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Linux audio - only speakers or microphone available, not both
https://www.dedoimedo.com/computers/lenovo-ideapad-kubuntu-sound.html#:~:text=Once%20the%20machine%20restarts%2C%20in%20your%20Linux%20distribution%2C,ones.%20Select%20Stereo%20Output%20%2B%20Analogue%20Stereo%20Input.
sound - All Audio Outputs Listed as "unavailable ...
https://askubuntu.com/questions/1366744/all-audio-outputs-listed-as-unavailable-unplugged-in-pavucontrol-dummy-out
I'm a new Linux user, Windows 10 refugee. Everything is working well except for audio in my Ubuntu installation. As the title says, in the audio settings, the only audio option is "Dummy Output". When I try pavucontrol, the audio choices are …
Could not open audio device: No available audio device ...
https://github.com/freeserf/freeserf/issues/132
[audio] Could not open audio device: No available audio device. Floating point exception. SDL and SDL_mixer are installed the soundcard also plays the testsounds fine and can be used with alsamixer. The soundcard is the onboard one that is build in my netbook its called System ControllerHub (SCH Poulsbo) HD Audio Controller.
drivers - Trying to read USB Audio Device, but /dev ...
https://unix.stackexchange.com/questions/170259/trying-to-read-usb-audio-device-but-dev-hidraw0-is-unavailable-for-reading
Command sudo evtest /dev/input/event14 does not react on my interaction with device. Input driver version is 1.0.1 Input device ID: bus 0x3 vendor 0xb05 product 0x1743 version 0x100 Input device name: "C-Media Electronics Inc. USB Advanced Audio Device" Supported events: Event type 0 (EV_SYN) Event type 1 (EV_KEY) Event code 113 (KEY_MUTE) Event code …
[SOLVED] Speakers not working, Default audio device is ...
https://www.linuxquestions.org/questions/ubuntu-63/speakers-not-working-default-audio-device-is-headphone-4175673286/
After updating the alsa-base.conf with options snd-hda-intel model=auto probe_mask=1 I rebooted the pc and opened pavucontrol. The default audio device was headphones again but I switched to speakers which it was showing unavailable SS. After that I played some audio and it was working.
No sound on HDMI Ubuntu 20.04 - Ask Ubuntu
https://askubuntu.com/questions/1256043/no-sound-on-hdmi-ubuntu-20-04
Linux kernel issue. On a recent installation of Arch Linux I found out that HDMI audio was not working due to a regression in the Linux kernel. The bug is documented here: Bug 207223 - linux-5.6.x breaks NVidia HDMI audio. The fix was either to revert to a kernel <= 5.6 (version 2020-04-01), or use an LTS Kernel (which I did) and that solved the issue for me.
Trying to read USB Audio Device, but /dev/hidraw0 is ...
https://itectec.com/unixlinux/trying-to-read-usb-audio-device-but-dev-hidraw0-is-unavailable-for-reading/
Trying to read USB Audio Device, but /dev/hidraw0 is unavailable for reading devices drivers usb I'm trying to write a simple driver for my USB Sound Card (just for fun) on Xubuntu 14.04 — for example, I want to have an opportunity to control volume on my laptop via this device.
Linux Mint: How to Select and Configure an Audio Device ...
https://www.technipages.com/linux-mint-select-configure-audio-device
To manage your audio devices in Linux Mint, press the Super key, then type “Sound” and hit enter. Tip: The “Super” key is the name that many Linux distributions use to refer to the Windows key or the Apple “Command” key, while avoiding any risk of trademark issues. Press the Super key, then type “Sound” and hit enter.
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