Hi, I was surprised, but none of these settings helped. Mode was set originally to options snd-hda-intel model=headset-mode-no-hp-mic
sudo hda-verb /dev/snd/hwC0D0 0x20 SET_COEF_INDEX 0x8e sudo hda-verb /dev/snd/hwC0D0 0x20 SET_PROC_COEF 0x20 //check if headphone can output sound normally? Running speaker-test: very very quiet sudo hda-verb /dev/snd/hwC0D0 0x20 SET_COEF_INDEX 0x19 sudo hda-verb /dev/snd/hwC0D0 0x20 SET_PROC_COEF 0x317 //check if headphone can output sound normally? same result sudo hda-verb /dev/snd/hwC0D0 0x20 SET_COEF_INDEX 0x67 sudo hda-verb /dev/snd/hwC0D0 0x20 SET_PROC_COEF 0x1110 //check if headphone can output sound normally? same result sudo hda-verb /dev/snd/hwC0D0 0x20 SET_COEF_INDEX 0x4f sudo hda-verb /dev/snd/hwC0D0 0x20 SET_PROC_COEF 0xc429 //check if headphone can output sound normally? same result -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1851518 Title: [950SBE/951SBE, Realtek ALC298, Speaker, Internal] No sound on internal speakers, very very quiet on headphones To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1851518/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs