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Fan 90b error

HP Recommended
OMEN by HP 15-dh0135tx
Microsoft Windows 10 (64-bit)

Hello there, it has been four months since I purchased the HP laptop (OMEN by HP 15-dh0135tx) and was shocked to see an error popping up on my screen called 90b fan error. I purchased this laptop for a very hefty price thinking that it will not give me any issues for a long time. But just after 4 months, the fans stopped working and I got the above error. I really want to know why such a costly and good laptop by hp suddenly caught the error in a short span. Please answer my question and also answer this question that whether my laptop is a defective piece or not or whether the issue is with the fans alone?

HP Support Agent
HP Support Agent
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HP Recommended



I reviewed your post and I understand that you are getting a system fan error 90B on the computer.


Don’t worry, I assure you I will try my best to get this sorted.


I recommend you update the BIOS from the below link and check whether the issue is resolved.


If the issue persists, then continue troubleshooting from the below article.


Let me know how it goes and you have a great day!


P.S: Welcome to the HP Support Community 😊


If you wish to show appreciation for my efforts, mark my post as Accept as Solution. Your feedback counts!



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I am an HP Employee

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