![]() If it is not, then the fan may be defective and you should replace it. You should be able to see the fan spinning. You can also check the fan speed by opening the case of your computer and using a small mirror to reflect light onto the blades of the fan. Once you have downloaded and installed SpeedFan, run it and look for the section that says “CPU Fan Speed.” Here you will be able to see the current speed of your CPU fan. SpeedFan is one example of this type of program. Once you are in the BIOS, look for the section that says “Fan Speed Control.” Here you will be able to see what the fan speed is set at and change it if you need to.Īnother way to check the fan speed is to download a program that will show you the speeds of all the fans in your computer. You can access the BIOS by pressing the F2 key when the Lenovo logo appears on the screen. There are a few ways that you can check the fan speed on your Lenovo laptop.
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