No sound from the speakers with fresh install XFCE

Hi @kunkun ,

I wonder whether you could read this post, in order to solve your problem.

Gemini Lake sound "Dummy Output" on new Manjaro Gnome installation

I also found in the forum another post which I think it could be useful
XFCE manjaro with no sound at all - #14 by 6x12

Hope it help, regards