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Imac how to create a bootable installer for mac os x install#
Imac how to create a bootable installer for mac os x update#
Imac how to create a bootable installer for mac os x professional#

A downloaded installation file for whichever MacOS (of the ones listed above) you’d like.ģ.

In order to create a bootable installer, there are three things you must possess:ġ.A USB external drive that can plug into the Mac device you need it to, and contains at least 16GB of available storage, though in this case more is better.Ģ. What you need to create a bootable USB for Mac

Imac how to create a bootable installer for mac os x install#

You can run an OS installer like Windows, OSX, Mac, or specific versions of Linux from a bootable USB drive.įor Mac specifically, you can use a bootable USB to install MacOS Monterey, MacOS Big Sur, Catalina, Mojave, High Sierra, or El Capitan. Whether a computer is brand new or becomes unusable from a compromised OS, you can use a bootable USB to install an operating system. That being said, many new Mac laptops don’t have USB-A ports, so it’s a good idea to obtain an external port that connects to a USB-C (USB Type C) port to really make the process easy-ish.Ī bootable USB is a flash drive that allows you to both install an operating system (OS), and boot the computer from the external USB drive instead of the computer’s hard drive. The good news is there’s an easy(ish) workaround!īy booting from an external drive, like a USB for example, you can diagnose certain issues by accessing the internal drive with minimal effort.

Imac how to create a bootable installer for mac os x professional#

What is Professional Services Automation (PSA)?Įvery computer may not boot up every once in a while, which can be irritating because it prevents you from getting into the system to view exactly what the problem is.

The Sierra and El Capitan commands show the proper format of this argument. * If your Mac is using macOS Sierra or earlier, include the argument -applicationpath. 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 Sudo /Applications/Install\ macOS\ Mojave.app/Contents/Resources/createinstallmedia -volume /Volumes/ MyVolume 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 Sudo /Applications/Install\ macOS\ Mojave.app /Contents/Resources/createinstallmedia -volume /Volumes/MyVolume -applicationpath /Applications/Install\ macOS\ Mojave.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. Second, see this How To outline for creating a bootable El Capitan installer.

Imac how to create a bootable installer for mac os x update#

It can only update an existing 10.14 system.īootable USB Installers for OS X Mavericks, Yosemite, El Capitan, and Sierraįirst, review this introductory article: Create a bootable installer for macOS. It cannot install a complete macOS that is bootable.