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Before the problem:

  • Windows 10 Home PC. OS build 19042.1526.
  • AMD Ryzen 7 2700X / nVIDIA GTX 1080ti

Sound output to a Yamaha RX-V375 AV receiver via HDMI cable from GPU on this setup.

This setup was working as expected for many months.

The problem:

A couple days ago Windows stopped seeing the receiver as "plugged in." It's still listed in the sound control panel but it's labeled "Not plugged in:"

screenshot

I made no config changes prior to this stoppage of working.

Steps tried:

  • Replaced HDMI cable.
  • Tried all HDMI outputs on PC and inputs on receiver.
  • Switched from GPU to motherboard HDMI output.
  • Power-cycled everything.
  • Reset AV receiver to factory settings.
  • Connected to receiver via S/PDIF output. When using S/PDIF out receiver is detected and sound functions normally. So receiver appears operable probably. But I'd rather use HDMI.

Anything else I could try?

Any tools/techniques including command-line that could give better insight?

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  • Check device manager, reinstall Nvidia driver, reinstall audio drivers
    – mashuptwice
    Commented Mar 8, 2022 at 6:54

2 Answers 2

Reset to default
0

Try to go to Control panel>Device manager>select your computer press rmb select "scan for hardware changes".

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  • Your answer could be improved with additional supporting information. Please edit to add further details, such as citations or documentation, so that others can confirm that your answer is correct. You can find more information on how to write good answers in the help center.
    – Community Bot
    Commented Sep 8, 2022 at 16:05
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I had the same problem but had embarrassingly forgotten that in Windows 10 "Display Settings", I had disabled the AV receiver as an external monitor. I did this because most of the time I only use digital optical output for audio as I find it is more reliable if I'm only doing high definition stereo audio. While doing that, I sometimes disable the AVR "monitor" because there is no monitor connected to it, it's just for audio, and I don't want to waste GPU resources. It may be good to check if the monitor is disabled in "Display Settings" if this is still an issue for you.

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