Originally published at: http://www.howtogeek.com/181073/how-do-you-find-out-which-computer-fan-is-being-loud/
What do you do when a fan on your computer is loud enough to be disruptive to your work-flow, or is ruining the fun when doing other things? Today’s SuperUser Q&A post looks at the best way to catch the ‘guilty culprit’.
Glad I'm not the only one who has this issue. I almost bought new case fans instead of going with the built-in ones on my case, and then I finally realized it was my PSU fan, which is insanely loud, but I don't have the money to replace that right now sadly
HTG feakin rocks. I used a pieces of construction paper folded in the power supply fan and the humming stop. This solved the problem. Thank you!
You don't want a PSU fan to stop spinning... I've had the fan controller chip go out in a PSU back in the day and the PSU got extremely hot like an oven before the BIOS detected high temp and shut the system off. I ended up replacing those fans that were connected to the chip with 80mm case fans, running the power connecters out with the PSU power connectors. It's still working fine to this day, surprisingly.
P.S. If anyone decides to replace their PSU fan, be sure to discharge it before breaking it open, know that the charge can be potentially lethal.
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