Installed devices: pcm0: <NVIDIA (0x0081) (HDMI/DP 8ch)> (play) pcm1: <NVIDIA (0x0081) (HDMI/DP 8ch)> (play) pcm2: <Realtek ALC671 (Rear Analog)> (play/rec) pcm3: <Realtek ALC671 (Analog)> (play/rec) pcm4: <USB audio> (play/rec) default No devices installed from userspace.