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2 Posts

06-04-2011

Europe

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Subtle noise when scrolling, moving mouse, other screen activity

2011-06-04, 5:48 AM

Let me say up front: this is *not* about fan noise. I know what fan noise is; I hear it like everyone else; this is something else.

 

The noise I am posting about is hard to describe, but it comes fairly close to classic hard drive noise but it can't be that in this case because my X220 has an SSD.

 

The noise occurs when I scroll in a window, or move the mouse across the screen. It is definitely associated with screen activity.

 

I would love to know what it is. I have it on another laptop as well (ThinkPad T61P).

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51 Posts

05-07-2011

karlsbad

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Re: Subtle noise when scrolling, moving mouse, other screen activity

2011-06-04, 11:28 AM
c4-whining.
if you disable cpu powermanagemant in BIOS it will stop, but it will need more power
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1 Posts

11-03-2012

Canada

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Re: Subtle noise when scrolling, moving mouse, other screen activity

2012-11-03, 0:32 AM

I also noticed this noise and am curious as to what the sounds actually is. I can't imagine the CPU gets scaled each time the mouse moves a tenth of a milimeter.

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1 Posts

05-18-2020

United States of America

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Re:Subtle noise when scrolling, moving mouse, other screen activity

2020-05-18, 1:18 AM

i have  a thinkpad to i have the same problem

 

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5 Posts

11-13-2016

Australia

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Re:Subtle noise when scrolling, moving mouse, other screen activity

2020-05-24, 23:46 PM

Have the same issue on my T490s. Setting Max CPU to 99% in power options stopped this for me. Not ideal as you loose CPU turbo mode, but much better than constantly hearing the noise.
 

 

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27 Posts

12-30-2020

Finland

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Re:Subtle noise when scrolling, moving mouse, other screen activity

2021-03-18, 10:25 AM

I can hear that low "scrathing" noise too with my ThinkPad T490s too.

 

I first thought it came from my mouse moving on the table, but then I moved my laptop and started hearing the noise in stereo. 

 

Edit: Turning off the CPU power management in BIOS seems to solve the issue. I will update if the noise returns. 

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