not gonna lie this is driving me nuts movie night, everyones on the couch, I hit play on teh PC hooked up to the monitor with speakers and..... silence. Picture perfect, zero sound. The only thing Id changed was installing EVGA UV+ UV12 / UV16 Driver 5.3 earlier that day.

USB Audio Device Properties
Device status:
This device cannot start. (Code 10)
{Operation Failed}
The requested operation was unsuccessful.
the HDMI output used to show up as a playback device in Sound settings, now its just gone. speakers on the PC work fine. what did the update do?