[Solved] Lenovo Thinkpad Fan Error

Lenovo fan error shows up mostly if the CPU fan is physically damaged. Sometimes, because of the incorrect BIOS settings, the computer becomes overheated and as a result, you might have to deal with the issue.

Once this error occurs, a message saying ‘CPU Fan Has Failed’ appears on the screen. Sometimes, you might see the ‘CPU Fan Error’ message on the LED display.

To fix the issue you can reboot your Lenovo laptop but what to do if this does not work for you? Don’t panic as this guide will help you resolve the situation you are in.

How to Solve the Lenovo ThinkPad Fan Error

Fortunately, you can get the fan working again with some easy hacks. And we have mentioned them below. SO, follow and apply them to fix the fan error in Lenovo.

Solution 1- Check the Room Temperature

First, you are suggested to touch the top of the keyboard as well as the bottom to feel for any hot spots. It might be the place where the processor is residing. If the device gets overheated, then it will shut down no matter how hard the CPU fans try to cool down the device.

In this situation, it is highly recommended to move your laptop to a cooler room. Also, keep in mind to never place it in direct sunlight.

Solution 2- Check the Fan’s Settings

Millions of users have complained about the issue and they found this solution fruitful to them. To apply this fix,

  • At first, you have to open the BIOS. Under BIOS, scroll down and choose the Advanced Settings option.
  • On the next page, click on the Hardware Monitor option. Next, select the CPU Fan option.
  • Here, search for the Active Heat Sink option and enable it. Also, enable the Fan Duct with Fan option
  • Next, disable the Fan Duct without Fan as well as the Passive Heat Sink options.

Restart your device in order to save the changes.

Solution 3- Check the BIOS Settings

If there is no wrong with the fan’s setting in the BIOS, and you are sure that your Lenovo laptop is not overheating, then you are suggested to check the BIOS settings.

In order to implement the task, first, launch the BIOS. Then, choose Monitor from the available options. Within the Monitor, locate and select the Fan Speed Monitor option. Choose N/A.

Finally, exit the window.

Solution 4- Remove Dust from the Fan

To implement the task, first, you have to shut down your Lenovo laptop. If the charging cable is connected, disconnect it from the power socket. Now, use an air gun to clean the interior.

You are also advised to clean the air vents. For that, you have to remove the brush from the vacuum cleaner. Afterward, use the vacuum cleaner to remove the dust and debris. Else, you can use an air gun.

Solution 5- Physically Check the CPU Fan

As mentioned earlier, most of the time the fan stops working if it is damaged. Hence, you are suggested to physically check the device’s fan and ensure that they are not damaged.

Also, if you have installed the CPU fans on your own, you should check its location. Make sure that it is installed in the proper place. Also, ensure that the fan is connected to the CPU header on the motherboard.

In case you have connected it on somewhere else, then when you turn on the device, the fan might run however it would not be sufficient for cooling the CPU.

Solution 6- Try an Alternative Header

If there are multiple CPU fan headers on the motherboard, you are advised to plug your fan to another slot. This solution works for many users.

Solution 7-  Power Cycle the Laptop

Still, dealing with the fan error? You are advised to power cycle the Lenovo laptop. For that, disconnect the AC power cable from the power socket. Afterward, take out the laptop’s battery.

Now, hold down the power button for 30 to 40 seconds. If possible, replace the battery and then connect the AC adapter and turn on your device.

In case the laptop has an internally mounted battery, then at the underside of the Lenovo laptop, you will see a reset hole. In such a scenario, disconnect the power cable from the power socket. Then, use a paper clip and hold the reset button for 30 to 40 seconds. Afterward, release the button and turn on your laptop.

If none of the solutions work for you, then you should replace the fan with a new one.

Frequently Asked Questions

  1. How can you Test Computer Fans?

If you wish to test the fans, then while the fan application monitor is running, perform a CPU stress test. The fan speed will start to rise until it reaches 100%

2. How can you turn on the fan on the Lenovo Laptop?

When you see the boot screen, you have to press and hold the delete key to load the BIOS setting menu. Afterward, choose the System Monitor option and hit the Enter key.

It will lead to a new window, here, search and choose the Fan Control option. Furthermore, click on the ‘CPU Fan Speed Control’ option.

3. How to Control the Fan Speed on the Lenovo Laptop?

Go to the BIOS setting. Afterward, select the System Monitor option. Furthermore, proceed to the Fan Control section. Here, if the control is set to the automatic, then change it to manual. Now you can control the fan’s speed by percentage.

4. How can you Change the fan Speed in BIOS?

You can use the BIOS to adjust the fan speed. To perform the task, the first thing that you need to do is to reboot your device and wait until you see the Self-Test Startup screen.

Next, press the on-screen indication button to enter into the BIOS. Usually, the buttons are, ‘F10’, ‘F12’, Esc or Del.