我在用Ubuntu 18.04在戴尔 Vostro 15笔记本电脑。声音设置令人惊讶的是没有找到任何音频设备。以下是屏幕截图：
以下是输出：-
lspci -nnk | grep -A3 Audio
00:03.0 Audio device [0403]: Intel Corporation Haswell-ULT HD Audio Controller [8086:0a0c] (rev 0b)
Subsystem: Dell Haswell-ULT HD Audio Controller [1028:065c]
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
00:14.0 USB controller [0c03]: Intel Corporation 8 Series USB xHCI HC [8086:9c31] (rev 04)
--
00:1b.0 Audio device [0403]: Intel Corporation 8 Series HD Audio Controller [8086:9c20] (rev 04)
Subsystem: Dell 8 Series HD Audio Controller [1028:065c]
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
00:1c.0 PCI bridge [0604]: Intel Corporation 8 Series PCI Express Root Port 1 [8086:9c10] (rev e4)
aplay -l
**** 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 0: HDMI [HDA Intel HDMI], device 9: HDMI 3 [HDMI 3]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: HDMI [HDA Intel HDMI], device 10: HDMI 4 [HDMI 4]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: PCH [HDA Intel PCH], device 0: ALC3234 Analog [ALC3234 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
sudo pactl list short sinks
Failed to create secure directory (/run/user/0/snap.pulseaudio/pulse): No such file or directory
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
由于这个原因，我无法使用任何声音驱动程序。它总是静音。
该怎么办 ？？？
答案1
这里有几个选项https://www.linuxuprising.com/2018/06/fix-no-sound-dummy-output-issue-in.html。当我在 19.10 中遇到类似问题时，选项 #1 对我来说很有效。