How to create macOS Sierra installation USB flash drive with Disk Utility and Finder To install macOS Sierra ► restart computer ► hold the Option key and select Installation USB drive from the menu. Now wait until your bootable installation flash drive with macOS 10.12 Sierra is made. Hdiutil detach /Volumes/OS\ X\ Install\ ESD Sudo cp -a /Volumes/OS\ X\ Install\ ESD/BaseSystem.dmg /Volumes/OS\ X\ Base\ System Sudo cp -a /Volumes/OS\ X\ Install\ ESD/BaseSystem.chunklist /Volumes/OS\ X\ Base\ System Sudo cp -a /Volumes/OS\ X\ Install\ ESD/Packages /Volumes/OS\ X\ Base\ System/System/Installation/Packages Sudo rm /Volumes/OS\ X\ Base\ System/System/Installation/Packages Sudo asr restore -source /Volumes/OS\ X\ Install\ ESD/BaseSystem.dmg -target /Volumes/Untitled -erase -format HFS+ Sudo hdiutil attach /Applications/Install\ macOS\ Sierra.app/Contents/SharedSupport/InstallESD.dmg When your USB flash drive is ready and macOS Sierra installer downloaded from the App Store ► Open Terminal and type the following sequence of commands: How to create macOS Sierra installation USB flash drive with Terminal Wait a few minutes until your macOS Sierra installation USB drive is ready. In our case "Untitled" is the name of USB flash drive! Replace "Untitled" by name of your flash drive. Sudo /Applications/Install\ macOS\ Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/Untitled -applicationpath /Applications/Install\ macOS\ Sierra.app -nointeraction &say Done When you have prepared your USB flash drive and the macOS Sierra Installer is downloaded from the App Store ► open Terminal and type command:
The createinstallmedia is a command line tool, which allows users to simply create installation drive, distributed with macOS Sierra installer. How to create macOS Sierra installation USB flash drive with createinstallmedia tool
The minimal capacity of USB drive must be of at least 8 GB. If you did not already, you will have to format the USB drive with GUID Partition Table scheme selected and name it as Untitled.
Prepare a USB flash drive with the Apple Disk Utility. Create installation USB flash drive with DiskMaker Xįirst step - Get OS X Sierra installation app and prepare USB flash driveĭownload macOS Sierra installer (Install macOS Sierra.app in Applications folder) from Mac App Store.Create installation USB flash drive with Disk Utility and Finder.Create installation USB flash drive with Terminal.Create installation USB flash drive with createinstallmedia tool.Four ways how to create macOS Sierra USB installation flash drive
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