Are your PC fans too loud? Try these simple fixes!

If you have just built your PC and are finding that your fans are basically spinning at maximum speed all the time, meaning your PC is insanely loud, then not to worry as there are some fixes. These include simple tweaks in the BIOS, so I want to show you what they are. Here I'm using the Corsair 2500D along with Lian Li P28 fans as a demo.

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Specs of the build
Fans:
Lian Li P28 Unifans

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[krakentortoise]

Another tip I can add to this is to make sure to optimise your noise to performance ratio. Most gaming PCs, the GPU temps matter the most.

Set up a fan curve to ramp up with the GPU, but make sure to set it at a maximum level you're comfortable with in terms of noise. In my findings, after a certain RPM, the temp reduction is SUPER negligence compared to the noise.
Found this out not too long ago in my personal machine, I had my Silent Wings 4 fans set to about 1900 RPM when the GPU got under load. Dropped the speeds to about 1400 RPM and temps only rose by 3°C with a massive noise reduction. No changes to GPU fan speeds which were running quietly too.

In the end, I reduced them to about ~1100 RPM. Essentially silent and I am quite happy with temps.

Just sharing two cents in case it helps someone 🙂

[amCuquii]

Omg when I changed all my system to PWM, I shit u not my pc went from sounding like a spaceship to a nice walk in the sun. Than you so much

[jamesm]

As someone that's got 11 Noctua industrial 3000 RPM fans in my PC case an aggressive fan curve is definitely needed. Now when my computer is in quiet mode for like watching videos or just surfing the internet eight of my case fans are off and only three of the six fans on my radiator or running at 500 RPM. I keep all my case fans set at a steady 700 RPM after a certain temperature and I let my radiator fans adjuster speed according to the CPU temperature. I get the best of both worlds as I get an ultra quiet PC and the sound of a jet when I'm playing with my flight simulators as it feels realistic as I can feel the heat off the computer blowing in my face.

[TheProvokedPrawn]

Specs of the build (note these include affiliate links which may earn me a commission at no extra cost to you):
Fans:
Lian Li P28 Unifans

[marcuszettergren]

I'd suggest NOT using your mainboards software at all if you can avoid it. They are known to put so much crap in their software, which ramps the speed of the fans up itself since it uses so many cpu cycles because of all telemetry going on. Use a tool called Fan Control. Amazing software, lightweight, no commercial. And afaik, it is the only fan software that can handle gpu fans as well.

[oberschurk]

Oh my lord my fans went from a Helicopter next to me to blissful quietness after turning PWM on… thanks a lot i can now use my pc in peace 😎✌️

[JamiBoyXD]

My GOD THANKS!!! my fans were not changing speed and I was having a really hard time looking for answer in youtube and Google and NONE gave me what you said, it was as SIMPLE as “change your fans from DC to PWM mode”

Thankssss a lot!! Now my first from scratch build PC is PERFECT ❤

[Matt-fcgw]

Thank you so much for this!! After updating my motherboard, my fans got really loud and it was extremely annoying. After changing the modes from DC to PWM it fixed the noise issue I was having!

[civsully]

Hi Prawn and another great vid here! Have you done a fan control vid for a MSI Z790, i9-13900k, RTX 4090 in the past? Or at least cover basic fan settings for a build like this? Finally you do a great job making the complicated a little easier to understand so thanks for that!

[maavennn]

I don’t comment on tutorials… but when I do… it’s because this truly saved me SO much headaches. A year later and this is still helping like a charm!!

[GooberLeague]

Very nice. Fan tune did it for me thanks

[Jluke]

It works!!! This fan noises been driving crazy for a while. Thanks a lot man!!!

[stewiethst]

Jesus Christ lol what a difference. Why isn’t this one of the top tips to give to new pc users. Haven’t seen any videos explaining this before. Much appreciated dude

[JWBUF]

thank you so much I read another comment where it said it made it sound like it’s gone from a jet engine to a nice walk in the sun and i couldn’t agree more thank much appreciated

[АспиринДарнасский]

dude thank you so much! you saved me with that PWM thing

[aznballaboilife]

If youre using the Arctic Freezer III AIO'S, do NOT use the AIO fan cable. Use the Individual cable that split into Fan, Pump, and VRM. Plug Fan>CPU_FAN, Pump> CPU_Opt/AIO, and VRM>SYS_1/2/3/4. My fans went from 100% RPM to a regular adjustable speed

[OutSwat]

the pwm suggestion helped a lot this was very helpful thank you!!

[ClintLenard]

Thank you for this! Switching from DC to PWM was the trick after trying to mess with the fan curve.

[bartekgolosz]

Thank you bro I thought the loud fan noise mad my pc messed up up something but I just had my pc for a week as I got a new prebuilt one thanks bud 🎉

[stevesutton]

Noctua NF-A12x25's + NA-SAVP1'S + NA-SAV2's in a Fractal North case has only gotten as loud as taking a big breath and blowing out. Like a slight breeze outside a shut window.