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#Create a bootable usb flash drive for mac how to#
#Create a bootable usb flash drive for mac mac os x#
#Create a bootable usb flash drive for mac install#
#Create a bootable usb flash drive for mac portable#

These commands assume that the installer is in your macOS “ Applications” folder and that “ boot_partition” is the name of the USB flash drive or other volumes you are using.

Type or paste one of the following commands in the Terminal.

Open the Applications -> Utilities-> Terminal app.

Connect the USB flash drive or other volumes to be used to save the bootable installer.

Use The “createinstallmedia” Command In The Terminal.

Partition name: boot_partition (this name is used in this example, you can customize it, please note that boot_partition in the terminal command below should also be changed to your customized name).Ģ.

#Create a bootable usb flash drive for mac mac os x#

The disk format should be Mac OS X extension (Journaled).

Use “Disk Utility” to erase the above-mentioned media or partitions, the requirements are as follows.

It is recommended to use USB external storage to avoid erasing the entire internal disk for major version updates.

Use the system “Disk Utility” to create a new partition, which is suitable for experienced users.

#Create a bootable usb flash drive for mac portable#

USB Portable Hard Drive: such as USB SSD portable hard disk is better.

U Disk: Catalina and above versions require a U disk with a capacity of 16G and above, and other versions require a U disk with a capacity of 8G.

You can use one of the following three media, U-Disk, USB Portable Hard Drive, Create A New Partition.

#Create a bootable usb flash drive for mac install#

Click the package in PKG format will automatically install it to the “Applications” folder according to the prompts.Packages in DMG or ISO format need to be opened and dragged to the “Applications” folder.Apps downloaded in the Mac App Store will be automatically saved in the “Applications” folder.Make sure that the downloaded installation package is in the “Applications” folder.Choose the corresponding macOS system version according to your computer model.

Wait for the return of the Terminal prompt signifying the process has completed. You will be asked for your admin password. Sudo /Applications/Install\ OS\ X\ Mavericks.app/Contents/Resources/createinstallmedia -volume /Volumes/MyVolume -applicationpath /Applications/Install\ OS\ X\ Mavericks.app Sudo /Applications/Install\ OS\ X\ Yosemite.app/Contents/Resources/createinstallmedia -volume /Volumes/MyVolume -applicationpath /Applications/Install\ OS\ X\ Yosemite.app Sudo /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia -volume /Volumes/MyVolume -applicationpath /Applications/Install\ OS\ X\ El\ Capitan.app Sudo /Applications/Install\ macOS\ Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/MyVolume -applicationpath /Applications/Install\ macOS\ Sierra.app Sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/MyVolume -applicationpath /Applications/Install\ macOS\ High\ Sierra.app Paste that entire command line from below at the Terminal's prompt: Choose the appropriate command line (in red) depending upon what OS X installer you want.

Open the Terminal in the Utilities' folder.

Click on the Apply button and wait for the Done button to activate.

Set the Format type to Mac OS Extended (Journaled.)

In the drop down panel set the partition scheme to GUID.

Click on the Erase tab in the Disk Utility toolbar.

After Disk Utility loads select the drive (out-dented entry with the mfg.'s ID and size) from the side list.

Open Disk Utility in the Utilities' folder.

You will need an 8GB or larger USB flash drive that has been partitioned and formatted for use with OS X. Simply replace the Terminal command with the one from the preceding article by copying it into the Terminal window.

#Create a bootable usb flash drive for mac how to#

Second, see this How To outline for creating a bootable El Capitan installer. Bootable USB Installers for OS X Mavericks, Yosemite, El Capitan, and Sierraįirst, review this introductory article: Create a bootable installer for macOS.