11-11-2019 07:19 AM
The system has detected that a cooling fan is not operating correctly. System fan 90B
11-13-2019 11:58 AM
Thanks for joining HP Community!
Need not to worry I'll be happy to assist you.
Follow this document: https://www.support.hp.com/vn-en/document/c03620929 to resolve System Fan (90b, 90f) Error Message on Startup
Keep me posted, how it goes!
If the information provided was helpful, give us some reinforcement by clicking the Accepted Solution and Kudos buttons, that'll help us and others see that we've got the answers!
Have a great day!
I am an HP Employee