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Making PC Silent on idle

post #1 of 10
Thread Starter 
Hello guys! I'm coming from my previous thread:
http://www.overclock.net/t/1578878/new-case-built-still-humming-noise-maybe-psu-fault
So I decided to purchase EVGA G2 750W in terms of silence in psu,what also I can add/change in my system to make it silent on idle? Maybe some kind of good quality fan controller ?? Because I have no idea what rpm are case and cooler fans running.... Maybe also change cooler or cooler fans ? Any help is appreciated,thanks in advance
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post #2 of 10
Thread Starter 
Anyone ? frown.gif
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post #3 of 10
- Well, AFAIK, the A70 fans are not 4 pins (PWM) but 3 pins (VC). So if they're running at full pelt, they'll be loud. But I think it came with an an 7 volt adapter to reduce the voltage (and speed, and noise). Definitely use the voltage reducer if it's not on (and the fans run at 12 volts).

- You can also either replace fans on the cooler with some quieter stuff. Tons of choice, Noiseblocker, Noctua, BeQuiet even. Preferably 4 pins, so you get more control over the speed. Some motherboards (Asus in particular) have fan profiles in the BIOS, so should be any need for a fan controller.

- Or replace the entire heatsink. Tons of choices too. Noctua, Thermalright, BeQuiet, Alpenfhon, there's a ton of good quiet coolers. I've got a Dark Rock 3, I've used a True Spirit 140, that kind of thing will do, both very quiet and efficient under load, and make a nice quiet whoosh sound when running hard.

- And I doubt your case fans would produce noise, unless they are either broken, or you're getting some vibration through the case (which I experienced from time to time). As a quick check for vibration, you can move the case, shifting the weight about, and see if the vibration disappear.

- The video card shouldn't run at full speed either. Make sure it's running in quiet mode (i.e. low fan rpm in idle).

So checking fan speed, and case vibrations, there's no reason you couldn't get a whisper quiet computer. I can barely hear mine idling (or even gaming), and it's not 'that' fancy in terms of noise reduction (Dark Rock Pro 3, Fractal R5, EVGA 980ti ACX2+ Superclocked, and a EVGA P2 PSU).

Do the cheapest options first. No point buying a after market GPU cooler if it's not even the problem, or you could fix it with some careful fan profile.

EDIT : Good PSU BTW, I would definitely replace the ModXStream with, well, an EVGA G2 or GS.
Edited by papalazaru - 11/6/15 at 9:09am
post #4 of 10
Thread Starter 
Quote:
Originally Posted by papalazaru View Post

- Well, AFAIK, the A70 fans are not 4 pins (PWM) but 3 pins (VC). So if they're running at full pelt, they'll be loud. But I think it came with an an 7 volt adapter to reduce the voltage (and speed, and noise). Definitely use the voltage reducer if it's not on (and the fans run at 12 volts).

- You can also either replace fans on the cooler with some quieter stuff. Tons of choice, Noiseblocker, Noctua, BeQuiet even. Preferably 4 pins, so you get more control over the speed. Some motherboards (Asus in particular) have fan profiles in the BIOS, so should be any need for a fan controller.

- Or replace the entire heatsink. Tons of choices too. Noctua, Thermalright, BeQuiet, Alpenfhon, there's a ton of good quiet coolers. I've got a Dark Rock 3, I've used a True Spirit 140, that kind of thing will do, both very quiet and efficient under load, and make a nice quiet whoosh sound when running hard.

- And I doubt your case fans would produce noise, unless they are either broken, or you're getting some vibration through the case (which I experienced from time to time). As a quick check for vibration, you can move the case, shifting the weight about, and see if the vibration disappear.

- The video card shouldn't run at full speed either. Make sure it's running in quiet mode (i.e. low fan rpm in idle).

So checking fan speed, and case vibrations, there's no reason you couldn't get a whisper quiet computer. I can barely hear mine idling (or even gaming), and it's not 'that' fancy in terms of noise reduction (Dark Rock Pro 3, Fractal R5, EVGA 980ti ACX2+ Superclocked, and a EVGA P2 PSU).

Do the cheapest options first. No point buying a after market GPU cooler if it's not even the problem, or you could fix it with some careful fan profile.

EDIT : Good PSU BTW, I would definitely replace the ModXStream with, well, an EVGA G2 or GS.

Thanks for replying smile.gif

I'll write in the same sequence as you wrote the info.

You are right,A70 fans aren't PWM,but I have them plugged with low noise adapters,which were included.
Thinking of changing cooler or fans on it,but I think maybe it's better to buy fan controller to set all 3 case fans and 2 cooler fans for example on 700-800 RPM ?
Video Card is 390 Nitro with silent profile,which means all 3 fans are off on low and medium loads,so that humming isn't coming from GPU.
Case (and case fans also ofc) is brand new,so nothing is broken are no vibrations from that also
So summing all that,I think to buy first EVGA G2 750w to replace my 4 year old PSU and if it also doesn't help,than add some nzxt sentry fan controlller or something similar,what do you think ?

P.S BTW,how is you EVGA in terms of silence ? (what wattage you have?)
Edited by Temuka - 11/7/15 at 11:14am
Mr Silence
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Mr Silence
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post #5 of 10
honestly you can turn off all case fans for airflow if the pc is idling, get a fan controller with a thermo monitor and you will see it doesn't effect anything, maybe the northbridge gets a little warm.

don't forget your harddrives are spinning too. they make more noise than anyone thinks
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post #6 of 10
Thread Starter 
Quote:
Originally Posted by kckyle View Post

honestly you can turn off all case fans for airflow if the pc is idling, get a fan controller with a thermo monitor and you will see it doesn't effect anything, maybe the northbridge gets a little warm.

don't forget your harddrives are spinning too. they make more noise than anyone thinks

Can I set in fan controller the fans to make for e.g 700 pwm on idle and 1200 when gaming ? Or I must change it manually every time ?
for e.g in this fan controller case ? > http://www.amazon.com/NZXT-5-4-Inch-Controller-Cooling-AC-SEN-3-B1/dp/B00KJGYLNM/ref=sr_1_1?ie=UTF8&qid=1446925480&sr=8-1&keywords=nzxt+sentry

P.S Can I plug cooler fans in fan controller ? Or should they be plugged in mobo ?
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Mr Silence
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post #7 of 10
i have the previous version of that, and its best to control everything manually, but honestly if you have a good heatsink, even fans spinning slowly would be suffice,

and yeah i have everything connected to the controller.

if you want a more automated device you gonna have to chuck up more money.
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post #8 of 10
If you're pretty confident the sound comes from the PSU, then replacing the PSU (which isn't great anyway, and probably need replacing) will most likely fix your issue.

And do register your PSU on the EVGA website. I think the warranty is like 10 years when you do so.
Edited by papalazaru - 11/9/15 at 4:30am
post #9 of 10
Quote:
Originally Posted by papalazaru View Post

If you're pretty confident the sound comes from the PSU, then replacing the PSU (which isn't great anyway, and probably need replacing) will most likely fix your issue.

And do register your PSU on the EVGA website. I think the warranty is like 10 years when you do so.

EVGA G2 is a very good PSU. it's a Superflower Leadex platform PSU...

http://www.techpowerup.com/reviews/EVGA/SuperNOVA_G2_750/11.html

not sure where you are getting your info from.... there is no reason to replace it. it may not be the quietest PSU in the world, but if you want quiet, you can always go get a passively cooled superflower golden silent.
Edited by psyclum - 11/9/15 at 6:24am
post #10 of 10
Thread Starter 
Quote:
Originally Posted by papalazaru View Post

If you're pretty confident the sound comes from the PSU, then replacing the PSU (which isn't great anyway, and probably need replacing) will most likely fix your issue.

And do register your PSU on the EVGA website. I think the warranty is like 10 years when you do so.

Yeah,I bought EVGA G2 750w,hope it will help,thanks for your time smile.gif
Quote:
Originally Posted by psyclum View Post

EVGA G2 is a very good PSU. it's a Superflower Leadex platform PSU...

http://www.techpowerup.com/reviews/EVGA/SuperNOVA_G2_750/11.html

not sure where you are getting your info from.... there is no reason to replace it. it may not be the quietest PSU in the world, but if you want quiet, you can always go get a passively cooled superflower golden silent.

I think you misunderstood,I bought yesterday EVGA 750w G2 in terms of silence to replace my 4 year old OCZ 700w ModXstream
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Mr Silence
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