![IT System Administrator Tuts: HP 8470p laptop error: "The system has detected that a cooling fan is not operating correctly"? IT System Administrator Tuts: HP 8470p laptop error: "The system has detected that a cooling fan is not operating correctly"?](https://i.imgur.com/3WsjJ3T.jpg)
IT System Administrator Tuts: HP 8470p laptop error: "The system has detected that a cooling fan is not operating correctly"?
![Why is my HP laptop showing "System Fan (90B)" error even after cleaning the fan with compressed air? - Super User Why is my HP laptop showing "System Fan (90B)" error even after cleaning the fan with compressed air? - Super User](https://i.stack.imgur.com/BfnNw.png)
Why is my HP laptop showing "System Fan (90B)" error even after cleaning the fan with compressed air? - Super User
![System Fan 90b Error HP - How To Fix | My Laptop Automatically Turns Off | How To Clean Laptop Fan - YouTube System Fan 90b Error HP - How To Fix | My Laptop Automatically Turns Off | How To Clean Laptop Fan - YouTube](https://i.ytimg.com/vi/jOR5MZE40Nc/maxresdefault.jpg)
System Fan 90b Error HP - How To Fix | My Laptop Automatically Turns Off | How To Clean Laptop Fan - YouTube
![Hp The System has detected that a cooling fan is not operating correctly hatası, Solution, Çözümü - YouTube Hp The System has detected that a cooling fan is not operating correctly hatası, Solution, Çözümü - YouTube](https://i.ytimg.com/vi/ZOT1ZkowtFs/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&rs=AOn4CLCU0G4NvM3gNeoisHB-JL2W819k9Q)
Hp The System has detected that a cooling fan is not operating correctly hatası, Solution, Çözümü - YouTube
![Advisory: HP ProBook 645 G1 and HP ZBook Mobile Workstations - Intermittent System Fan (90B) Error During POST, Computer Shuts Down | HP® Customer Support Advisory: HP ProBook 645 G1 and HP ZBook Mobile Workstations - Intermittent System Fan (90B) Error During POST, Computer Shuts Down | HP® Customer Support](https://support.hp.com/doc-images/308/c05318861.jpg)