After years of forum-diving, Reddit threads with 847 replies, and one particularly cursed HP laptop, the community has pieced together a golden path:
Often, the driver is working, but Windows hasn't been told to use the HDMI output. Press , type mmsys.cpl , and hit Enter . On the Playback tab, look for your TV or monitor. windows 10 hdmi audio driver
Silence.
To ensure optimal performance, it is essential to keep the HDMI audio driver up-to-date. Here are the steps to update the driver: After years of forum-diving, Reddit threads with 847