Skip to content Skip to sidebar Skip to footer
Home / Mac Os X Mountain Lion Iso Usb Bootable Download Updated

Mac Os X Mountain Lion Iso Usb Bootable Download Updated

Post a Comment

Mac Os X Mountain Lion Iso Usb Bootable Download

How to create a bootable installer for macOS

You tin can employ an external drive or secondary volume as a startup disk from which to install the Mac operating system.

These avant-garde steps are primarily for system administrators and others who are familiar with the command line. You don't demand a bootable installer to upgrade macOS or reinstall macOS, only it can be useful when you desire to install on multiple computers without downloading the installer each time.

What y'all need to create a bootable installer

  • A USB flash drive or other secondary volume formatted equally Mac OS Extended, with at to the lowest degree 14GB of available storage
  • A downloaded installer for macOS Monterey, Big Sur, Catalina, Mojave, High Sierra, or El Capitan

Download macOS

The installer for macOS Monterey,macOS Large Sur,macOS Catalina,macOS Mojave, ormacOS High Sierra downloads to your Applications binder as an app named Install macOS [version proper name]. If the installer opens after downloading, quit it without continuing installation. To become the correct installer:

  • Download on a Mac that is compatible with that version of macOS.
  • Download on a Mac that is using macOS Sierra 10.12.5 or subsequently, or Bone X El Capitan 10.11.vi.
  • Enterprise administrators: Download from Apple tree, not a locally hosted software-update server.

The installer for OS 10 El Capitan downloads to your Downloads folder as a deejay image named InstallMacOSX.dmg. To become the installer:

  • Download using Safari, and open the disk epitome on a Mac that is compatible with Bone Ten El Capitan.
  • Within the disk paradigm is an installer named InstallMacOSX.pkg. Information technology installs an app named Install Os Ten El Capitan into your Applications binder. You will create the bootable installer from this app, not from the disk image or .pkg installer.

Use the 'createinstallmedia' command in Terminal

  1. Connect the USB flash drive or other book that yous're using for the bootable installer.
  2. Open up Terminal, which is in the Utilities binder of your Applications folder.
  3. Type or paste one of the following commands in Terminal. These assume that the installer is in your Applications binder, and MyVolume is the proper noun of the USB wink drive or other volume you're using. If it has a different proper name, replace MyVolume  in these commands with the proper name of your volume.

Monterey:* 

sudo /Applications/Install\ macOS\ Monterey.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume

Big Sur:* 

sudo /Applications/Install\ macOS\ Big\ Sur.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume

Catalina:* 

sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume

Mojave:* 

sudo /Applications/Install\ macOS\ Mojave.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume

High Sierra:* 

sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume

El Capitan: 

sudo /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume                --applicationpath /Applications/Install\ Bone\ 10\ El\ Capitan.app

* If your Mac is using macOS Sierra or earlier, include the--applicationpath argument and installer path, similar to the way this is washed in the command for El Capitan.


Later typing the control:

  1. Press Return to enter the command.
  2. When prompted, type your administrator countersign and press Return once more. Concluding doesn't prove whatsoever characters as y'all blazon your password.
  3. When prompted, typeY to confirm that you lot want to erase the volume, then press Return. Terminal shows the progress as the volume is erased.
  4. After the book is erased, you may see an alert that Terminal would like to admission files on a removable volume. Click OK to permit the copy to proceed.
  5. When Last says that it'south done, the volume will have the same proper noun every bit the installer you lot downloaded, such equally Install macOS Monterey. You lot can now quit Last and squirt the volume.
    Terminal window showing completed process

Apply the bootable installer

Apple silicon

  1. Plug the bootable installer into a Mac that is continued to the internet and compatible with the version of macOS you're installing.
    • The macOS version that came with the Mac is the earliest version it tin can use.
    • A bootable installer doesn't download macOS from the internet, just it does require an cyberspace connectedness to get firmware and other information specific to the Mac model.
  2. Plow on the Mac and continue to hold the power button until you lot see the startup options window, which shows your bootable volumes.
  3. Select the volume containing the bootable installer, then click Continue.
  4. When the macOS installer opens, follow the onscreen instructions.

Intel processor

  1. Plug the bootable installer into a Mac that is connected to the net and uniform with the version of macOS you're installing.
    • The macOS version that came with the Mac is the earliest version it can use.
    • A bootable installer doesn't download macOS from the internet, but it does require an internet connectedness to get firmware and other data specific to the Mac model.
  2. Press and concord the Pick (Alt) ⌥ key immediately after turning on or restarting the Mac.
  3. Release the Selection cardinal when you see a dark screen showing your bootable volumes.
  4. Select the book containing the bootable installer. So click the upwards arrow or press Return.
    If y'all can't beginning upwardly from the bootable installer, make sure that Startup Security Utility is ready to allow booting from external or removable media.
  5. Choose your language, if prompted.
  6. Select Install macOS (or Install OS X) from the Utilities window, and then click Continue and follow the onscreen instructions.

Learn more

For information about the createinstallmedia command and the arguments you can use with it, brand sure that the macOS installer is in your Applications binder, then enter the appropriate path in Final:

/Applications/Install\ macOS\ Monterey.app/Contents/Resources/createinstallmedia              
/Applications/Install\ macOS\ Large\ Sur.app/Contents/Resources/createinstallmedia              
/Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia              
/Applications/Install\ macOS\ Mojave.app/Contents/Resources/createinstallmedia              
/Applications/Install\ macOS\ High\ Sierra.app/Contents/Resource/createinstallmedia              
/Applications/Install\ Os\ X\ El\ Capitan.app/Contents/Resource/createinstallmedia

Published Date:

Maximum character limit is 250.

Cheers for your feedback.

Mac Os X Mountain Lion Iso Usb Bootable Download

Posted by: murraysairch.blogspot.com

You may like these posts

Post a Comment for "Mac Os X Mountain Lion Iso Usb Bootable Download Updated"