For a MacBook, starting over would be a factory reset. A factory reset is exactly what it sounds like: erasing everything in order to restore a MacBook to how it would have been leaving the factory.

How to factory reset a newer MacBook on macOS Monterey or later Newer MacBook models have an erase assistant built in to their settings to help you quickly clear your data and factory reset your ...

Thankfully, you’ll need to follow a few simple steps to reset your Mac or MacBook to factory settings.

Looking to reset your computer to its factory settings? Apple has made it a little easier since macOS Monterey, but you have options no matter your Mac or OS version.