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9 Posts

11-24-2014

United States of America

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  • Message 1 of 5

After latest BIOS update, audio not working on Yoga C930

2020-04-15, 20:04 PM

One of the major selling points of the Yoga C930 is its audio quality, but only one or two of the total speakers actually work. This has been an open bug for a long time, and it seems impossible to contact Lenovo developers about this. 

 

I keep hoping that a new BIOS update will bring with it proper initialization of the speakers, since the received wisdom about this problem is that "there are some I2S amplifiers on the path to speakers and the BIOS has only limited initialization." But after installing the BIOS update from a month ago, there has been no resolution of this issue. So development continues on the BIOS for this machine, but Lenovo doesn't seem to care that hundreds of users who don't use Windows have non-working speakers and microphones.

 

So what we need is for Lenovo BIOS developers to release an update, like they did for the X1 Carbon series, that properly initializes these amplifiers so that audio works correctly outside of Windows. Is that possible? 

 

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8 Posts

12-16-2019

Canada

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Re:After latest BIOS update, audio not working on Yoga C930

2020-04-19, 16:37 PM

I add my voice here, c930 a high end ultrabook from Lenovo, Its disappointing that its taking them this long to address this.. 
from what I read it affects the c940, which means that they dont even pay attention or listen to feedback when they design the sequel device

again for a +1k ultrabook this is disappointing.

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1 Posts

05-13-2020

Spain

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  • Message 3 of 5

Re:After latest BIOS update, audio not working on Yoga C930

2020-05-13, 10:32 AM

Nice laptop and all. But I still have 15 days to return it no questions asked. I'll do that.

This laptop is very commited to be Windows only....

https://github.com/droserasprout/lenovo-yoga-c930-linux

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41 Posts

02-21-2020

Switzerland

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Re:After latest BIOS update, audio not working on Yoga C930

2020-05-13, 14:09 PM
Have you tried to post in the Linux Forum? Or at least to mention, that you are referring to a Linux Problem?
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12 Posts

10-31-2017

United States of America

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  • Message 5 of 5

Re:After latest BIOS update, audio not working on Yoga C930

2020-10-02, 19:25 PM

The C930 is nice hardware, but unless they pay some attention to this issue, it'll be the last Lenovo I ever buy. No one is asking for anything from Lenovo except the information needed to properly operate the device. A bios update would be great, but simply knowing how the speakers are initialized would be adequate.

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