![The System Has Detected That A Cooling Fan Is Not Operating Correctly | HP Fan Error 90B Fixed - YouTube The System Has Detected That A Cooling Fan Is Not Operating Correctly | HP Fan Error 90B Fixed - YouTube](https://i.ytimg.com/vi/ZOT1ZkowtFs/maxresdefault.jpg)
The System Has Detected That A Cooling Fan Is Not Operating Correctly | HP Fan Error 90B Fixed - YouTube
![HP Support on Twitter: "@NotSMops The overheating is causing the fan error & if the overheating issue isn't address it will keep happening." / Twitter HP Support on Twitter: "@NotSMops The overheating is causing the fan error & if the overheating issue isn't address it will keep happening." / Twitter](https://pbs.twimg.com/media/BdJcOFPIYAEnhNT.jpg)
HP Support on Twitter: "@NotSMops The overheating is causing the fan error & if the overheating issue isn't address it will keep happening." / Twitter
![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
![Fix the system has detected that a cooling fan is not operating correctly || System Fan (90B) - YouTube Fix the system has detected that a cooling fan is not operating correctly || System Fan (90B) - YouTube](https://i.ytimg.com/vi/QNkDpbV-hPs/maxresdefault.jpg)
Fix the system has detected that a cooling fan is not operating correctly || System Fan (90B) - YouTube
![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/mqdefault.jpg)