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Hi all,
I have been running into a strange problem for a few days:
I don't get any audio from the built-in speakers of my laptop, however my jack/bluetooth headphone works perfectly fine. I am not sure when the problem exactly started because most of the time I'm using my headphone (my fan is noisy)
What I have tried/checked:
- the built-in microphone works fine (on the same card)
- tested both linux and linux-lts kernel. I'm getting the same result
- everything looks fine from gnome: can adjust volume, switch output device, etc. However the sound test won't work on my speakers
- everything looks fine in alsamixer: I can see my card and both output device: Headphone, Speaker. I can control volume/mute. However even though I unmute 'Speaker' and increase the volume I still hear no sound. When I'm doing the same thing with the headphone I get no problem
- similar thing with pavucontrol: I can see music being played in the 'Playback' tab (eg. from Firefox). In the 'Output Devices' tab, whether the card port is set to 'Speakers' or 'Headphones', I can "see" the sound being played back to the device. However I get no sound from my speakers.
Some extra infos (if that can help):
$ pactl list sinks
Sink #0
State: RUNNING
Name: alsa_output.pci-0000_00_1f.3.analog-stereo
Description: Built-in Audio Analog Stereo
Driver: module-alsa-card.c
Sample Specification: s16le 2ch 48000Hz
Channel Map: front-left,front-right
Owner Module: 7
Mute: no
Volume: front-left: 25055 / 38% / -25.06 dB, front-right: 25055 / 38% / -25.06 dB
balance 0.00
Base Volume: 65536 / 100% / 0.00 dB
Monitor Source: alsa_output.pci-0000_00_1f.3.analog-stereo.monitor
Latency: 25417 usec, configured 25000 usec
Flags: HARDWARE HW_MUTE_CTRL HW_VOLUME_CTRL DECIBEL_VOLUME LATENCY
Properties:
alsa.resolution_bits = "16"
device.api = "alsa"
device.class = "sound"
alsa.class = "generic"
alsa.subclass = "generic-mix"
alsa.name = "ALC295 Analog"
alsa.id = "ALC295 Analog"
alsa.subdevice = "0"
alsa.subdevice_name = "subdevice #0"
alsa.device = "0"
alsa.card = "0"
alsa.card_name = "HDA Intel PCH"
alsa.long_card_name = "HDA Intel PCH at 0xec3b0000 irq 131"
alsa.driver_name = "snd_hda_intel"
device.bus_path = "pci-0000:00:1f.3"
sysfs.path = "/devices/pci0000:00/0000:00:1f.3/sound/card0"
device.bus = "pci"
device.vendor.id = "8086"
device.vendor.name = "Intel Corporation"
device.product.id = "a171"
device.product.name = "CM238 HD Audio Controller"
device.form_factor = "internal"
device.string = "front:0"
device.buffering.buffer_size = "384000"
device.buffering.fragment_size = "192000"
device.access_mode = "mmap+timer"
device.profile.name = "analog-stereo"
device.profile.description = "Analog Stereo"
device.description = "Built-in Audio Analog Stereo"
alsa.mixer_name = "Realtek ALC295"
alsa.components = "HDA:10ec0295,10431cb0,00100002"
module-udev-detect.discovered = "1"
device.icon_name = "audio-card-pci"
Ports:
analog-output-speaker: Speakers (priority: 10000)
analog-output-headphones: Headphones (priority: 9000, not available)
Active Port: analog-output-speaker
Formats:
pcm
$ pactl list cards
Card #0
Name: alsa_card.pci-0000_00_1f.3
Driver: module-alsa-card.c
Owner Module: 7
Properties:
alsa.card = "0"
alsa.card_name = "HDA Intel PCH"
alsa.long_card_name = "HDA Intel PCH at 0xec3b0000 irq 131"
alsa.driver_name = "snd_hda_intel"
device.bus_path = "pci-0000:00:1f.3"
sysfs.path = "/devices/pci0000:00/0000:00:1f.3/sound/card0"
device.bus = "pci"
device.vendor.id = "8086"
device.vendor.name = "Intel Corporation"
device.product.id = "a171"
device.product.name = "CM238 HD Audio Controller"
device.form_factor = "internal"
device.string = "0"
device.description = "Built-in Audio"
module-udev-detect.discovered = "1"
device.icon_name = "audio-card-pci"
Profiles:
input:analog-stereo: Analog Stereo Input (sinks: 0, sources: 1, priority: 65, available: yes)
output:analog-stereo: Analog Stereo Output (sinks: 1, sources: 0, priority: 6500, available: yes)
output:analog-stereo+input:analog-stereo: Analog Stereo Duplex (sinks: 1, sources: 1, priority: 6565, available: yes)
off: Off (sinks: 0, sources: 0, priority: 0, available: yes)
Active Profile: output:analog-stereo+input:analog-stereo
Ports:
analog-input-internal-mic: Internal Microphone (priority: 8900, latency offset: 0 usec)
Properties:
device.icon_name = "audio-input-microphone"
Part of profile(s): input:analog-stereo, output:analog-stereo+input:analog-stereo
analog-input-headset-mic: Headset Microphone (priority: 8800, latency offset: 0 usec, not available)
Properties:
device.icon_name = "audio-input-microphone"
Part of profile(s): input:analog-stereo, output:analog-stereo+input:analog-stereo
analog-output-speaker: Speakers (priority: 10000, latency offset: 0 usec)
Properties:
device.icon_name = "audio-speakers"
Part of profile(s): output:analog-stereo, output:analog-stereo+input:analog-stereo
analog-output-headphones: Headphones (priority: 9000, latency offset: 0 usec, not available)
Properties:
device.icon_name = "audio-headphones"
Part of profile(s): output:analog-stereo, output:analog-stereo+input:analog-stereo
Any idea?
Thanks
Last edited by Dpzk (2019-08-16 03:02:12)
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Having same Problem. I will try downgrading pulseaudio and alsa-utils
Last edited by archie9211 (2019-08-21 22:28:01)
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