Same issue her with an Acer VN7-572G: Card: HDA Intel PCH F1: │ Chip: Realtek ALC255
lspci | grep -I audio 00:1f.3 Multimedia audio controller: Intel Corporation Sunrise Point-LP HD Audio (rev 21) cat /proc/asound/cards 0 [PCH ]: HDA-Intel - HDA Intel PCH HDA Intel PCH at 0xa4320000 irq 135 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1523100 Title: Alsa not detecting internal microphone [ALC255] (Realtek) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1523100/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs