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![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")
Solved] System Fan (90B) Error || The system has detected that a cooling fan is not . - How to repair laptop
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![Solved] System Fan (90B) Error || The system has detected that a cooling fan is not ..... - YouTube](https://i.ytimg.com/vi/D1ktYe2MgSE/sddefault.jpg "Solved] System Fan (90B) Error || The system has detected that a cooling fan is not ..... - YouTube")