Insights Technical Hub How to reset a Macintosh to factory defaults

How to reset a Macintosh to factory defaults

Introduction:

If your Macintosh computer needs to be reset to factory defaults due to OS errors, or any other reason, you can use a series of commands to accomplish this.

Requirements:

Local access to a Macintosh computer.

Procedure:

Boot OS with Power button.

Then hold cmd & S.

Press enter once get to root prompt.

At the prompt, type:

mount -uw /
rm /var/db/.AppleSetupDone
shutdown -h now