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One fan running extremely slow

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BC406TX HP Pavilion laptop
Microsoft Windows 10 (64-bit)

hi,

 

As shown in the screenshot, one of the laptop fans is stuck at 100-200 rpm while the other fans is running at high speeds and the CPU temp is also relatively high. Not sure if this is a hardware issue or a software one.

 

Regards,

Capture.PNG

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@Neodone 

 

Fans are controlled by heat sensors. Depending on the heat on its area, sensor will "tell" how fast the fan can run. From my view, this is a good design.

 

Hope this makes sense.

 

Regards.

BH
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Thanks @Banhien.

 

However, in my case, both the fans are on the same heat sink. Not sure if we would have two different sensors with one always making the fan run at 100 rpm.

 

Regards.

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