No sound on Lenovo X1 Extreme Gen 3

Hello,

That is fairly new. Please consider to provide some more information as described here:

Or see if the information gathered about previous versions of that model will help:
https://wiki.archlinux.org/index.php/Lenovo_ThinkPad_X1_Extreme
https://wiki.archlinux.org/index.php/Lenovo_ThinkPad_X1_Extreme_(Gen_2)#Audio