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These steps will completely and irrecoverably erase everything on your Mac. You can find that in the Apple menu > About This Mac.

Take note of what system version you are running, as some of these instructions will vary depending on the version.

If you are buying a used Mac, none of the previous owner’s configuration will mess things up.If you are selling or recycling your Mac, none of your personal information remains.Here is how to properly erase a Macintosh, ensuring that: Or worse yet a malicious security threat or connections to their old account. Sellers sometimes just delete their documents, leaving poorly configured and obsolete apps lying around. Click “System Preferences” in the menu bar and choose “Erase All Content and Settings” in the menu.Updated December 2, 2020: added information for new Macs with Apple processors.Īll too often I’ve seen people buy a used Mac only to find that the seller did not properly erase the Mac first. When System Preferences opens, ignore the window that appears and look at top of the screen again. In the menu that appears, select “System Preferences.” To get started, click the Apple icon on the menu bar in the upper-left corner of the screen. If you have a Mac that uses Apple Silicon or has a T2 Security Chip running macOS Monterey or later, you can quickly wipe your Mac using System Preferences.

RELATED: How to Update Your Mac and Keep Apps Up to Date How to Erase all Content and Settings on a Newer Mac Luckily, we’ve laid out how to do that in a separate article aimed at older machines, but we will also cover the process briefly below.Īlternatively, if the Mac you want to wipe includes a T2 chip or Apple Silicon and supports upgrading to macOS Monterey or later, you could perform the OS update first before using the “Erase All Content and Settings” feature to wipe your Mac. If you have a Mac running a version of macOS older than macOS Monterey-or your Mac lacks the hardware features mentioned above-you’ll need to perform a more complex series of steps to factory reset your Mac, such as reinstalling a copy of macOS from Recovery mode.