Running Bullseye on an Acer Aspire 5 I have no sound - "No output or input devices found" Available controllers revealed by lspci are as follows: 00:1b.0 Audio device: Intel Corporation 9 Series Chipset Family HD Audio Controller 01:00.1 Audio device: NVIDIA Corporation GM204 High Definition Audio Controller (rev a1) Anyone else with this problem, or a solution will be welcomed to my Christmas card list. Thanks in advance. Peter HB