Installed devices: pcm0: <Realtek ALC663 (Analog 2.0+HP/2.0)> (play/rec) default pcm1: <Realtek ALC663 (Rear Analog Headphones)> (play) pcm2: <Realtek ALC663 (Onboard Digital)> (play) pcm3: <NVIDIA MCP78 (Digital)> (play) No devices installed from userspace.