How to Factory Reset a MacBook Air, MacBook Pro, or Any Mac - How-To Geek
https://www.howtogeek.com/806350/how-to-factory-reset-a-macbook-air-macbook-pro-or-any-mac/
webMay 23, 2022 · If you're giving your Mac to someone else, press Command+Q at Setup Assistant and shut down the Mac. When you power it back on, press Option+Command+P+R and hold it for about 20 seconds. This will reset the NVRAM, which clears user settings from a special type of memory on your Mac.
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