Fatal error What to do if the computer cannot be turned on?

If you encounter a Fatal Error on your macOS device that prevents you from booting, you can try the following steps to resolve the issue: Force shutdown Boot in safe mode Check for boot disk updates macOS Try booting from an external boot drive Reset NVRAM/PRAM Contact Apple Support

How to solve the Fatal Error on macOS that prevents you from booting

When you encounter a problem on your macOS device When a Fatal Error occurs, the computer may not be able to boot. Here are the steps to resolve this issue:

1. Press and hold the power button to force a shutdown

• Hold the power button for 10 seconds until the computer shuts down.

2. Start in safe mode

• Restart your computer and hold down the Shift key.
• When you see the Apple logo, release the Shift key.

3. Check the startup disk

• In safe mode, go to the Utilities menu and select Disk Utility.
• Select your startup disk and click First Aid.
• Click "Run" to fix any problems.

4. Update macOS

• Still in Safe Mode, go to System Preferences and select Software Update.
• Check if a macOS update is available. If available, install them.

5. Try booting from an external boot drive

• If updating macOS doesn't resolve the issue, try booting from an external boot drive.
• Connect the external drive to your computer, then hold down the Option key while booting.
• Select the external drive as the startup disk.

6. Reset NVRAM/PRAM

• If booting from an external boot drive does not work, try resetting NVRAM/PRAM.
• Turn your computer back on, then hold down the Option, Command, P, and R keys.
• Release the keys after hearing the startup sound.

7. Contact Apple Support

• After trying all these steps, if the problem persists, please contact Apple Support. They can help diagnose the problem and provide further solutions.

Tip:

• Before performing any troubleshooting steps, make sure your computer is connected to a power source.
• If you have a Time Machine backup, back it up before trying any troubleshooting steps.
• If you do not have any technical experience, it is recommended that you seek professional help.

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