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CPU fan making annoying whirring/bzzing/vibrating noise

Tags:
  • noise
  • CPUs
  • vibrating
  • bzzing
  • Fan
  • buzzing
  • annoying
  • whirring
Last response: in CPUs
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September 10, 2014 9:10:47 PM

Hi guys, hopefully someone will be able to help me.
I recently built a new PC for my wife - 8G DDR3 Ram, i7, nvidia 760 gtx, ROG mobo, 128G SSD, 2TB Seagate HDD and 750W Corsair PSU.

Now the problem seems to be the CPU fan making an annoying whirring/bzzing sound sometimes. I actually recorded it on youtube - https://www.youtube.com/watch?v=LIXGgyfFPYQ

I disconnected the CPU fan - booted and the sound was gone.
Connected the CPU fan and the sound came back - it's hard to hear in the video, but it sounds like a vibrating sound - especially loud when playing Borderlands 2 for example, and then if I quit the game then you hear the sound slowly getting softer and softer, but it doesn't go away.

I already got the stock CPU fan/cooler replace with another one - same issue.

Anyone ever experienced this issue before???

Thanks
Will

More about : cpu fan making annoying whirring bzzing vibrating noise

a b à CPUs
September 10, 2014 9:25:33 PM

Check your temps, if it is very high, then the fans will be on maximum speed which will cause the noise.

Check the mounting screws if they are tight.
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September 11, 2014 2:30:19 PM

Hi Sprinter, I ran CoreTemp and logged the CPU usage while running a tool called HeavyLoad - when the CPU got utilized the fan went crazy - it made a very very loud noise.

Core Temp
http://www.alcpu.com/CoreTemp/

Heavy Load
http://www.jam-software.com/heavyload/

Interestingly enough I did the same thing on my existing computer, and it didn't make a noise like the other PC. I doubt it will be a faulty CPU fan AGAIN (since I already replaced it), but what I'll do this weekend, is swap my CPU cooler/fan with the new PC's one, and see if the sound goes away.

At least then we can eliminate the CPU cooler.
What do you think?

Also which mounting screws are you talking about? The stock CPU cooler/fan just clips in, and then turns to lock in.
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a b à CPUs
September 11, 2014 4:45:29 PM

Oh, hello. Higher temps = higher voltage = higher fan performance = noise and vibration.

*Don`t disconnect the CPU fan and run your computer it is not recommended.

There are 3 possibilities.

1. Thermal Paste: check if there was a preapplied thermal paste in the fan, if not apply thermal paste on it.

2. Cables impeding in the fan: this is mentioned in the manufacturer`s guidelines in installing the fan.

3. Faulty fan: the fan itself maybe damaged.

4. Faulty CPU: the CPU maybe damaged. (worst case scenario)

(yeah I don`t know how to count) :) 

What I mean about the screws was if you were using a aftermarket cooler, since you`re not then disregard that.
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September 11, 2014 5:39:27 PM

Oh haha yeah I just briefly booted the PC for a few seconds and the sound went away (without the CPU fan). I'll avoid booting it for longer ^^,

I'll try my CPU fan and see if it works, there was thermal paste on when I received the fan so I don't think it could be that. I'll double check in any case. Also I doubt it's a wire hitting the fan - I opened it up a couple of times to double check that.
Hopefully it's not the CPU QQ.

Will keep you guys updated.
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September 20, 2014 6:43:07 PM

Replaced the CPU cooler/fan with another one - same amps and everything, and it made the same sound.
Replaced it with a similar one, different amps - and it's working fine.
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