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33 Posts

12-20-2013

Germany

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  • Message 1 of 6

Yoga 2 Pro Screen buzzing sound at less than 100% Brightness

2014-03-12, 9:54 AM

Hey!

 

Im working in a quiet environment and can hear the screen buzzing when the fan is not running( Thanks to the good thermal management, its hardly running at a office work load). The buzzing sound, though, is far more annoying to me than the fan because its so high pitched.

 

The buzzing occurs at less than 100% brightness down to about 40%. Its most annoying at 70% , which is the perfect daylight brightness setting in my opinion.

 

 The 2 Yogas I've had , had this issue. Production dates were 12/21/2013 and 01/14/2014.

 

Can other yoga 2 pro owners test it on their machines ( you`ll need a quiet enviroment) and it would be great if Lenovo could make a statement concerning this issue as well. Could this be fixed by a Bios or driver update ?

 

I really wanna know if its worth to return my Yoga for a new one or if this is a general issue.

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62 Posts

12-11-2013

Poland

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  • Message 2 of 6

Re: Yoga 2 Pro Screen buzzing sound at less than 100% Brightness

2014-03-12, 10:47 AM

I experience exactly the same issue, also 70% is the worst. 

Seems like faulty/bad quality voltage regulator for LED backlight.

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142 Posts

01-01-2014

georgia

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  • Message 3 of 6

Re: Yoga 2 Pro Screen buzzing sound at less than 100% Brightness

2014-03-12, 12:36 PM
Just a data point, I don't have this issue, it may be device/manufacturing/component specific. I bought my Y2P in late Nov '13.
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11 Posts

02-08-2014

France

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Re: Yoga 2 Pro Screen buzzing sound at less than 100% Brightness

2014-03-16, 13:53 PM

Same for me.

 

I alrdy created a topic for this noise, but lenovo deleted it ...

Date is october for me

 

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22 Posts

11-20-2013

Vancouver

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  • Message 5 of 6

Re: Yoga 2 Pro Screen buzzing sound at less than 100% Brightness

2014-04-30, 12:47 PM

Sound is most likely coming from GPU or cheap voltage regulator.  If you disable the yellow fix (run in stable mode) the buzzing occurs in different ranges of brightness.

 

Some people less tolerant to high pitch sounds so able to hear it while some can't

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145 Posts

03-11-2012

dc

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  • Message 6 of 6

Re: Yoga 2 Pro Screen buzzing sound at less than 100% Brightness

2014-04-30, 13:14 PM
yogasopro, are you sure "lenovo" deleted your topic? My guess is that one of the moderators, who does not work for lenovo, merged your thread with another one on the same topic.
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