Fixing Audio on Dell 16 Plus with Ubuntu: Intel Lunar Lake RT722 Codec
If you’ve just installed Ubuntu on a Dell 16 Plus and found yourself staring at “Dummy Output” in your sound settings, you’re not alone. The culprit? Intel’s brand new Lunar Lake audio hardware with the RT722 codec - hardware so cutting-edge that Ubuntu’s audio stack doesn’t quite know what to do with it yet. The Problem After a fresh Ubuntu installation on the Dell 16 Plus, the system shows: “Dummy Output” as the only audio device No speakers or headphones detected wpctl status showing no real audio sinks Under the hood, the hardware is detected (aplay -l shows devices), but PipeWire/WirePlumber can’t create usable audio endpoints because:...