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strange whining coming from pc

R

roz1281

Gawd
Joined
Nov 1, 2004
Messages
618
My PC sometimes makes hissing or whining sounds, emanating from some piece of hardware. It's hard to tell if it's the processor or the PSU or what. It happens in certain situations while I am doing something on the PC (but not necessarily maxing out the cpu). For example, i was playing brutal doom via zandronum and while standing still in a certain part of the room, my hardware started whining. It's not the sound of a fan spinning up or down, it sounds like some electrical interference. When i swapped weapons it would go "weeeooooo" and make a different pitch sound depending on which weapon i had out. Also opening the console in-game siliences the whining. The temp was 47c when the noise was happening.

I've checked visually that everything looks OK. Any tips before i tear this thing down and re-seat the CPU again?

Ryzen 5 3600
ASRock phantom gaming 4 a/c
EVGA Geforce GTX 1660
Corsair HX520W. <-- i hope its not this as i used this from an old build. Other than this noise though everything is stable (despite high temps under full load)
 
Most likely a bad capacitor in the power supply. Also could be a bad cap on the video card. Or possibly a vibrating choke or other component. If you’ve ruled out fans as the problem, it’s almost certainly the power supply. They do age. And I am guessing the age of that one is probably older. It’s an older model.
 
tip from kyle is to use a paper towel tube to listen and pin point where its coming from. if its the gpu its just coil whine. cap your fps to your refresh rate and it should stop. if its the psu it could be bad caps or coil whine from it be old and worked harder. if its out of warranty you could discharge it and pop the lid to see if there is anything visibly wrong.
 
OK pendragon1, so in Zandronum when I set it to cap fps at 35 via cl_capfps, the whining stopped. I was curious so i undid that and displayed my FPS. There is a separate cvar, vid_maxfps which is set to 400. However, i was showing 800-2000 FPS during the whine. Apparently the maxfps variable is not working for me in this port. I can cap at 35 via the seperate command, so that will do for now. :) I hope this is good news, and that coil whine is normal?

I will need to pay attention to what other instances it whines at and see if it's GPU related.

Thank both of you for tip. I will need to replace PSU sometime in the near future anyway. BTW, how do i safely discharge it? Is it just a matter of unplugging and then hitting the power button a few times?
 
roz1281 said:
OK pendragon1, so in Zandronum when I set it to cap fps at 35 via cl_capfps, the whining stopped. I was curious so i undid that and displayed my FPS. There is a separate cvar, vid_maxfps which is set to 400. However, i was showing 800-2000 FPS during the whine. Apparently the maxfps variable is not working for me in this port. I can cap at 35 via the seperate command, so that will do for now. :) I hope this is good news, and that coil whine is normal?

I will need to pay attention to what other instances it whines at and see if it's GPU related.

Thank both of you for tip. I will need to replace PSU sometime in the near future anyway. BTW, how do i safely discharge it? Is it just a matter of unplugging and then hitting the power button a few times?
Click to expand...
coil whine is "normal" on gpus under really high load or really high fps like that. i get it if i let my fps run free in unigine heaven, when you quit it shows the credit screen and fps will shoot to 3000+ and my gpu screeches.
re discharge, yup exactly that.
 
I also get a quiet 'electrical' sound from the speakers when the processor is spiking (moving a window or hovering over a youtube thumbnail for example).. :p
 
roz1281 said:
I also get a quiet 'electrical' sound from the speakers when the processor is spiking (moving a window or hovering over a youtube thumbnail for example).. :p
Click to expand...
try moving the mouse to different ports. this has been a prob forever and many things can cause it but start there.
 
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