If a wireless network is available, you can choose it from the Wi-Fi menu, which is also available in macOS Recovery.

If you need to erase before installing macOS, select Disk Utility from the Utilities window, then click Continue.

Formatting Usb Er Mac Might Restart

During installation, your Mac might restart and show a progress bar several times, and the screen might be empty for minutes at a time.

When the new owner starts up the Mac, they can use their own information to complete setup.

To create this article, volunteer authors worked to edit and improve it over time.

USB drives can be formatted on your Mac using the Disk Utility application.

Your USB drive will now be formatted and ready for use on your Mac computer.

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