
Within this process, it will get replaced through the backup files of the drivers which were installed before the most recent updates. If the NVIDIA no sound issue started occurring after installing the latest drivers for the Graphic cards, then rolling back the Graphic drivers can help. Once the installation process is successful gets completed, check whether the issue has been solved or persists. Let the installation process get completed.Here tick the checkbox located before the option “Perform a clean installation” and click on Next. On the next screen, you may now see a list of components that will get installed.Now on the installation screen, choose the Custom (Advanced) option and then click on Next.Save and open it into your system and then follow the on-screen instructions.Once found, click on it and select the Download tab.From the list of available drivers, scroll for the required entry.On the downloading menu, fill in the information about your Graphics card driver and your operating system, then click on Search.Visit the official website of NVIDIA and look for your Graphic card driver.Confirm the on-screen prompt instructions for the Uninstallation process and then let it complete on its own.Now Right-click on the Graphic card and choose the option “Uninstall device.”.


It disappears when Steam VR exits though. It then blinks the screens and audio on the HMD is detected by the computer everywhere is should be.

Still same issue with the audio as before system doesn't see it at all until Steam VR starts mirroring audio to my HDMI monitor. Day time now and pass thru camera working well after driver reinstall and daylight outside. Well fresh Nvidia driver install did fix my camera issues. I Have the latest NVIDIA drivers but will try a fresh clean install of them to see if that fixes the issues. The pass thru cameras are very dark and hard to see anything not sure if something is wrong with them as well. Have to leave it to mirror audio to the monitor on an HDMI port or it will be lost on Steam VR restart. When I do that the Index pops up as an audio output in the drop down menu and the computer will then see the HMD as an audio output. A quick fix for me was mirroring audio in Steam VR settings to my monitor with no speakers.
