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How to Know if the Fan on My ASUS Laptop is Working Properly?

The fan on your ASUS laptop plays a crucial role in maintaining an optimal temperature for your device, especially when running demanding tasks such as video games or heavy software. A fan that is not working properly can cause overheating, slowdowns, or even permanent damage to the device. In this article, we explain how to check if the fan on your ASUS laptop is working correctly and what steps to take in case of a problem.

Steps to Check the Proper Functioning of Your ASUS Laptop Fan

1. Listen to the Fan Noise

  • Step 1: Turn on your ASUS laptop and let it run for a few minutes.
  • Step 2: The fan should produce a slight operating noise, which may become louder when the processor or graphics card are under load, for example during gaming or resource-intensive tasks.
  • Check: If you hear no noise, even under heavy load, or if the noise is abnormal (squeaking, whistling), this may indicate a malfunction.

2. Use System Monitoring Software

To closely monitor the fan's performance, you can use specific software such as ASUS Armoury Crate or third-party tools like SpeedFan.

  • Step 1: Download and install ASUS Armoury Crate or another recommended monitoring software.
  • Step 2: Launch the software and go to the section dedicated to performance or fan management.
  • Step 3: Monitor the information regarding fan speed (measured in revolutions per minute, or RPM). If the speed stays at zero or very low even during heavy tasks, this may indicate that the fan is not working properly.

3. Check Your Laptop’s Temperature

A defective fan can cause an abnormal increase in internal temperature. To check this, use the same monitoring software to display your components' temperatures:

  • Step 1: Go to the temperature tab in the software.
  • Step 2: Check the temperatures of your processor (CPU) and graphics card (GPU). Idle temperatures should be between 40 and 60°C, while under full load, they should not exceed 85°C.
  • Check: If the temperatures are very high, this may indicate a fan malfunction or poor air circulation.

4. Test the Fan via BIOS

The BIOS of your ASUS laptop can also provide information about the fan's operation.

  • Step 1: Restart your computer and press the F2 or Delete key to enter the BIOS.
  • Step 2: Look for the "Monitor" or "Hardware Monitor" section, where you can find information about fan speed.
  • Step 3: If no speed value is displayed or if the speed is very low, this may indicate a problem with the fan.

5. Clean the Laptop’s Grilles and Fan

A fan blocked by dust or debris can lose efficiency, leading to overheating. Here’s how to clean it:

  • Step 1: Turn off the laptop and unplug it from the power outlet.
  • Step 2: Use a can of compressed air to blow into the ventilation grilles to remove accumulated dust.
  • Step 3: If you are comfortable with hardware handling, you can open the laptop case (following the manufacturer’s recommendations) to access the fan directly and clean it thoroughly. Be careful not to damage other components.

6. Monitor Overall Laptop Performance

A defective fan can also affect your laptop’s overall performance. You may notice the following symptoms:

  • Common symptoms: frequent slowdowns, the computer shutting down suddenly, or noticeable excess heat to the touch, especially near the keyboard.
  • Solution: If these problems occur regularly, it is recommended to have the fan checked by a technician or contact ASUS support.

Make sure that the fan on your ASUS laptop is working properly to avoid any risk of overheating or failure. By following these steps, you can identify and resolve any potential fan issues. 

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