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Ryujin 2 360 EVA Edition Embedded Micro Fan Problem

Level 7

So I just got done rebuilding my pc, but when rebooting it began to make a loud buzzing, a buzzing that didnt exist before. After loads of troubleshooting, turns out that my AIOs “embedded micro fan” is the cause of it. As long as it sits at 0 rpm, it makes no noise. There is no overheating, no problems persist, at least not yet, but the buzzing is ear wrenching. Does anyone else have this problem? If so, is there a known way to fix it? Maybe I need to replace the mini fan? Will this cause greater problems later on? Any help would be greatly appreciated as this is my first build. Thank you.


Customer Service Agent

Hi @aliasgoob ,

based on your issue, have you ensured that the devices are correctly installed on the motherboard? 
Please check if any cables are obstructing the fan. 
You can refer to the installation guide link below. 
Could you record a video of the fan producing unusual noises for our reference? 
If you've confirmed that the devices are correctly installed and there are no cables obstructing the fan, we recommend taking the device to a nearby service center for an engineer to inspect and identify the issue. 
Thank you.
[ROG Component] ROG RYUJIN II installation/LED instructions | Official Support | ROG Global (

Official Support | ASUS Global

Providing detailed device specifications (MB/CPU/GPU/PSU, etc.) and the respective driver versions, OS version, and BIOS version will help us analyze the issue more effectively.