How to Completely Erase Your Mac Before Selling It

Before you sell or give away your Mac, it’s crucial to erase all your data and settings securely. This guide walks you through the complete process—step-by-step
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Published: Jul 24, 2025 - 22:02
How to Completely Erase Your Mac Before Selling It
How to Completely Erase Your Mac Before Selling It Easy steps to follow

How to Completely Erase Your Mac Before Selling It (macOS Ventura & Later)

Before you sell or give away your Mac, it's crucial to erase all your data and settings securely. This guide walks you through the complete process—step-by-step—for wiping your Mac clean, signing out of all accounts, and restoring it to factory settings using macOS Ventura or later. Whether you're using a MacBook Air, MacBook Pro, or iMac, follow these simple steps to protect your privacy and prepare your device for its new owner.

✅ Step 1: Back Up Your Data

Before you erase anything, back up your Mac using Time Machine or manually copy important files to an external drive or cloud service like iCloud, Dropbox, or Google Drive.

✅ Step 2: Sign Out of All Accounts

Make sure you're signed out of Apple services to avoid activation lock:

  • Sign out of iCloud: Go to System Settings > [Your Name] > iCloud > Sign Out
  • Sign out of iMessage: Open the Messages app > Preferences > iMessage > Sign Out
  • Sign out of iTunes/App Store (if needed): Open Music or iTunes > Account > Sign Out

✅ Step 3: Erase All Content and Settings (macOS Monterey & Later)

  1. Go to System Settings > General > Transfer or Reset > Erase All Content and Settings
  2. Enter your admin password when prompted
  3. Confirm you want to erase everything

This will wipe all your data, remove your Apple ID, and reinstall macOS. Ideal for Macs with Apple Silicon or a T2 chip.

✅ Step 4: Erase Manually Using macOS Recovery (for Older macOS)

  1. Restart in Recovery Mode:
    • Intel Macs: Hold Command + R while restarting
    • Apple Silicon: Hold the Power button until “Options” appears > click “Options” > Continue
  2. In macOS Utilities, choose Disk Utility, select Macintosh HD, and click Erase
  3. Close Disk Utility and select Reinstall macOS from the main menu

✅ Step 5: Verify It’s Ready for the New Owner

Once macOS is reinstalled:

  • The Setup Assistant will appear — don't complete it
  • Power off your Mac and it's ready for the new owner

????️ Extra Tips:

  • Remove the Mac from your Apple ID at appleid.apple.com
  • Include the power adapter and accessories if selling

Wiping your Mac properly before selling ensures your data stays private and the next owner gets a fresh start. Whether you're on an older Intel Mac or a new Apple Silicon machine, following this guide ensures a clean, safe reset.

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