How to reset and prep Macbook Air for selling on eBay
macOS Monterey An erase assistant then opens. Follow the onscreen instructions to erase your Mac and restore it to factory settings. Before the erase begins, you will see a summary of all the settings, media, data, and other items that will be erased or turned off. Your Mac then restarts and briefly shows a black screen or progress bar. Your Mac then activates. Click Restart. After your Mac restarts, a setup assistant guides you through the setup process, as if