how to make a bootable usb for mac os x using poweriso

Make A Bootable Usb Using Power Mac OS Extended And

Select Install macOS (or Install OS X) from the Utilities window.

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Guillaume Gte, the developer of DiskMaker X, has decided to call it quits with the venerable utility.

Though using the createinstallmedia command works fine from the Terminal, managing to embed it in a meaningful and easy-to-use way seems impossible for me now.

Besides, Ive been working on a lot of other projects in the last years, my own company needs me a lot more, and I feel I went from a fun project for something that seemed to be a life-changer (ok, maybe not that big, but still quite big) tool for many of you, and Im really, really happy for this.

For macOS Big Sur, macOS Catalina, macOS Mojave or macOS High Sierra, the links download an installer directly into your app folder.

Make A Bootable Usb Using Power Mac OS Extended And

For this article, I used a 2TB USB hard disk drive erased and formatted as Mac OS Extended and given the name Installer.

Find the Terminal app in the Utilities folder of your Applications folder.

Launch the app. At the Terminal prompt, type or copy and paste (easier and more accurate) one of the following commands.

These commands are dependent on the installer being in your Applications folder.

In each command, replace the name MyVolume with the name of your volume.

Youll be prompted to type your administrator password and press Return again.

Note that for security, Terminal doesnt display characters as you type your password.

When youre asked, type Y to confirm that you want to erase your bootable installer volume, then press Return.

Eject the volume by dragging it to the Trash or right-clicking and selecting Eject from the menu.

To see if your Mac uses Apple silicon, select About This Mac from the Apple () menu.

If it shows Apple M1 or another Apple chip, then follow the Apple silicon instructions.

Turn on the Mac and continue to hold down the power button until you see the startup options window.

It displays all bootable volumes (which should be your installer and the internal drive on your Mac), and a gear icon labeled Options.

Select the volume with the bootable installer, then click Continue.

Restart or turn on your Mac, then immediately press and hold the Option (Alt or ) key.

Release the Option key when a dark screen appears displaying your bootable volumes.

How To Make A Bootable Usb For Mac Os X Using Poweriso