As explained in https://elubuntero.wordpress.com/tag/realtek-alc268/ , I tried to add linux-backports-modules-*** but this package isn't anymore in Ubuntu and Mint repositories.
I tried all options as explained in https://doc.ubuntu- fr.org/audio_intel_hda , no result. Please heeeeeelp. ** Changed in: alsa-driver (Ubuntu) Status: Invalid => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/374079 Title: Internal microphone doesn't work at all To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/374079/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs