How to Wipe a Computer Clean of the Personal Data – Guide

Last fall, Apple released computers using its own M1 processor, also known as Apple’s silicon. You will need to perform different steps to perform a factory reset on one of them (see below).

Before starting, be sure to back up important files and exit iCloud. This can be done in the Apple ID section of the System Preferences application. ..

Copy your keyring to a flash drive so you don’t have to remember your WiFi password at the coffee shop or online retailer.

To perform a factory reset on Intel-based Macs, hold down Shift + Option + Command + R while starting up your Mac until the Apple logo appears on the screen. This will reinstall the operating system that came with your Mac. Alternatively, you can hold Command + R to reinstall the latest MacOS installed on your Mac, or Option + Command + R to update to the latest version of the operating system that your computer supports .

After doing this, the Utilities window will appear. In the middle of the screen, open Disk Utility and erase the internal hard drive. Be sure to select the disk, not the volume name listed below it. Then select the MacOS Extended (Journaled) format and close Disk Utility when the process is finished.

To reinstall the original operating system, navigate back to the Utilities window and choose Reinstall MacOS (or OSX). ..

After reinstallation, the Mac will start the setup process. If you’re selling your computer, you can skip the setup by pressing Command + Q and let the new owner complete the process.

If you’re using an M1-based Mac and you haven’t updated to the latest version of MacOS, Apple recommends that you do so before continuing. You can do this by clicking System Preferences in the Apple Menu in the upper left corner and clicking Software Update. When finished, turn off your Mac and turn it on again while holding down the power button. button. Eventually, a screen will appear with a black background and two icons: your hard drive (called Macintosh HD unless you change it) and Options. Click Options. On an M1-based Mac if you haven’t updated to the latest version of macOS, Apple recommends doing so before proceeding. You can do this by clicking System Preferences in the Apple Menu in the upper left corner and clicking Software Update. When finished, turn off your Mac and turn it on again while holding down the power button. button. Eventually, a screen will appear with a black background and two icons: your hard drive (called Macintosh HD unless you change it) and Options. Click Options ..

If you have a Time Machine backup, you can erase the hard drive and start fresh by following these steps:

  1. In the Finder, select the hard drive you want to erase
  2. Click the Go menu and select Erase Disk
  3. Enter a new name for the disk (Macintosh HD, for example) and click Erase
  4. Select APFS as the format and click Erase ..

To erase a volume group on your Mac:

  1. Open the System Preferences window.
  2. Click on the Security & Privacy icon.
  3. Click on the Volume Groups tab.
  4. Click on the name of the volume group you want to erase and then click Erase Volume Group.
  5. Enter your Apple ID when prompted and click Erase Mac and Restart.
  6. Follow the onscreen instructions, which include things like selecting your WiFi language and password ..

Final note

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