@Hui Wang Hello
for Acer Switch 7, given kernel; " 5.3.0-46 generic #38 testdsp SMP " worked for me. I have my sound back. thank you. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1869799 Title: no sound driver since 5.3.0.42 kernel To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1869799/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs