You can do this using the command convert GPT. Next, you need to convert the flash drive from MBR to GPT. Using the clean command, you can now delete all files on your USB flash drive. In the command below, X refers to your USB flash drive. This allows you to see which disk corresponds to your USB flash drive. list diskĪt this point, Diskpart will show all drives.

This allows you to locate your USB flash drive using the list disk command. This command loads the command-line disk partitioning utility Diskpart. Once Command Prompt has loaded, enter this command: diskpart Be sure to select Run as Administrator when launching Command Prompt. This can be done by entering CMD or Command Prompt in the Windows search bar at the bottom right-hand side of Windows. To do this, you need to connect your USB flash drive to your computer and load Command Prompt. GPT is also known as the GUID Partition Table. The first thing you need to do is create a GPT partition on your USB flash drive. Creating a GPT Partition On Your USB Flash Drive Once you have downloaded TransMac and the macOS DMG file, you can prepare your USB flash drive. You can now quit Terminal and eject the volume.MacOS DMG files can be downloaded from the Apple Downloads page.

When Terminal says that it's done, the volume will have the same name as the installer you downloaded, such as Install macOS Monterey.

After the volume is erased, you may see an alert that Terminal would like to access files on a removable volume.

Terminal shows the progress as the volume is erased.

When prompted, type Y to confirm that you want to erase the volume, then press Return.Terminal doesn't show any characters as you type. When prompted, type your administrator password.If the volume has a different name, replace MyVolume in the command with the name of your volume. Each command assumes that the installer is in your Applications folder, and MyVolume is the name of the USB flash drive or other volume you're using. Type or paste one of the commands below into Terminal, then press Return to enter the command.Open Terminal, which is in the Utilities folder of your Applications folder.Plug in the USB flash drive or other volume that you're using for the bootable installer.

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