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- If you want to erase any other type of storage device: Double-click Disk Utility in the /Applications/Utilities folder. Choose View > Show All Devices. In the sidebar, select the storage device you want to erase, then click. Click the Scheme pop-up menu, then choose GUID Partition Map.
support.apple.com/guide/disk-utility/erase-and-reformat-a-storage-device-dskutl14079/mac
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Go to the Disk Utility app on your Mac using one of the following methods, depending on the type of disk or volume you want to erase: If you want to erase your startup disk: Start up your computer in macOS Recovery, then choose Disk Utility in the Recovery app.
- Resize a Disk Image
Go to the Disk Utility app on your Mac. If Disk Utility...
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Open System Preferences>Accounts, unlock the lock, click on the little plus icon, make a new admin account, log out & into the new account. In the same pref pane highlight your old account, click the little minus icon, then use Disk Utility to Secure Erase Free Space.
- Overview
- Use Erase All Content and Settings
- If you can't use Erase All Content and Settings
Use Erase All Content and Settings to quickly and securely erase all settings, data, and apps, while maintaining the operating system currently installed.
Erase All Content and Settings is available only in macOS Monterey or later, and only on a Mac with Apple silicon or a Mac with the Apple T2 Security Chip. If this feature isn't available or doesn't work on your Mac:
•To both erase your Mac and reset it to factory settings, follow the steps in what to do before you sell, give away, or trade in your Mac, but disregard the instructions for using Erase All Content and Settings.
•To only erase your Mac without resetting it to factory settings, learn how to erase a Mac with Apple silicon or erase an Intel-based Mac.
•When using Erase All Content and Settings, if you see a message explaining that other volumes need to be erased before you can erase all content and settings, you might have used Boot Camp to install Microsoft Windows. In that case, use Boot Camp to remove Windows and its partition.
If you need help, contact Apple Support.
No matter the model or condition, we can turn your device into something good for you and good for the planet: Learn how to trade in or recycle your Mac with Apple Trade In.
Oct 26, 2023 · If you want to wipe your Mac's internal storage so you can safely sell it or give it to someone else, you need to do a full factory reset. This will not only erase the internal drive, but also reinstall macOS from the internet so it's ready to be set up again.
- Justin Pot
- Former News Editor
Sep 27, 2024 · Use Disk Utility to erase your Mac. Start up from macOS Recovery: Press and release the power button to turn on your Mac, then immediately press and hold these two keys on your keyboard: Command (⌘) and R. Keep holding the keys until you see an Apple logo or spinning globe.
Apr 30, 2023 · Option 1: Factory Reset Your Mac. Option 2: Wipe and Reinstall macOS from Scratch. Enjoy Your Squeaky Clean Mac. Key Takeaways. To wipe a modern Mac with Apple Silicon or T2 Security Chip, open System Settings > General > Transfer or Reset and click "Erase All Content and Settings" to open the Erase Assistant.
Nov 25, 2021 · On an Intel Mac, restart or start up while holding Command-R; with an M1, shut down the Mac, then hold down the power button until “Loading startup options” appears. Navigate to macOS...