About audio: have you checked pavucontrol to see which profile is active?
About monitor: what does main monitor mean? You mean that left and right are swapped? You could try wdisplays to check the arrangement of the monitors
About audio: have you checked pavucontrol to see which profile is active?
About monitor: what does main monitor mean? You mean that left and right are swapped? You could try wdisplays to check the arrangement of the monitors