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Noise Levels & Temps - PC Questions


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#1 +bman

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Posted 10 June 2014 - 13:36

Hi,

I am looking into testing and figuring out my system, as I find it louder then it should be. My specs are within my signature.

 

Now I have an h100i running, and I know at least half of the noise is coming from this. Though this is a more calm noise, and I believe its running ok, as my temps for my 4770K are normally around 38C.

 

That being said, there is much more noise going on.

 

So I am wondering how to confirm what is making the noise. If I stick my head down there its not easy to tell which is what.

 

My 780TI seems to stay at 1500+ RPM. Is that fast/normal? I'd like to go into the UEFI and change fan settings, but not too sure on how to do that.

 

Any suggestions, steps, tips?




#2 sc302

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Posted 10 June 2014 - 14:26

How I have always found out how to figure what is causing noise was to ram a pen or pencil in the fan blades causing it to stop.  While this may not be the answer you are looking for or possibly the best solution, I have never had any ill effects from this and always have quickly determined the cause of the noise in any of my cases.



#3 +Phouchg

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Posted 10 June 2014 - 19:07

If you haven't already done so (and it sounds so), get Corsair Link and set those SP120Ls to ~500 RPM (minimum possible). Idle temperatures will not change, but you'll immediately "enjoy the silence".

It might not fare so good under stress, but you can set it to ramp them up automatically if you notice it's going south of comfortable. While "clink" is a bit of an uglyware, you don't need to keep it running - set once, quit, forget.



#4 OP +bman

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Posted 10 June 2014 - 21:04

Link does not seem to see my H100I, and if I change  asetting for my 780TI, nothing happens.



#5 +Phouchg

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Posted 10 June 2014 - 21:09

Could it be then that you forgot to attach the Link USB cable?



#6 OP +bman

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Posted 10 June 2014 - 21:10

No, I went over it before, I think it may be a dud, though it seems to cool it just fine.



#7 OP +bman

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Posted 10 June 2014 - 21:13

I actually did just stop the h100i fans manually, and it would appear 95% of the noise is from that. hmm

I hate taking things apart.



#8 +Phouchg

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Posted 10 June 2014 - 21:25

Ah, I've just noticed you've got Windows 8.1. "Clink" doesn't yet work with that one and Corsair's been sitting on their asses with the fix.

In the meantime, there's some workarounds, but with a warning they may be unreliable or fsck it all up even.

http://forum.corsair...00&postcount=19

 

Or you can perhaps connect fans to motherboard headers instead? Or you have them all the remaining 4 occupied already?

 

Changing fan speed for graphics card doesn't work for me, too (on W7), so that's nothing. But as it isn't really a problem... any number of other programs (Afterburner, Precision, Nvidia Inspector etc.) can take care of that even better.

 

Oh, and I've swapped my SP120L (stock grey) for SP120 HP, slowed down with resistors, anyway. They're not as silent and efficient, but still tolerable.

Pray tell - are your stock fans all ok? I mean, just the air whoosh and no other noises? Both of mine were rattling/grinding right from the start and I couldn't fix them.



#9 OP +bman

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Posted 10 June 2014 - 21:52

hmm, so I removed my case door, and it now has seemed to quite down extremly, unless I am going crazy, its perfect now.

 

So wtf? I have enough fans, going in the correct directions to push the air around, and the temps seem to be good, so why would the speed be so high with the case door on....hmm



#10 Auditor

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Posted 10 June 2014 - 22:03

In my personal opinion, and I witnessed it, most of the noise comes from PSU unit and then from CPU fan. I had put Corsair 750 W PSU which has design to kick in PSU fan under load only and fan is off if there is no load on it.  I had also replaced stock cooler for my CPU as well and my system is super silent. I only hear it making noise when I play free Left4Dead 2 on it and I think the biggest noise comes from PSU fan.



#11 Bigkaye

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Posted 10 June 2014 - 22:07

hmm, so I removed my case door, and it now has seemed to quite down extremly, unless I am going crazy, its perfect now.

 

So wtf? I have enough fans, going in the correct directions to push the air around, and the temps seem to be good, so why would the speed be so high with the case door on....hmm

 

Interesting. I noticed this before, it was just the speed of the fans were the perfect pitch to resonate in my case. If this is the problem moving things around in the case should alter the sound as well as changing their RPM, but you may need to change them quite a bit. It could be you have more exhaust than intake too, creating a vacuum rather than positive pressure and increasing the loudness

 

Just an FYI noise is hard to really assess, but you can get DB level meter apps for phones/tablets which work quite well for me in the past for getting noise levels down and figuring out what things are really getting louder. I'd look for one which shows the level of the noise on a spectrum, you can then see what frequency the noise is loudest at. Do note the DB scale runs in 3. so a change of 25dB to 28dB will appear 2x louder.