![]() Repositioning the cards in the slots did not improve the situation either. Even if I release the graphics card and the audio from the graphics card individually to the VM, the problem does not change. The graphics card is output to the VM complete with all functions via PCIE pass-through. The laptop speakers and headset worked but I cant get my headset mic to work. EDIT 6: I updated it using Device Managers updater, picked drivers from my available listed drivers in my computer and selected High Definition Audio Device. ![]() The Nvidia High Definition Audio Device is simply missing, which is why the driver for it cannot be installed. On or off, Windows still doesnt have a sound. I have already tested various configurations. Nvidia GTX1080TI - secondary card for guest VM Looking for audio drivers for Dolby Home Theater v4, Dolby Advanced Audio v2, Windows 8, or Windows 10 You can find them by visiting the support section. However, I have also found configs with comparable hardware where it also runs perfectly. Either a little something is wrongly set in the BIOS or there is a problem with the hardware itself. So I think it's a problem with the server's host system. However, the image is output hardware-accelerated via the GPU without any problems. Although it works with this card in the other Proxmox server. With the same result: no Nvidia high definition audio device. To check, I tested this card in the system with the 1080TI. I have another Proxmox server in operation in which an Nvidia Quadro P400 runs for a VM with passtrough. Run the Audio Check in HP Support Assistant and also use the Windows Sound troubleshooter. I've tried everything possible and can't get any further. Troubleshooting HDMI Display and Sound Issues, including: Unplugg/Plug HDMI cable Change the HDMI cable Try with another TV Tried to set it as Default device, but since it's 'Not plugged in' it doesn't allow me to do that. I have the problem that I cannot get one of my Proxmox servers to output the audio signal via HDMI from a GTX1080TI graphics card connected via PCIE passtrough. Therefore I am now turning to the International Forum, in the hope that you can help me.
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