No sound "No audio output device is installed"

Question

Hello everyone and thank you for reading me,

After having tried almost everything, I'm reaching out to you: for the past 2 days, and I suspect this is due to a Windows Update (but I'm not sure), I have no sound on my PC (Lenovo Yoga 3 14'', I can attach a Speccy file if needed for the detailed config).

I tried:

- Troubleshooting the issue using the Windows utility
- Reinstalling the audio driver from the Lenovo site and from the Realtek site, but it ended with another error message
- Messing around in Device Manager
- Complete restoration of Windows with a reset of all files/configuration

But nothing worked... the message, in slightly different words depending on the program, remains the same (basically, no audio device is detected). If you have any ideas, I'm all ears. Usually, I can solve computer problems myself, but this time I'm stuck...

Thank you very much for your help

Configuration: Windows / Chrome 62.0.3202.94

benaquista · Accepted Answer

Hi, open Realtek and right or left click, I don't remember, on the icons representing the audio ports (blue, green, and pink...) and select the option "connector retasking", assign the main output value to one and headphones to the other.

Erwan031284 · Answer

Have you tried reinstalling the motherboard chipset driver? It may not detect the audio chipset because it doesn't have its manufacturer driver...

--
Because the manuals don't say everything...
But they don't say nothing either, right!

francou1 · Answer

Hi, thanks for your reply.

No, I haven't thought of that, do you have any idea where I can find it? I can't find it on the Lenovo website :/

(I should mention that according to the automatic scans from Lenovo software, all my drivers are up to date)

benaquista · Answer

Have you installed Realtek and checked if the audio device appears in the Device Manager (Settings => type "Device Manager" in the search bar)
If yes, open Realtek and click on the icons representing audio ports and select the "connector retasking" option, assign the main output value for one and headset for the other.
Otherwise, Realtek can also be the source of sound problems, so try removing it as a last resort.

francou1 · Answer

Hi,

I just tried to install the High Definition Audio Codecs (Software) from the Realtek website. It seems to have installed correctly, but even after restarting the PC, it doesn't show up in the Device Manager:

Moreover, to make the audio, video, and game controllers appear, I have to check "Show hidden devices"; before, it wasn't necessary, strange.

No sound "No audio output device is installed"

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