Open InstallESD volume in Finder, select Packages folder and copy them to System/Installation folder on USB drive (OS X Base System). Select the USB drive from the list of disks, click on Restore icon and use OS X Base System option as a source.
Navigate to Contents/SharedSupport ► Mount InstallESD.dmg file and BaseSystem.dmg fileĬonnect USB drive and open Disk Utility (/Applications/Utilities) Now Open Finder ► Applications ► Install macOS High Sierra.app ► right click ► Select Show Package Contents option. This command allows you to view hidden files in Finder. Create macOS High Sierra installation USB flash drive with Disk Utility and Finderĭefaults write AppleShowAllFiles 1 & killall Finder To install macOS High Sierra ► restart computer ► hold the Option (ALT) key and select Installation USB drive from the menu.
Wait a few minutes until your macOS High Sierra installation USB drive will be ready. In our case "Untitled" is the name of USB flash drive! Replace "Untitled" by name of your flash drive. Sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/Untitled -applicationpath /Applications/Install\ macOS\ High\ Sierra.app -nointeraction &say Done The createinstallmedia is a command line tool, which allows users to simply create installation drive, distributed with macOS High Sierra installer.Īfter you have prepared your USB flash drive and downloaded the macOS High Sierra Installer from the App Store, open the Terminal and type command: The minimal capacity of USB drive must be of at least 8 GB.Ĭreate macOS Sierra installation USB flash drive with createinstallmedia tool 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 Disk Utility and Finderįirst step - Get macOS High Sierra installation app and prepare USB flash driveĭownload macOS High Sierra installer (Install macOS High Sierra.app in Applications folder) from Mac App Store.Create installation USB flash drive with createinstallmedia tool.How to create macOS Sierra USB installation flash drive
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