But once you connect an audio device to the HDMI ports then you will find a new line named 'Audio Inputs or Outputs' showing the Yamaha or any other audio device present in the HDMI chain. If you open the Device Manager you will see that under 'Sound, video, and game controllers' it only shows Intel® Display Audio but this not an actual audio chip. When there is an audio device in the HDMI chain like your Yamaha system, the graphics controller of the NUC will detect it and list it in the Sound/play back properties but if the device is disconnected from the HDMI chain or turned off then the NUC won't see it anymore. It sends a digital signal with video and audio information through the HDMI port and it is expected that the device in the other end, in your case the Yamaha component, will be capable to interpret this information and translate it into video and/or audio. The audio streaming is done digitally by the graphics controller through the HDMI ports. This is an expected behavior since the NUC does not have an onboard audio device. I really hope you guys an help, otherwise I'll need to offload this great little device and try something else. Now, Windows 8 does reboot quickly, but I shouldn't have to do this each and every time I use the system. I am really at a loss, and unfortunately this is very frustrating. I am running the latest video HD4000 driver found on the intel NUC downloads site. I looked through the BIOS on the NUC and couldn't find anything that would SEEM to cause this issue. The Windows Home Server is 2011 and is running an i3 as well. I am also positive of this as I have a Windows Home Server hooked up to the same setup via HDMI and the issue doesn't occur. This isn't an issue with the receiver as I have tried the other 4 HDMI ports and all other devices work, and when I try the NUC on those the same issue occurs when I come back. It seems when the HDMI signal from the NUC to the receiver is lost, the audio device issues occurs when the receiver starts back up. My Yamaha receiver is then hooked up to my Samsung Plasma television. My setup is the Intel NUC is connected to an HDMI port on the back of my Yamaha receiver. Again, this only occurs when I turn off my other components and come back later to use the system. I am running Windows 8 Pro and have tried both HDMI ports on the back.

The only resolution is to reboot the system. The speaker in the task tray will show a red X and when I try to auto detect issues it doesn't find any audio devices. However, when I turn off all my components and come back to the system later there are no Audio devices detected. The system sets up flawlessly and I can use it to view and listen to whatever in a browser or via XBMC for streaming stuff from my NAS. I have recently purchased an Intel NUC system (i3, dual HDMI) and while I love the form factor and design I am having issues using this as a HTPC.

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