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How to Diagnose and Fix Overheating in Windows Laptops

Issue Description 

Overheating can cause sudden shutdowns, performance throttling, loud fan noise, and long-term hardware damage. 

Common Causes 

  • Dust buildup in vents and fans 
  • High CPU/GPU usage 
  • Failing cooling fans 
  • Poor airflow 

Step-by-Step Solution 

Step 1: Check Temperature Levels 

  • Open Task Manager → Performance 
  • Note CPU/GPU usage 
  • Use a temperature monitoring tool if needed 

 

Step 2: Clean Air Vents 

  • Power off the laptop 
  • Disconnect charger 
  • Use compressed air to clean vents 
    ️ Do not use a vacuum directly on vents 

 

Step 3: Reduce Background Load 

  • Open Task Manager → Processes 
  • End unnecessary high CPU/GPU apps 

 

Step 4: Adjust Power Settings 

  • Open Settings → System → Power & battery 
  • Select Best power efficiency 

 

Step 5: Update BIOS and Drivers 

  • Visit manufacturer website 
  • Install latest BIOS and chipset updates 

Explore Further 

  • Replace thermal paste 
  • Use a cooling pad 

Prevention & Best Practices 

Keep vents clean and avoid using laptops on soft surfaces.