@kaihengfeng This is the cat /proc/cmdline output after I run sudo update-grub and reboot BOOT_IMAGE=/boot/vmlinuz-5.4.0-48-generic root=UUID=a4fd6950-d770-40a6-9863-f35146cfaf67 ro quiet splash snd_hda_intel.model=hp-mute-led-mic3 vt.handoff=7 A full dmesg is also attached.
** Attachment added: "dmesg2" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1891100/+attachment/5421360/+files/dmesg2 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1891100 Title: hp notebook 15-da0001nk sound mute led not working To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1891100/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
