Weird laptop fan noise

[GiulianEnvy]

Hey. I don't know what happened with my laptop . My laptop ( HP Envy x360 ) makes a weird fan ( I think ) sound. How to solve the problem? 

The sound is here:

https://youtu.be/Nmfyh49ia68

[Echo_Lake]

@GiulianEnvy
Thank you for posting on the HP Support Community.

One of the possibilities may be that the fan needs to be cleaned. 

Firstly, let's try BIOS Update: Follow steps from the link: https://support.hp.com/in-en/document/c00042629

Next, follow this document which has troubleshooting steps that may help: Click here

Hope this helps! Keep me posted for further assistance.
If I have helped you resolve the issue, feel free to give me a virtual high-five by clicking the 'Thumbs Up' icon below, Followed by clicking on "Accept as solution" from the drop-down menu on the upper right corner,Thank you for posting in the HP Support Community.  Have a great day!

[GiulianEnvy]

Hi ,  I cleaned the fan , I updated the fan software , I updated the BIOS .. But that problem still reapear ... Maybe i need to buy a new fan ..

[Echo_Lake]

@GiulianEnvy

Thank you for posting back. 

I appreciate your efforts to try and resolve the issue. As you've performed relevant troubleshooting steps

and the issue persists, this sounds like hardware related issue, Hence, I would request you to contact our Support and our Support Engineers should be able to sort this out.

HP Support can be reached by clicking on the following link:

• Click on this link – www.hp.com/contacthp/
• Select the product type.
• Enter the serial number of your device or select let HP detect your product option.
• Select the country from the drop-down.
• You should see the HP support number or Chat option listed

Please feel free to contact us here anytime you need any further assistance.