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6 Posts

09-22-2016

United States of America

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P50 persistent small noise problem.

2016-09-22, 2:13 AM

My new P50 (Xeon, 64G Non-ECC, M2000, 512SSD, 512HDD) has a consitant noise when it's on. It's not very loud, under heavy work load when the fan starts to spin you can hardly hear it. But it is very annoying when you are trying to read pdfs or writing papers in a quiet room, since it's a kind of irregular morse-code noise. 

At first I think it's the hard drive, but the noise stays when there is no work load at all. It's not likely to be the fan noise either because it's irregular, and more like the sound of short electricity.

 

Is this sound normal? Where is the noise come from? Does anybody have the same problem? 

P50 (2016, Xeon 64G M2000M) | Y50 (2014, i7 16G GTX860M) | T420 (2010, i7 4G NVS4200M)
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6 Posts

09-22-2016

United States of America

12 Signins

159 Page Views

  • Posts: 6
  • Registered: ‎09-22-2016
  • Location: United States of America
  • Views: 159
  • Message 2 of 6

Re: P50 persistent small noise problem.

2016-09-22, 2:17 AM

More description to the problem:

I find that the noise seems to exist when the computer is idling. Whenever I turn on or off large programs, say Rhino, Photoshop or Indesign, the noise stops for the few seconds when the computer is opening or closing these software. 

P50 (2016, Xeon 64G M2000M) | Y50 (2014, i7 16G GTX860M) | T420 (2010, i7 4G NVS4200M)
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1 Posts

12-07-2016

Switzerland

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Re: P50 persistent small noise problem.

2016-12-07, 8:16 AM

Same here, it is extremely annoying, given that it is not the usual fan noise but a sort of high frequency electrical noise.

I tried to make a program to use a certain % of the CPU or to perform disk I/O, the problem is that then the fans will start spinning faster and they are even more noisy.

It is a major nuisance, if it was not the company laptop I would have looked for other options, seriously.

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2 Posts

02-12-2017

United Kingdom of Great Britain and Northern Ireland

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Re: P50 persistent small noise problem.

2017-02-12, 16:24 PM

Same specs as OP.

 

Found this on youtube: Is this it ?

 

https://www.youtube.com/watch?v=DDNUiNCGoX8

 

 

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6 Posts

09-22-2016

United States of America

12 Signins

159 Page Views

  • Posts: 6
  • Registered: ‎09-22-2016
  • Location: United States of America
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  • Message 5 of 6

Re: P50 persistent small noise problem.

2017-02-12, 19:49 PM

Yes! This is it! Do you have the same problem? Have you tiried the methods given by Honza in youtube link? I have sent the machine back to Lenovo for repair but they said they couldn't find anything wrong with it.

P50 (2016, Xeon 64G M2000M) | Y50 (2014, i7 16G GTX860M) | T420 (2010, i7 4G NVS4200M)
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2 Posts

02-12-2017

United Kingdom of Great Britain and Northern Ireland

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  • Message 6 of 6

Re: P50 persistent small noise problem.

2017-02-15, 21:36 PM

I do, it's a little bit annoying. 

https://en.wikipedia.org/wiki/Coil_noise

Apparently there's nothing we can do about - the cause ? Just subpar components that Lenovo used (transformers, soundproofing, etc).

 

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