-
×InformationNeed Windows 11 help?Check documents on compatibility, FAQs, upgrade information and available fixes.
Windows 11 Support Center. -
-
×InformationNeed Windows 11 help?Check documents on compatibility, FAQs, upgrade information and available fixes.
Windows 11 Support Center. -
- HP Community
- Notebooks
- Notebook Operating System and Recovery
- My computer has experienced serious heating issues the 90b f...

Create an account on the HP Community to personalize your profile and ask a question
11-30-2024 05:28 AM
My computer has been through rough environments because of my job and because of this I suppose the cooling fan isn't working properly, or that's what the system tells me "90b fan error" IDK what that means but still I need assistance so please. Can support help me fix this issue. I tried the methods you told me in the website but still no use. Cleaned I think the vents and also did the system test. Cooling fan appeared to have failed it.
12-03-2024 01:34 AM
Hi @RongilyGeorge,
Welcome to the HP Support Community.
I'd be glad to help you!
To resolve the error, take the following steps.
- Press enter to clear the message and allow the system to start to the Windows desktop.
- Turn off the computer, and then inspect and clean the exterior vents to remove dust buildup by blowing air through the vent openings. Dust can accumulate inside the vent openings and around internal cooling components, preventing the removal of heat.
- For more information about reducing heat inside your computer, see HP Notebook PCs - Reduce heat inside the laptop to prevent overheating in Windows or HP Desktop PCs - Reduce heat inside the computer to prevent overheating.
- After you remove the dust, turn on the computer. If the error message persists, continue with these steps.
- Perform a hard reset. Performing a hard reset can reset recorded thermal values in the memory and enable you to use the computer for a short time to access and save important files before service.
- For more information about performing a hard reset, see HP PCs - How to Power Reset Your Computer.
- In some cases, updating the BIOS might help prevent this error from occurring.
For more information about how to update the BIOS, see the document for your computer:
HP Consumer Notebook PCs - Updating the BIOS (Basic Input Output System) (Windows)
HP Consumer Desktop PCs - Updating the BIOS (Basic Input Output System) (Windows)
HP Business Notebook PCs - Updating the BIOS (Basic Input Output System)
HP Business Desktop PCs - Updating the BIOS (Basic Input Output System)
If the error message persists, contact HP Customer Support.
Hope this helps! Keep me posted for further assistance
Please mark this post as “Accepted Solution” if the issue is resolved and if you feel this reply was helpful click “Yes”.
Nal_NR-Moderator
I am an HP Employee