Once Install Disk Creator opens ( Figure A), click on the top drop-down and select the correct USB drive to be used. Simply download the file, open up finder, change into the directory housing the download, and double-click on the downloaded file. This particular app is a self-contained piece of software, so there’s no actual installation to be done. The tool we will be using is called Install Disk Creator. The USB does not have to be formatted in any particular way, as the installer will take care of this for you. Once the download has completed, insert your USB drive and you’re ready to go. If you’ve already downloaded the file–it’ll be listed as Open (otherwise, click Download). To get this software, open the App Store and search for “High Sierra.” After clicking on the entry, you will either see an Open or Download button. The first thing you must do is download the installer file from the App Store. I’ve used this inexpensive solution without fail. Don’t forget, if this is a standard USB flash drive you’ll need an adapter for the USB C ports on the laptop. You don’t want to create your installer drive and accidentally erase the installer files while working with a spreadsheet or presentation. I highly recommend at least a 12GB flash drive that will be used solely for this purpose. You will need an internet connect and a flash drive with a minimum of 5GB of space. I’ll be demonstrating this on a 2017 MacBook Pro with High Sierra. If you know such a USB drive is in your future, but do not want to toy with the terminal, you’re in luck–the process can be done with the help of a handy GUI. We’ve already covered how to do this from the command line (See How to create a bootable USB to install OS X), but I wanted to give those with a fear of the command line a way to do the same thing. With this handy flash drive, you can reinstall macOS, should something go awry. Stop! Before you do anything to that costly (and wonderful) piece of hardware, you should consider creating a USB installer drive for macOS. You bought that shiny new MacBook Pro or iMac, and you’re ready to start working. With the help of a GUI, Jack Wallen shows you how to create a handy flash drive for macOS. Your new Mac doesn't include an installation media. If you hate Paypal, but still want to show your support, please get in touch with me so we can find a solution.ĭonate Download DiskMaker X Pro 1.How to create a bootable USB installer drive for macOS You can use the macOS Install Catalina app from a previous OS with DiskMaker X Pro though.ĭiskMaker X Pro is donationware. If you like it, you can make a small (or huge □ ) donation here. Warning! DiskMaker X Pro will not run on macOS Catalina yet. You will get a lot more informations in the Documentation included in the DiskMaker X Pro disk image after download, but you can also read the manual here in glorious PDF file format. You can find a list of all the available macOS / OS X download installers on the Download page. You will also need a macOS or OS X install app.64 GB or more minimum if you want your drive to be able to install any OS from OS X El Capitan to macOS Catalina. THIS DISK WILL BE COMPLETELY ERASED!!! Reserve it exclusively for DiskMaker X Pro at this time. DiskMaker X Pro is a perfect tool for Apple technicians performing on-site repairs, allowing to restore any OS in a few clicks. And each OS will only take the space needed on the drive, keeping all the remaining space of the disk in an Other_Stuff partition so that you can keep other tools as well. Follow the instructions, copy your installers in the right folder, and within a few minutes, you’ll get a disk with every macOS / OS X installer released in the past seven years, each one being bootable. Provide the installers, name your disk DMX-Target and launch DiskMaker X Pro. But was happens if you want to build a disk with different versions of the macOS Install app ? Using DiskMaker X, you would need to prepare your drive with multiple partitions, create an install disk on one partition, and then rince, repeat with every version of the macOS or OS X Install app.ĭiskMaker X Pro is DiskMaker X, on steroids. DiskMaker X was designed to create a single drive from a macOS install application.
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