How to make bootable high sierra usb

To start the conversation again, simply ask a new question. I'm currently running Mojave I asked for assistance on the iDVD community, and a couple of very helpful people gave me various suggestions, one of which was to install High Sierra the last OS with which iDVD was totally compatible on a flash drive, and run iMovie and iDVD from it. However, I haven't been able to complete the installation.

It has since been updated with appropriate instructions for the public macOS High Sierra release. If it is elsewhere on your computer, move it to the Applications folder. This tutorial will be marginally easier if you leave the file name as the default: Install macOS High Sierra. This will wipe all data from the drive. This will make the guide marginally easier. Make sure there are no other volumes mounted with the same name. The USB drive will be unmounted throughout the process and will disappear from the desktop.

How to make bootable high sierra usb

You can use an external drive or secondary volume as a startup disk from which to install the Mac operating system. These advanced steps are primarily for system administrators and other experienced users who are familiar with entering commands in Terminal. You don't need a bootable installer to upgrade macOS or reinstall macOS , but it can be useful if you want to install macOS on multiple computers without downloading the installer each time, or you're unable to install a compatible macOS from the Finder or macOS Recovery. Your Mac must also be compatible with the macOS that you're downloading. Enterprise administrators: download from Apple, not a locally hosted update server. Download a macOS installer using the App Store or your browser. Open Terminal, which is in the Utilities folder of your Applications folder. Type or paste one of the commands below into Terminal, then press Return to enter the command. Each command assumes that the installer is in your Applications folder, and MyVolume is the name of the USB flash drive or other volume you're using. If the volume has a different name, replace MyVolume in the command with the name of your volume. When prompted, type your administrator password. Terminal doesn't show any characters as you type. Then press Return.

Reliable advice on how to stay safe online. It's only able to create a bootable installer for Windows.

You can also use your bootable installer to install macOS on a separate volume of your hard drive or on a partition if you are running an older version of the Mac OS. Once is quite enough! Luckily, making a bootable installation of the Mac operating system became a whole lot easier when Apple launched OS X Mavericks back in If you want to run macOS on an external drive , which is slightly different, we have a separate article. We recommend a Flash memory stick, rather than a standard hard drive, as it will be quicker. If you have an M1 Mac you might actually be better off with a Thunderbolt drive because there have been some issues with using USB drives with the M1 Mac.

Please note that before installing any system, you need to ensure there is sufficient space on your Mac. MacKeeper allows you to free up necessary gigabytes easily. The app will help you delete junk, duplicates, and unnecessary apps in a couple of clicks. Try MacKeeper now! It makes sense to create a bootable USB flash drive to install the High Sierra operating system if you want to quickly install it on several Macs without having to download the installer each time. Creating a bootable drive with a High Sierra installer is quite simple. Basically, all you need is:. Well, your Mac might get slow due to system junk and other unneeded files. Therefore, you have to delete all this junk before backing up your data. One of the easiest ways to clean your Mac is to use an app such as MacKeeper that will easily and quickly delete all useless and duplicated files while keeping the useful stuff intact.

How to make bootable high sierra usb

A bootable install volume of macOS Making a USB install drive requires the usage of precise syntax at the command line with superuser privileges, using the wrong syntax could lead to unintended data loss. If the file size of the High Sierra installer is not over 5GB then you have the incomplete installer and will need to download the complete macOS High Sierra installer application as described here in order to create a bootable installer drive. Select the High Sierra installer at this screen. If you had previously created a boot installer for the High Sierra beta you may notice the syntax is different for createinstallmedia is different with the final version, part of that is to accommodate the new file name of the application installer, and the remainder removes the necessity of the —applicationpath flag and directive. Do you know of another approach to making a macOS High Sierra bootable install drive? Do you have an easier method, or do you have any particular tricks related to this process? Let us know in the comments.

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How to create a bootable installer for macOS - Apple Support. Any suggestions to get the boot installer setup on the USB? I may need to purchase a separate external drive, just for occasions like this. Talk about a vicious circle! DaBski says:. Get started with your Apple ID. Note the way the USB needs to be formatted. Welcome to Apple Support Community. To download macOS For a more detailed guide, check out our article on how to back up your Mac using Time Machine. Click Continue. You successfully managed to install a new macOS High Sierra in a clean way.

Maybe you've got multiple Macs and a limited amount of bandwidth, and don't want to download the entire operating system for every system. Or maybe you're looking to install the operating system from scratch.

Sign up and get: Effective tips on how to fix Mac issues. Select the volume containing the bootable installer. KewlWM says:. Sign in. Change the name of your drive to HighSierra. Please note that your Mac can't boot from a USB containing a macOS version older than the one the computer shipped with. Reliable advice on how to stay safe online. Start your computer with the bootable installer. Much appreciated!! From what's been said, it sounds like putting the installer on a thumb drive, which would be connected to the drive. Alex says:. How to create a bootable installer for macOS - Apple Support. Have you tried creating a bootable USB installer thumb drive? User level: Level 1.