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HP Pavilion 15-p099na System Fan (90b) error message on startup | Error message, Hp pavilion, System
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Why is my HP laptop showing "System Fan (90B)" error even after cleaning the fan with compressed air? - Super User
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HP 8470p laptop error: "The system has detected that a cooling fan is not operating correctly"? – IT System Administrator Tuts
![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)