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Message: [QUOTE="B1GEast, post: 5242444, member: 39"] Try this, check NVIDIA Control Panel (Not Just Windows Sound Settings) The HDMI/DP audio is controlled by the NVIDIA HD Audio controller. Right-click desktop NVIDIA Control Panel Go to Set up digital audio under Display Make sure the correct output (HDMI/DP) is selected for audio. Or your laptop NVIDIA GPU, HDMI audio may actually come from Intel HD Audio depending on how the output routing is set. That’s dumb but real. Open Device Manager Look under Sound, video and game controllers Do you see Intel Display Audio and NVIDIA High Definition Audio? If one is missing, install or reinstall Intel chipset + Intel graphics drivers, not just NVIDIA. Manually Add Disabled Devices Right-click the sound icon > Sounds > Playback tab Right-click in the empty space > Show Disabled Devices Sometimes HDMI audio will only show up as a disabled device—especially after a driver reinstall. If it's there, enable it. Lastly, BIOS/UEFI Settings Dell BIOS sometimes has dumb defaults for audio passthrough. Reboot and enter BIOS (usually F2 at boot). Go to System Configuration > Audio Ensure "Enable Audio", "Enable Internal Speaker", and "HDMI/DisplayPort Audio" (if present) are all checked. Also check under Video > Switchable Graphics or Advanced > Integrated Peripherals—look for Hybrid/Discrete GPU modes that might affect HDMI audio. If your system is set to NVIDIA-only or Hybrid, try toggling that setting and testing both ways (with full reboots in between). If it works you can thank Chat GPT [/QUOTE]

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