How to fix System Fan (90B) error on a HP Compaq Presario Laptop | BusiFix Computers
IT System Administrator Tuts: HP 8470p laptop error: "The system has detected that a cooling fan is not operating correctly"?
How do I fix the system fan error 90b on HP laptop?
При включении ПК/ноутбука появл. черный экран с сообщением о ошибке: 90B, 90A, 900, и пр. (...a cooling fan is not operating correctly) // не работает кулер, компьютер может перегреться
Disk Depot on Twitter: "This message on your HP laptop means you need to get fan serviced ASAP, otherwise chipset may fail due to inadequate cooling (by which point it's beyond economic