Then you need to check the name and path of your USB drive. You'll be asked to enter your Mac's password. Tip: If you didn't download the installer from Mac App Store, you must modify the file path after "applicationpath".Īfter pasting the command on the Terminal, hit Enter key. Sudo /Applications/Install\ OS\ X\ Mavericks.app/Contents/Resources/createinstallmedia -volume /Volumes/FlashInstaller -applicationpath /Applications/Install\ OS\ X\ Mavericks.app –nointeraction Sudo /Applications/Install\ OS\ X\ Yosemite.app/Contents/Resources/createinstallmedia -volume /Volumes/FlashInstaller -applicationpath /Applications/Install\ OS\ X\ Yosemite.app –nointeraction Sudo /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia -volume /Volumes/FlashInstaller -applicationpath /Applications/Install\ OS\ X\ El\ Capitan.app –nointeraction Sudo /Applications/Install\ macOS\ Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/FlashInstaller -applicationpath /Applications/Install\ macOS\ Sierra.app -nointeraction Sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/FlashInstaller -applicationpath /Applications/Install\ macOS\ High\ Sierra.app -nointeraction Launch Terminal enter the following command according to the version of Mac operating system that you are dealing with. Step 4 Create A Bootable USB Drive of macOS/OS X If you don't want to modify the command, change the name of your flash drive into FlashInstaller. If your USB drive has a different name, replace FlashInstaller in the command with the name of your USB drive. The following command is to create a bootable copy of Mac OS installer on a USB drive named FlashInstaller. Step 3 Check the Name of Your Flash Drive Therefore, make sure there is nothing important on your flash drive before you continue with the following steps. IMPORTANT: The contents of the drive will be erased after creating a bootable installer drive.
In fact, USB drives with larger storage, like 32 GB to 64 GB, tend to show better performance. If you need to create a bootable USB drive of macOS High Sierra, 16 GB USB flash drive is suggested. You should have a USB drive with at least 8 GB of storage and insert the USB drive into your Mac. Step 2 Get A USB Drive with Sufficient Storage Note: After downloading the Mac OS installer, do not install the OS but quit the installer. To download the installer of macOS Sierra, go to Apple Support. However, Apple has decided that macOS Sierra and later will no longer be listed in Mac App Store's Purchased. To download the older Mac OS X version, you can go to App Store > Purchases to download the Mac OS X El Capitan, Yosemite, Mavericks that has been previously downloaded. To install the latest Mac OS, for example, macOS High Sierra, you can search and download the installer from App Store. The first thing to do is to download the Mac operating system that you need. The most recommendable way to create a bootable install USB drive for Mac OS is using 'createinstallmedia' Command with Terminal application. Use 'createinstallmedia' Command in Terminal This tutorial will introduce you three ways to create bootable USB drive for macOS High Sierra, macOS Sierra, Mac OS X El Capitan, Yosemite, Mavericks and more. If the problem is minor you can start in Safe mode that will correct some minor issues.To install macOS or OS X from USB, you need to create a bootable install USB drive for Mac operating system. You can open the terminal and use the fsck -fy to check repair the disk. If the MBP boots in the Recovery mode using cmd-r then follow that process to restore your OS installation, or use the Disk Utility to check/repair the disk. If problems reoccurs get another USB stick with minimum of 8 Gig capacity (not partitioned). 30%.100%.Ĭopying installer files to disk…(this part can take 30 minutes) sudo /Applications/Install\ OS\ X\ Mavericks.app/Contents/Resources/createinstallmedia -volume /Volumes/Mavericks -applicationpath /Applications/Install\ OS\ X\ Mavericks.app -no interaction.Įrasing Disk: 0%.
This can be done from the Erase tab within the app make sure the USB drive does not have multiple partitions (that can happen, so turn to the Partition tab to verify and correct this). I used this proces to make a bootable USB:įormat it, using Disk Utility, as a Mac OS Extended (Journaled) drive, named Mavericks. To create a bootable USB you will need a Mavericks Installer package from Apple Store the 5.5 Gig file saved to MBA- but not run. We are dealing with 2 different problems.