Installed devices: pcm0: <Realtek ALC887 (Rear Analog)> (play/rec) pcm1: <Realtek ALC887 (Front Analog)> (play/rec) pcm2: <Realtek ALC887 (Internal Digital)> (play) pcm3: <Realtek ALC887 (Rear Digital)> (play) pcm4: <NVIDIA (0x0072) (HDMI/DP 8ch)> (play) pcm5: <NVIDIA (0x0072) (HDMI/DP 8ch)> (play) pcm6: <NVIDIA (0x0072) (HDMI/DP 8ch)> (play) pcm7: <NVIDIA (0x0072) (HDMI/DP 8ch)> (play) pcm8: <USB audio> (play/rec) default No devices installed from userspace.