How To Fix A Computer That Restarts When Gaming

Experiencing sudden restarts while gaming can disrupt even the most thrilling gaming sessions. This comprehensive guide provides actionable steps to diagnose and resolve the issues that cause your gaming PC to restart unexpectedly.

Why Does My Gaming PC Restart Unexpectedly?

1. Game Integrity and Updates

  • Problem: Playing outdated or non-genuine games can lead to system instability.
  • Solution: Verify the authenticity of your games and keep them updated to avoid conflicts that can cause restarts.

2. Graphics Card Compatibility

  • Problem: Inadequate or outdated graphics cards can’t handle modern games, leading to system crashes.
  • Solution: Update your graphics card drivers regularly and ensure compatibility with your games.

Updating Graphics Drivers:

  • Navigate through Control Panel > Windows Updates > Check for Updates.
  • Update any graphics drivers listed there, such as “Intel Graphics” or “AMD Graphics”. You may have to check under optional updates for them or directly in the Device Manager.

Disabling Third-Party GPUs:

  • Open the Run dialog (Windows + R), type devmgmt.msc, and press Enter.
  • In Device Manager, under Display Adapters, right-click on the external graphics card and choose “Disable Device”.

3. Virus and Malware

  • Problem: Malware can significantly impair system performance and stability.
  • Solution: Perform regular scans with reliable antivirus software and remove any threats found.

4. Power Supply Unit (PSU) Issues

  • Problem: An insufficient PSU can fail to meet the power demands of high-end games, causing restarts.
  • Solution: Upgrade to a more powerful PSU that exceeds the requirements of your gaming setup.

Adjusting Power Settings:

  • In Control Panel, navigate to Power Options > Change plan settings > Change advanced power settings.
  • Adjust the ‘Minimum processor state’ under ‘Processor power management’ to a lower percentage to reduce power consumption.

5. Overheating Issues

  • Problem: Excessive heat can trigger safety mechanisms that restart your PC to prevent damage.
  • Solution: Improve cooling by cleaning internal components, ensuring adequate airflow, and possibly upgrading cooling systems and thermal paste.

Physical Cooling Measures for Desktops:

  • Regularly clean your PC to remove dust.
  • Check that all fans are operational and free of dust.

Physical Cooling Measures for Laptops:

Software Cooling Measures:

  • Monitor temperature levels using software tools like HWMonitor or Core Temp to ensure they remain within safe operational ranges.

6. Overclocking Complications

  • Problem: Overclocking can improve performance but may lead to overheating and instability.
  • Solution: If experiencing issues, revert to default clock settings in your BIOS.

7. Windows Automatic Restart Feature

  • Problem: Windows may be configured to automatically restart after system failures.
  • Solution: Disable this feature via System Properties > Advanced system settings > Startup and Recovery settings.

8. System Requirements and Compatibility

  • Problem: Playing games that exceed the capabilities of your PC can cause crashes.
  • Solution: Check that your PC meets or exceeds the minimum requirements of your games.

9. System Restore and Recovery

  • Problem: Persistent issues after troubleshooting might indicate deeper system problems.
  • Solution: Consider performing a system restore to return your PC to a more stable state.

Performing System Restore on Windows:

  • Access System Restore via the Start menu and follow on-screen instructions to select a restore point.

Reinstalling macOS:

  • Utilize macOS Recovery to reinstall your operating system and ensure compatibility with your hardware.


By addressing these key areas, you can enhance your PC’s stability and enjoy uninterrupted gaming. Always back up important data and consult a professional for complex tasks like system restores or hardware upgrades to maintain the optimal performance of your gaming PC.

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