How to Fix CPU Fan Speed Error Detected in Windows 11, 10

Solutions to “CPU Fan speed error detected” in Asus, HP, Lenovo, etc in Windows 11 and 10.

This warning typically arises when the system detects CPU fan is not operating within the expected parameters. Several factors may contribute to this error including a malfunctioning fan, improper connections, or a BIOS misconfiguration. Thermal issues such as overheating may also trigger this hardware-related alert in your Windows 11 or 10. Let’s follow some working solutions to CPU Fan Speed Error Detected message.

We are going to focus on the various reasons such as overheating, dust, and BIOS settings, and provide effective guidance on resolving the issue in this post. See: Fix: CPU Over Temperature Error in Windows 10 Laptop.

CPU Fan Speed Error Detected

CPU Fan Speed Error Detected in Windows 11, 10

Here is how to fix CPU Fan Speed Error Detected in Windows 11, 10:

Hit F1

When this error message appears in Asus, Lenovo, or HP, system often asks to press F1 to fix the issue. Before applying the below methods, you should first hit F1 as instructed and follow the on-screen instructions.

Modify BIOS Settings

This process will basically eliminate the CPU Fan Speed Error Detected message through BIOS because Windows 11 or 10 is working smoothly. So main task is to ensure that CPU Fan is working properly and not generating overheat.

Note: It is a serious change that will limit the ability of CPU-related parts, so, make sure you have knowledge of BIOS!

  1. Press Windows + I and select System.
  2. Go to the right panel and click on Recovery.
How to Fix CPU Fan Speed Error Detected in Windows 11, 10
  1. Select Restart now for the option “Advanced Startup”.
Settings System recovery advanced startup recovery
  1. On the upcoming screens, go to Troubleshoot > Advanced Options > UEFI Firmware Settings.
  2. Click on Restart to reach straight away BIOS.
  3. Then, select Monitor, then, “Fan Speed Monitor”.
  4. Here, you must change the Fan Speed to “Ignore” from “N/A”.
Fix CPU Fan Speed Error Detected
  1. Go to Exit and save all the changes.
  2. Restart your PC.

Review CPU Fan Settings

The error message might be the result of any software-related problem in Windows 11 or 10 and to identify and troubleshoot any problem associated with Fan Settings, follow these:

  1. Click on Start and select “System”.
  2. Scroll down and select “Recovery” from the right side.
  3. Then, click “Restart now”.
  4. After the system reboots, navigate to “Troubleshoot > Advanced options > UEFI Firmware Settings”.
  5. Click on Restart to access BIOS.
  6. Select “Advanced Settings” then “Hardware Monitor” and “CPU Fan”.
  7. Here, you need to enable “Fan Duct with Fan” and “Active Heat Sink”.
  8. Then, turn off “Fan Duct without Fan” and “Passive Heat Sink” before saving the changes and existing.

Keep Computer Cool

It is proven that the CPU fans face issues with proper functionality if the temperature goes beyond 40 degrees Celsius or below 32 degrees Celsius.

CPU Fan Speed Error Detected message may come alive when the heat of computer hardware operation crosses limits. The heat may come either from the hardware operation or direct sunlight. Therefore, make sure that you are keeping your computer cool by placing it in an ideal location that is free of direct sunlight to avoid this.

Clean the CPU Fan

If the CPU fan is covered up with dust, that may generate the CPU Fan Speed Error Detected message in Windows 11 or 10. Follow these steps to clean your CPU Fan:

  1. Turn off your PC.
  2. Unplug your computer from the power source.
  3. Now, open the fan case.

Note: Some devices may not allow you to open the fan case and it can also lead to the termination of the warranty you may have. Hence, before doing anything, check the manual or contact the customer services of your device to avoid any inconvenience.

Now, follow these to clean the CPU Fan:

  1. Use canned air or an air gun to clean the dust of the interior carefully.
  2. Use a “Cotton swab” to clean the fan blades, but make sure that it is soaked in alcohol (Isopropyl).
  3. Do not use cleaning agents (Or Spray) on the CPU fan to avoid any damage to vital components.

Check the Fan’s Location

Sometimes, CPU fan may fall out of place which can trigger the CPU Fan Speed Error Detected message. When opening the motherboard, make sure that the fan is in the right position, and adjust the location as much as necessary using glue or a screwdriver.

Always consider the guidelines provided in the user manual. In case you are installing a CPU fan yourself, ensure that it is installed in the CPU header so that it can cool down the heat properly when in operation.

Replace the Fan

Well, if above methods go in vain, replacement of the current CPU fan becomes remaining option. This will permanently remove the CPU Fan Speed Error Detected message and help the machine function smoothly while not being overheated.

Seek for Professional Assistance

Oftentimes the error message is likely to appear because of the issue associated with the other hardware and in this case, trying and fixing may force to suffer extra cost. Additional effort may harm the whole machine and make things difficult to recover the PC later, therefore, rather, you should seek professional assistance.

Hit F1
Modify BIOS Settings
Review CPU Fan Settings
Keep Computer Cool
Clean the CPU Fan
Check the Fan’s Location
Replace the Fan
Seek for Professional Assistance

That’s all!!

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Topics:  Windows
About Sunita
Love to play with Windows 11 and 10. Suggestion - Going for Registry change or system files edit then remember to take a backup or create a restore point before Starting.