I can't believe I am still talking about this computer's totally dysfunctional audio system now three years later! Seems most everything is working well in the RTM build of Windows 10. I upgraded from a fresh reinstall of Windows 7 from the restore media. However, I intend to upgrade from Windows 8.1, but I bought Windows 8.1 and want to get the free upgrade for it and the Windows 7 preinstalled version.
The audio did not work correctly with build 10162 either, nor the microphone. It seemed as if I fixed one the other worked. Never appreciated ASUS lack of "real" support for the initial driver problems with this computer. Just bought a good USB headset and wrote it off. When I successfully upgrade it and get the free upgrade on the preinstalled system, i will upgrade from Windows 8.1 to see if that works better.
Hopefully notebook owners will pressure ASUS to at least produce something that work without having to play with all the audio settings! At least for ASUS, it would probably be the last time with Windows now running as a service.