Apple Footer. This site contains user submitted content, comments and opinions and is for informational purposes only. Apple may provide or recommend responses as a possible solution based on the information provided; every potential issue may involve several factors not detailed in the conversations captured in an electronic forum. Discuss: How to factory reset a Mac Sign in to comment. Be respectful, keep it civil and stay on topic. We delete comments that violate our policy, which we encourage you to read. Before you sell, give away, or trade in your Mac, you should back up your computer, disable some features and services, and restore to factory settings by erasing the hard drive and reinstalling macOS. To start up from macOS Recovery, turn on your Mac and immediately press and hold one of the following combinations on your keyboard. Release the keys when you see an Apple logo, spinning globe, or other startup screen. What do I do with a Mac that still has personal data on it? Do I take out the disk drive and smash it? Do I sweep it with a really strong magnet? Is there a difference in how I handle a hard drive (HDD) versus a solid-state drive (SSD)? Well, taking a sledgehammer or projectile weapon to your old How to Wipe a Mac Clean. This wikiHow teaches you how to delete all the data, files, applications, and settings on your Mac computer. Back up any data you want to save. Wiping your Mac will erase everything, including your operating. We may earn a commission for purchases using our links. Learn more. Out with the old How to reset your Mac before selling it How do I clear my Mac so I can sell it? How to wipe a MacBook Pro/Air and restore to sell on eBay or give away. WD External Hard Drive on Amazon. How To Wipe a Mac Clean, Clean, Clean to Sell/ Give Away OSX Sierra - Duration: 8:43. Take a Bath Productions 24,676 views. 8:43. If you’re selling or giving your Mac to someone else or are just looking to make a fresh start, wiping your Mac and reinstalling a fresh copy of macOS (previously called OS X) is probably on your to-do list. Before we jump in to the process of how to factory reset your MacBook Pro, make sure […] Want to restore or sell your Mac? AppleInsider covers the step-by-step process of backing up your files, wiping the hard drive and restoring everything on a.