Installed devices: pcm0: <Realtek ALC887 (Rear Analog)> (play/rec) default pcm1: <Realtek ALC887 (Front Analog)> (play/rec) pcm2: <NVIDIA (0x0051) (HDMI/DP 8ch)> (play) pcm3: <NVIDIA (0x0051) (HDMI/DP 8ch)> (play) No devices installed from userspace.