Laptop Auto Restarting or Shutting Down How to Fix It

Practical, step-by-step troubleshooting for Windows & macOS laptops written in clear, simple language for everyone.

Quick checklist Try these first

• Check for overheating: clear vents, use a flat surface and cooling pad.
• Scan for malware using a trusted antivirus.
• Update drivers and the operating system.
• Test power adapter and battery health.

Step-by-step troubleshooting

1. 1. Check for overheating

   If your laptop feels hot, overheating is the most likely cause.

2. 2. Check Event Logs Windows Console macOS

   Use system logs to identify shutdown causes and hardware failures.

3. 3. Test power & battery

   Remove battery and run only on AC to confirm if battery is failing.

4. 4. Run hardware diagnostics

   Check RAM, SSD HDD, motherboard for faults using built in tools.

5. 5. Check for malware & file corruption

   Run antivirus + Windows sfc scannow to repair files.

6. 6. Update BIOS UEFI & drivers

   Install official updates to fix instability issues.

7. 7. Safe Mode Clean Boot

   If issue disappears, software or drivers are the cause.

8. 8. Contact support

   If hardware tests fail, visit an authorized repair center.

Checklist

• Back up files
• Check airflow & vents
• Run diagnostics
• Test on AC power

FAQ

Q: Laptop restarts only while gaming?

A: Check GPU temperature, drivers and charger wattage.

Q: Sudden shutdown battery issue?

A: Yes, often. Test without battery + check battery health.