Mac/MacBook Blue Screen of Death: Why and 8 Quick Fixes

Wendy Wu
Last updated: Sep 9, 2025

This post explains why the "Mac Blue Screen of Death" occurs and provides effective fixes for this issue. Read on to learn more.

Although a blue screen on Mac/MacBook rarely occurs during everyday use, it can happen.

Don't worry! In this post, you'll learn 8 practical ways to fix it.

Mac/MacBook Blue Screen of Death: Why and 8 Quick Fixes

Why is My Mac/MacBook Experiencing a Blue Screen of Death?

Common issues related to the Mac blue screen of death include:

  • A blue line on the screen
  • A blank blue screen
  • A blue screen with a multicolor pinwheel
  • A half-blue screen
  • A full blue screen

The main causes of the blue screen on Mac are:

  • Incompatible startup items or software
  • Deleted or corrupted system files
  • Problematic peripherals connected to your Mac

How to Fix Mac Blue Screen of Death in 8 Ways

Now that you know the common causes of the blue screen on Mac/MacBook Pro/MacBook Air, here are 8 effective ways to resolve this issue.

1. Restart Your Mac

Restarting your Mac can fix minor system glitches and terminate problematic processes, which may resolve the Mac blue screen of death issue.

2. Boot Mac in Safe Mode

Booting your Mac/MacBook in Safe Mode is a proven way to fix blue screen issues. Many users on Apple Discussions reported resolving this problem by starting their Mac in Safe Mode.

For Intel-based Mac:

  1. Restart your Mac.
  2. Immediately press and hold the Shift key until the login window appears.
  3. Log in to your Mac and follow the on-screen instructions.
Tip
"Safe Boot" in the menu bar indicates that your Mac has successfully booted in Safe Mode.

For Mac with Apple silicon:

  1. Shut down your Mac.
  2. Press and hold the power button until you see "Loading startup options."
  3. Select a volume.
  4. Press and hold the Shift key, then click Continue in Safe Mode.

3. Check Login Items

Incompatible login items can trigger the blue screen of death. Find and remove any problematic or unnecessary login items.

To manage login items easily, try BuhoCleaner. This Mac performance monitor and cleaner allows you to quickly enable or disable login items, helping optimize Mac performance.

Manage login items with BuhoCleaner
DownloadFor macOS 10.10 and above
100,000+ Satisfied Users Worldwide

Or manage login items via Settings: Apple menu > System Settings > General > Login Items.

Disable Login Items

4. Disconnect Problematic Peripherals

Problematic peripherals may cause a blue screen on your Mac. Disconnect all peripherals to see if the screen returns to normal. Reconnect only the necessary peripherals afterward.

5. Repair the Startup Disk with Disk Utility

Boot disk errors are a common cause of the Mac blue screen of death. Use macOS's built-in Disk Utility to repair your startup disk.

  1. Boot your Mac in Recovery Mode.
  2. Select Disk Utility in the Options screen and click Continue.
  3. Select your startup disk in the sidebar.
  4. Click First Aid in the toolbar.
    Run first aid using Disk Utility
  5. Click Run in the popup message.
  6. Wait for the repair process to complete.

6. Reset NVRAM

NVRAM stores certain system settings for quick access. Resetting NVRAM can help resolve blue screen issues.

  • For Mac with Apple silicon, a simple restart resets NVRAM.
  • For Intel-based Mac:
  1. Restart your Mac.
  2. Immediately press and hold Option + Command + P + R for about 20 seconds.
    NVRAM reset key combination
  3. Adjust any system settings that were reset after startup.

More info from Apple

7. Update macOS

Ensure your macOS is up to date. Older macOS versions may be incompatible with some applications, leading to system glitches.

The newest macOS version is macOS Sequoia.

8. Reinstall macOS

Reinstalling macOS is the ultimate method to fix persistent blue screen issues. Back up important data beforehand to prevent data loss.

Steps to reinstall macOS:

Step 1Shut down your Mac.


Step 2Start up from macOS Recovery.

For Mac with Apple silicon:

  1. Press and hold the power button until the startup options appear.
  2. Click Options > Continue.
    macOS startup options
  3. Follow the on-screen instructions.

For Intel-based Mac:

  1. Turn on your Mac.

  2. Immediately press and hold one of these key combinations until you see the Apple logo or spinning globe:

    • Command + R – reinstalls the current macOS version
    • Option + Command + R – installs the latest compatible macOS
    • Shift + Option + Command + R – installs the macOS that came with your Mac or the closest available version
  3. Follow the on-screen instructions.

Step 3Reinstall macOS from macOS Recovery.

  1. Select Reinstall macOS.
    macOS Sonoma recovery reinstall macOS
  2. Click Continue and follow the on-screen instructions.

If none of these methods work, your Mac/MacBook may have a hardware issue. Contact Apple Support for assistance.

Conclusion

Try these tips to fix the blue screen on your Mac. With these methods, your Mac should return to normal functionality.

Wendy Wu is a tech enthusiast with a deep passion for all things iPhone, iPad, and Mac. Wendy is always on the lookout for Apple products and is committed to providing Apple users with some of the latest information and useful tips.