Mac Kernel Panic? How to Fix Crashes

1 Disconnect All Peripherals

Faulty USB devices often trigger kernel panics:

1. Unplug ALL external devices (drives, hubs, dongles)
2. Use only the built-in keyboard/trackpad
3. Restart and use your Mac normally
4. If stable, reconnect devices one at a time to find the culprit

2 Boot in Safe Mode

Safe Mode disables third-party extensions:

Apple Silicon Mac:

1. Shut down completely
2. Press and hold power button until "Loading startup options" appears
3. Select your disk, hold Shift, click "Continue in Safe Mode"

Intel Mac:

1. Restart and immediately hold Shift
2. Release when login window appears

If stable in Safe Mode, a third-party extension is likely the cause.

3 Check for macOS Updates

Apple often patches kernel panic bugs:

1. Go to System Settings → General → Software Update
2. Install any available updates
3. Restart and test

4 Reset NVRAM/PRAM (Intel Macs)

Corrupted NVRAM can cause boot issues:

1. Shut down your Mac
2. Turn on and immediately hold Option + Command + P + R
3. Hold for about 20 seconds
4. Release and let Mac restart normally

Note: Apple Silicon Macs reset NVRAM automatically when needed.

5 Run Apple Diagnostics

Check for hardware failures:

Apple Silicon: Hold power button at startup → Options → Command + D

Intel: Hold D while starting up

Note any error codes — they indicate specific hardware issues.

6 Check Disk Health

Corrupted drives cause crashes:

1. Open Disk Utility
2. Select your startup disk
3. Click First Aid and run repair

7 Reinstall macOS

If crashes persist, reinstall the system:

1. Boot to Recovery Mode (hold Command + R on Intel, or power button on Apple Silicon)
2. Select Reinstall macOS
3. This preserves your files but replaces system files

For DIY Diagnosis

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