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I can hear an acute noise from my computer if I play Minecraft in Fullscreen or with a manually enlarged window. What may cause it?

OS: Windows 10 Pro 1511
CPU: i7-6700K
GPU: GTX 980Ti
Java: 1.8.0_66

Edit: I'm uploading a sample video.
I'll paste the link here:


watch this on a phone or something. I can't hear any difference on my pc, but I can clearly hear noise if watch this with a tablet or a phone with 100% volume

I have some news: setting a fixed amount of FPS solved any problem with the noise.. I was playing at 1000-2000FPS. Why I can't play with an unlimited framerate?

hiru
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  • Are you running any mods? – Comic Sans Seraphim Nov 21 '15 at 21:58
  • just optifine.. – hiru Nov 21 '15 at 22:02
  • Is it possible it could be the fan? – Allen F. Nov 21 '15 at 22:04
  • I use a Corsair H100i GTX – hiru Nov 21 '15 at 22:11
  • Not sure if this fits with the rules. @Studoku hey is this allowed? – ave Nov 21 '15 at 22:12
  • Does this happen in any other games? Is the noise coming from speakers/headphones? Does limiting your FPS in options reduce the noise? – SirBenet Nov 21 '15 at 22:19
  • It comes from the CPU area inside the pc, it is not related to the monitor – hiru Nov 21 '15 at 22:28
  • If the noise appears when the GPU is under heavy load (like rendering many blocks in Minecraft) then I'm sure it's harmless but annoying coil whining. It should only happen at very high frame rates. I have/had? this problem with my GPU and it went away after some time, but in the beginning every benchmark with 500+ fps would cause coil whining. – GiantTree Nov 21 '15 at 22:28
  • Have you ever heard the noise coming from an AC-DC Adaptor? I'm talking about that kind of noise – hiru Nov 21 '15 at 22:33
  • Please don't edit the question without actual content (the video you mentioned) as this gets the question to the top of the main page and it shows a (1) on people who are waiting for a question to be asked (like me, lol). – ave Nov 21 '15 at 22:48
  • Sorry, I didn't know that! – hiru Nov 21 '15 at 23:23
  • "It should only happen at very high frame rates. I have/had? this problem with my GPU and it went away after some time, but in the beginning every benchmark with 500+ fps would cause coil whining." -@GiantTree – ave Nov 22 '15 at 13:44
  • Video in question is dead. – pppery Jul 13 '19 at 18:23

1 Answers1

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You stated that it was gone after you limited your frames.

It was likely caused by coil whining, which usually is caused by very high frame rates.

If this happens to you or anyone else in the future, they can do what you did and limit the frame rate/turn on V-sync.​​​​​​

Addison Crump
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ave
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  • Well I think that this makes sense, but why this does not happen when game is in window mode? – hiru Nov 22 '15 at 13:50
  • @hiru you get less FPS in Windowed mode as other parts of the screen (taskbar, other apps etc.) get rendered too. See the answers on this question too – ave Nov 22 '15 at 13:53
  • Also hit the green tick if this answer answered your question. – ave Nov 22 '15 at 13:53
  • So it is because of the amount of pixel rendered at a certain framerate and not a matter of only framerate, am I right? – hiru Nov 22 '15 at 13:59
  • @hiru think of your GPU as a drawing studio with millions of workers. You can get them to draw billions of dots every milliseconds, but as you make them bigger and more advanced pictures, they slow down, and if they don't slow down, they get so fast, that you can hear them scratching the picture. – ave Nov 22 '15 at 14:04
  • @VoteToClose In the future, please don't fill suggested edits with whitespace just to make it happen. If don't have enough of an edit to hit the minimum character limit, don't suggest it; add a comment. – Frank Nov 22 '15 at 14:44
  • @Frank Oh, alright. :D It was a one-letter fix, didn't really seem like that was worth bothering the poster about. – Addison Crump Nov 22 '15 at 14:45
  • @VoteToClose "Fixed question/answer" etc – ave Nov 22 '15 at 14:46
  • @VoteToClose There's a reason there's a minimum character limit; suggested edits add overhead as more people need to review to ensure the edit is good. So if all you're doing is changing one letter, you're wasting other's time. – Frank Nov 22 '15 at 14:47
  • @Frank This is an excellent point. I'm an idiot, I'll keep this in mind. Thanks. – Addison Crump Nov 22 '15 at 14:50