Lenovo Yoga C640-13IML Fan Is Loud

Tools Required

• Compressed air
• Screwdriver set
• Internet connection

Step-by-Step Troubleshooting

Step 1: Clean Air Vents and Fans

• Use compressed air and clean carefully.

Step 2: Monitor Fan and Temperature Behavior

• Use HWMonitor or Lenovo Vantage.

Step 3: Update BIOS and Fan Controller Firmware

• Update using Lenovo Vantage.

Step 4: Adjust Power and Fan Control Settings

• Configure settings in Lenovo Vantage.

Step 5: Replace Faulty Fans (If Necessary)

• Refer to Cooling Fan Replacement Guide.

Conclusion

Most fan issues can be resolved through cleaning, updates, or replacement.