Just installed ubuntu 16 on my alienware 17 R2, and there are no sound. I have tried to unmuted the card from alsamixer. but i think that the hdmi card is set as default. Is it any way to fix this?
lspci -nnk | grep -A3 -Fe '[0403]'
output:
00:03.0 Audio device [0403]: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller [8086:0c0c] (rev 06)
Subsystem: Dell Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller [1028:0688]
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
00:1b.0 Audio device [0403]: Intel Corporation 8 Series/C220 Series Chipset High Definition Audio Controller [8086:8c20] (rev 05)
Subsystem: Dell 8 Series/C220 Series Chipset High Definition Audio Controller [1028:0688]
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
aplay -l
output:
**** List of PLAYBACK Hardware Devices ****
card 0: HDMI [HDA Intel HDMI], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: HDMI [HDA Intel HDMI], device 7: HDMI 1 [HDMI 1]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: HDMI [HDA Intel HDMI], device 8: HDMI 2 [HDMI 2]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: PCH [HDA Intel PCH], device 0: CA0132 Analog [CA0132 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
pactl list short sinks
output:
0 alsa_output.pci-0000_00_03.0.hdmi-stereo module-alsa-card.c s16le 2ch 44100Hz SUSPENDED
1 alsa_output.pci-0000_00_1b.0.analog-stereo module-alsa-card.c s16le 2ch 44100Hz SUSPENDED
setpci -vD -s 01:00.0 0x488.l=0x2000000:0x2000000
output:
0000:01:00.0 @488 ffffffff->(02000000:02000000)->ffffffff
lspci -nnk | grep -A3 -Fe '[0403]'
,aplay -l
, andpactl list short sinks
? Please also make sure that the relevant audio channels inalsamixer
(terminal) orgnome-alsamixer
(GUI) have their volume turned up and aren’t muted. Thanks. – David Foerster Jan 25 '18 at 15:06setpci -vD -s 01:00.0 0x488.l=0x2000000:0x2000000
and report the output please. – WinEunuuchs2Unix Jan 26 '18 at 15:25