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Why is my HP laptop showing "System Fan (90B)" error even after cleaning the fan with compressed air? - Super User
![System Fan (90B) The system has detected that a cooling fan is not operating correctly, HP, Compaq - YouTube System Fan (90B) The system has detected that a cooling fan is not operating correctly, HP, Compaq - YouTube](https://i.ytimg.com/vi/rIdPdBLnJ1k/maxresdefault.jpg)
System Fan (90B) The system has detected that a cooling fan is not operating correctly, HP, Compaq - YouTube
HP Support - Not a fan of the System Fan (90b) error message? Here are the steps to get to the solution: http://hp.care/2qdc6Yy | Facebook
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Come riparare su un notebook HP l'errore System Fan (90b) cooling fan not operating correctly - YouTube
![Fix HP Laptop System Fan 90b Error Message on Startup Digital Art by HP Technical Support - Fine Art America Fix HP Laptop System Fan 90b Error Message on Startup Digital Art by HP Technical Support - Fine Art America](https://render.fineartamerica.com/images/rendered/small/print/images/artworkimages/square/1/fix-hp-laptop-system-fan-90b-error-message-on-startup-hp-technical-support.jpg)
Fix HP Laptop System Fan 90b Error Message on Startup Digital Art by HP Technical Support - Fine Art America
![HP System Fan 90B Error Fix😎 |The system has detected that a cooling fan not working properly - YouTube HP System Fan 90B Error Fix😎 |The system has detected that a cooling fan not working properly - YouTube](https://i.ytimg.com/vi/vx2Fi90Z-3M/maxresdefault.jpg)