So, some hour or two later with no audio, I've done a hard reboot, the troubleshooter is still informing me "Device not plugged in" referring to the headphones or the analogue audio. HDMI audio is...

So, I ran the sound troubleshooter again, just because I could. This was after I had plugged in and then removed a pair of USB headphones.

I get this response.

97688

HDMI audio is definitely...

Well, I booted today with the webcam unplugged, still no audio. I reboot my PC, (which was often helping in the earlier days of the error) power cycled my AV receiver (which has helped once or...

I can't say for sure it was the anniversary update, but audio troubles have been noticeable since then. What little information I had found about said update was the usual "check your drivers"...

That's some odd advice. Neither of these things have been problematic since long before I was having audio troubles, and nothing has changed besides the usual system updates... I really should...

Windows 10 is showing no driver complications (and so it shouldn't, given it's across 3 or 4 different audio outputs), and the sound settings troubleshooter says everything is functioning fine. It...

The USB headset was just an example, I also have analogue audio outputs and spdif amongst my outputs, and regardless of what is plugged in and configured, there is absolutely no sound, as mentioned...

I've tried multiple audio outputs, I've rebooted my AV receiver, I've done everything typical that could be done. Yes, HDMI audio is on by default. There is absolutely nothing wrong with the sound...

That's exactly how my audio settings are and have been since I've had this computer. I double check this when I'm plugging in headphones etc too.

So, I transitioned flawlessly to Windows 10 on release day in 2015, everything was working flawlessly, beside the odd intermittent bug of little relevance.

Now 1 year later things have been a lot...