No Sound

[Thomas George <lists@tomgeorge.info>]

systemctl status sound-card1.device

    sound-card1.device - /sound/card1

        Loaded: Loaded

        Active: inactive (dead)

System is Buster Debian 4.19.98-1

Upon reboot to Strectch Debian 4.9.38-2 sound works fine. Where should I 
look to correct the problem in Buster?