NVIDIA’s High Definition Audio driver — the small virtual piece of software that lets your GPU carry sound to a TV or monitor over HDMI or DisplayPort — is often the overlooked reason your Windows 10 system shows “No audio” or an “Unknown device / Not plugged in” message, and fixing it is...
NVIDIA’s HDMI/DisplayPort audio (the driver commonly called the NVIDIA Virtual Audio Device, or NVVAD) can be simple to update — but it’s also a frequent source of confusion on Windows 10 when the virtual device shows up as “Unknown device,” when audio over HDMI/DP disappears, or when installer...