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Good day!

 

About a half year ago we bought dozen laptops HP 240 G8. Recently 3 of them, sometimes, started to show "System fan (90B)" error during startup. If i choose boot, the fan spins with full speed, The air temperature that comes out of ventilation hole is cool.

 

System fan (90B) error HP 240 G8System fan (90B) error HP 240 G8

When i searched through Google, it showed answers for old laptops where the fan just stuck, and it is needed to disassemble and clean it. But it is definitely not in this case, since it is new laptop and the fan spins without any extraneous sounds.

 

I also updated BIOS to last version F.21 without result. The Hardware monitor app shows CPUs temperature is low - around 50 celcius. 

 

What would you recommend in this situation?

 

Thank you!

 

Alex

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