[Solved] No Audio Device Installed, No Sound after HDMI Connect to TV, Headphones & Stereo Mix Issue

Hello, yesterday I connected my computer to TV via HDMI and this started my problem with sound.

The point is that when I plug in my headphones, I keep writing "no audio device installed".

When I choose to automatically detect problems I get something like this:


Interestingly, when I enter the manager, it detects "speakers" for me, which is probably strange, because I only have headphones connected (no sound opening works.)
menadz..jpg Download (80.71 kB)

Another issue was that when I entered the sound settings, the "stereo mix" turned off, even though it was always on. I can't apply any changes, e.g. trying to turn on the stereo nothing happens, same as e.g. trying to turn off the speakers.
dzwiek..jpg Download (89.23 kB)

Here I am throwing a screen from the device manager:
menadz..png Download (7.79 kB)

I don't know what's going on, very strange thing, I've never had this kind of problem.
Can anyone help me? Best regards.

Check the "playback" tab that the RealTek Digital Output option is selected. If not, set it up. HDMI carries the sound and is supposed to have this option set. If you didn't see such an option, right click and select "show disconnected devices" and "show uninstalled devices" from the menu - it will probably be written differently, but something like that. And then select, install, enable Realtek.

jowyma wrote:

Check the "playback" tab that the RealTek Digital Output option is selected. If not, set it up. HDMI carries the sound and is supposed to have this option set. If you didn't see such an option, right click and select "show disconnected devices" and "show uninstalled devices" from the menu - it will probably be written differently, but something like that. And then select, install, enable Realtek.

There is no Realek Digital Output option in the "playback" tab, even though I have everything selected. I even reconnected the HDMI, nothing helped either, only this NVIDIA ~ appeared
azax.jpg Download (52.66 kB)

It is really strange that nothing happens when I click turn off / on / test /
[movie: cd82598bbd] https://filmy.elektroda.pl/81_1520182903.mp4 [/ movie: cd82598bbd]

Speaker configuration - select stereo. Plug the speakers or headphones (it does not matter for PCs because it detects even a jack plug without a cable) to the green socket on the back of the PC.

310artur wrote:

Speaker configuration - select stereo. Plug the speakers or headphones (it does not matter for PCs because it detects even a jack plug without a cable) to the green socket on the back of the PC.

Unfortunately, after plugging headphones into the rear input, nothing changed.
I also tried to change to stereo, but after exiting and re-entering the settings, by default nothing was selected even though I selected stereo ...

I am reminded that I have yet to uninstall SplitCam which may have been contributing to the problem. Once, I had a similar problem with my laptop, because it was under warranty. They fixed immediately said that the problem was some lack of sound power.

Maybe it's the same here? :>

Reinstall the sound driver to be sure.
http://www.realtek.com/downloads/
high definition audio continue labeling further choose the latest version suitable for your system (32 or 64bit)

310artur wrote:

Reinstall the sound driver to be sure.
http://www.realtek.com/downloads/
high definition audio continue labeling further choose the latest version suitable for your system (32 or 64bit)

I downloaded and installed it, nothing has changed after the PC reset.
The same inscription "no audio output device installed" all the time and "audio device is disabled" detection.

But the situation is strange, because after plugging in the headphones I hear such a slight noise, which means that everything is okay. But, unfortunately, the sound itself is not there.

Right on the speaker and the volume mixer show the screen
Playback devices, right on speakers and screen properties
Right on the speakers and test - do you hear something?
You have something mixed up and it's probably easy to unscrew it, but at a distance it's a massacre to look in the system where something "turned off"
Do you have your TV connected all the time? Like this device for playback, right on this Nvidia from LG and select "off" - there will be no sound after HDMI on the TV. If you want to go there, you have to turn it on later.

310artur wrote:

Right on the speaker and the volume mixer show the screen
Playback devices, right on speakers and screen properties
Right on the speakers and test - do you hear something?
You have something mixed up and it's probably easy to unscrew it, but at a distance it's a massacre to look in the system where something "turned off"
Do you have your TV connected all the time? Like this device for playback, right on this Nvidia from LG and select "off" - there will be no sound after HDMI on the TV. If you want to go there, you have to turn it on later.

So yes, screen z from the property:
sakam.jpg Download (157.82 kB)

When you click test, nothing happens, the more you hear nothing.

There is something mixed up, but I would not say that it is easy to unscrew:>
It's all confusing, for example, this whole "sound" panel does not respond to the main commands such as turn off / on, etc.

Now I am connected to the monitor via a DVI adapter (as always.)
But when I was on TV, I tried to turn off Nvidia from LG, but nothing happened. Just as I would like to turn off the realtek speakers now, nothing goes either, only when I disconnect the headphones, I write that it is disconnected.








******************
So yes, the matter was settled, I went to the website, they helped me on the spot, as I wrote, it was about the lack of permissions.

Maybe it will be useful for posterity, so I will write how I dealt with this trash:
[WINDOWS + R] regedit
HkeyLocalMachine> Software> Microsoft> Windows> CurrentVersion> MMDevices> Audio> Renderer

And right on the permissions and you had to tick and everything, problem solved.