app will automatically launch. The macOS High Sierra download is relatively large at just over 5GB, so it may take some time to download depending on the speed of your Internet connection. When High Sierra is finally released, you’ll be able to find it linked in the sidebar of the Mac App Store homepage. The first step to create your own bootable macOS High Sierra USB installer is to download the app-based installer Apple provides via the Mac App Store. For the current beta, users will find High Sierra in their Purchased tab after registering their Mac. Step 1: Download macOS High Sierra from the Mac App Store