[Fixed] Erase Assistant Is Not Supported on This Mac (Tahoe)

Erase Assistant simplifies the process of securely erasing your data when you're selling, giving away, or reinstalling macOS on your Mac.

However, you may see the message "Erase Assistant is not supported on this Mac" if your macOS version or processor isn’t compatible.

Don’t worry! This post will guide you through effective solutions for this issue. Keep reading for more information.

Why Does Your Mac Say "Erase Assistant Not Supported on This Mac"?

If you see the message Erase Assistant Not Supported on This Mac, it means your Mac doesn’t support the Erase Assistant feature, which is normally used to securely erase and reset a Mac to its factory settings. Here are some common reasons why this issue may occur:

• Mac hardware compatibility
• Outdated macOS version
• Startup disk configuration
• Security settings interference
• Corrupted system files

What to Do if Erase Assistant Is Not Supported on Your Mac (Tahoe)

After understanding why your Mac displays "Erase Assistant is not supported on this Mac," it's time to explore effective fixes or alternative tools.

Check Your Mac Hardware

Erase Assistant is typically available on Apple Silicon Macs (like M1, M2, etc.) and newer T2-equipped Intel Macs. If your Mac doesn’t fall into these categories, you may encounter the error.

To check your Mac's hardware, go to Apple menu > System Settings > About > System Report.

Upgrade Your macOS

The Erase Assistant feature is available on macOS Monterey and later. If your macOS version is outdated, follow the steps below to update to the latest version:

1. Click the Apple menu and select System Settings.
2. Click General > Software Update.
3. Click Upgrade Now and follow the onscreen instructions.

Erase Your Mac via Disk Utility

If the "Erase Assistant is not supported on this Mac" error appears, you can still erase and reset your Mac using Disk Utility in Recovery Mode.

Here’s how to erase your Mac with Disk Utility:

Step 1: Boot your Mac into Recovery Mode.

• For an Intel-based Mac:

  1. Restart your Mac.
  2. Press and hold Command + R until the startup screen appears.
  3. Enter your password if prompted.

• For a Mac with Apple silicon:

  1. Go to Apple menu > Shut Down.
  2. Press and hold the Power button until the system volume and Options button appear.
  3. Click Options, then click Continue.

Step 2: Click Disk Utility > Continue.

Step 3: Select the internal hard drive > Erase.

Step 4: Enter a name > choose a format > choose a scheme.

Step 5: Click Erase.

Bonus: How to Delete Multiple Files Quickly and Permanently

In general, moving files to the Trash doesn’t delete them completely, and they may still take up space on your Mac. Additionally, leftover files often remain even after uninstalling apps.

To delete multiple files or uninstall multiple apps completely and efficiently, try BuhoCleaner, a powerful and user-friendly Mac cleaner.

If you're looking for a secure and permanent way to delete files, BuhoCleaner’s Shredder feature is extremely helpful.

Conclusion

This post explained how to fix the “Erase Assistant is not supported on this Mac” issue and introduced some temporary alternative tools.

Hopefully, these methods work for your Mac. Try them now and resolve the issue!