![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/1kkP2.jpg)
Why is my HP laptop showing "System Fan (90B)" error even after cleaning the fan with compressed air? - Super User
![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"?
![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)
Advisory: HP ProBook 645 G1 and HP ZBook Mobile Workstations - Intermittent System Fan (90B) Error During POST, Computer Shuts Down | HP® Customer Support
![Solved] System Fan (90B) Error || The system has detected that a cooling fan is not . - How to repair laptop Solved] System Fan (90B) Error || The system has detected that a cooling fan is not . - How to repair laptop](https://i.ytimg.com/vi/e8NkRHtlU-w/hqdefault.jpg)
Solved] System Fan (90B) Error || The system has detected that a cooling fan is not . - How to repair laptop
![I had an HP laptop for 2 years and the battery is on its last breath. Furthermore, its telling me that my cooling fan is not operating correctly. What should I do? I had an HP laptop for 2 years and the battery is on its last breath. Furthermore, its telling me that my cooling fan is not operating correctly. What should I do?](https://i.redd.it/au7ao2gg00i81.jpg)