![]() We’re going to run the “createinstallmedia” file in Terminal. The easiest way to do this is to press Command-Space Bar to open Spotlight, then type in “terminal” (without the quote marks)and press enter. Find the file named “createinstallmedia” (see image above).The “createinstallmedia” file is critical to this process You’ll see the many files that make up the Resources folder: Right-click, select “Show Package Contents” Right-click on the downloaded installer application (“Install macOS Sierra Public Beta”), then select Show Package Contents (see image below).How to re-download the macOS Sierra Public Beta installer file Once the file is downloaded (it’s about 5 GB in size), make sure you know where it is (hint: it should be in your Applications folder). Note that if you have already installed Sierra on a Mac, you won’t be able to find the installer! However, you can re-download it by launching the Mac App Store, clicking on “Purchased”, finding the installer, and then clicking the Download button (see image below). The downloaded “macOS Sierra Public Beta” file.The OWC Dual USB Flash Drive or LaCie Porsche Design USB 3.0 Drive is perfect for this! Be sure that it’s erased and plugged into your Mac, and that it is visible on your Mac desktop. Note that this can be a USB flash drive, a small external hard disk drive or solid-state drive it makes no difference. A USB drive (preferably USB 3.0) with a capacity of at least 8GB.This can be useful in enterprise situations, where it may be advantageous to determine ahead of time which devices will be able to take advantage of macOS Sierra and which may need to be repurposed. Today we’re going to show you how to make a macOS Sierra USB installer drive in case you wish to install the beta operating system onto multiple Macs. Moreover, we appreciated DiskMaker X's uncluttered interface with clear and easy to follow instructions that can be followed even by the most inexperienced Mac users.During the past week or so, the Rocket Yard has brought you a pair of articles about macOS Sierra’s early beta test features and how to install the public beta version of the operating system. Intuitive interface and smooth-running utility for all types of Mac usersĭiskMaker X comes as an answer for Mac users that need a quick, simple and reliable way to create bootable USB drives and disk drives that can be used to install or reinstall the operating system on various Macs. However, if you decide to use another type of disk, DiskMaker X will only erase the selected volume, leaving other disks and volumes untouched. Consequently, it is recommended to backup your data on another disk before initiating the building process. It is also worth mentioning that DiskMaker X will erase the entire content, including other volumes on the thumb drive you want to use as a bootable disk. Carefully backup your data and prepare the targeted USB drive or disk volume If the found macOS installation package is not the one you want to use for the bootable drive, you always have the option to use another copy and browse your Mac’s hard disk for the desired installer. DiskMaker X is capable to automatically find the macOS install packages with the help of Spotlight. One of the first things you need to do once you launch DiskMaker X, is to select the version of macOS of which you want to make a boot disk of. Helps you to effortlessly and quickly create bootable drives with different macOS versionsĭiskMaker X comes with a user-oriented interface and an intuitive built-in wizard that makes it easy for you to find the macOS install app and create a bootable install disk. DiskMaker X is a lightweight and very easy-to-use macOS utility specially made to help you create a bootable drive from macOS installer packages, with support for the last three macOS releases, from Mavericks (10.9) to Catalina (10.15).
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