Hi, missing sound via monitor and HDMI cable following ubuntuusers "HDA" article I found: 0[generic ] - HD-Audio Generic HD-Audio Generic at 0xfcc 88000 irg 62 1[generic_1 ] - HD-Audio Generic HD-Audio Generic at 0xfcc 88000 irq 63 looking for a pci device I found: 05:00.1 Audio device Advanced Micro Devices, Inc. [AMD/ATI] Device 1637 05:00.6 Audio device Advanced Mirco Devices, Inc. [AMD] Family 17h (Models 10h 1fh) HD Audio Controller Codec found: ATI R6xx HDMI My system: Asus Prime A520M-K, AMD Ryzen 7 Pro 4750G, 8x 3,6 GHz, 16 GD DDR4 RAM, 500 GB Samsung 870 EVO Advanced Linux Sound Architecture - Driver Cofiguration Guide said to give notice. Thanks. Stefan Ocken