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#1 2015-08-11 17:46:21

Registered: 2015-03-07
Posts: 1

No sound HP Spectre x360 - Intel Broadwell-U Audio Controller

I unmuted the sound card's master volume using amixer, however, I am not getting any audio output.

It seems that a bug report has been filed here,, as well as another user having the same problem here,

Someone was able to create a fix on Debian, but I am not sure how that would translate to Arch, … -p/4980797

Some additional information. The soundcard on my device is 00:03.0 Audio device: Intel Corporation Broadwell-U Audio Controller (rev 09)

Installing pavucontrol, the only output device listed is HDMI/displayport (unplugged). Going to the playback tab, when I start a video on Youtube, there's a bar that keeps going back and forth called silence, however, there is still no audio.

Edit: There seems to be a workaround for BIOS motherboards and those using GRUB as the bootloader.

In /etc/default/grub, the line GRUB_CMDLINE_LINUX_DEFAULT should be edited to:

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_osi='!Windows 2013' acpi_osi='!Windows 2012' acpi_backlight=vendor acpi_backlight=video video.use_native_backlight=1"

Problem is for those using bootctl as part of systemd for UEFI motherboards.

Thanks for your time.

Last edited by jungoo_kwak (2015-08-12 15:40:02)


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