![]() **** List of PLAYBACK Hardware Devices ****Ĭard 0: PCH, device 3: HDMI 0 Ĭard 0: PCH, device 7: HDMI 1 Ĭard 0: PCH, device 8: HDMI 2 Ĭard 0: PCH, device 9: HDMI 3 Ĭard 0: PCH, device 10: HDMI 4 You can also check Latest HD-Audio Codec-Specific Models for possible quirks for your device. See what others with that output have done. While your computer's code might be different, that code is a key to finding your solution. Run aplay -l in a terminal to verify the sound cards are recognized. the output indicates N/A), you likely need to install a newer kernel series to get the drivers. Also, your computer may use a driver other than snd_hda_intel or the SOF drivers. Your kernel driver might change if you change kernels. While snd_hda_intel is the most common driver for older kernel versions, the SOF drivers (last example above) are becoming more common with newer kernels. Sound Server-1: ALSA v: k6.0.0-1009-oem running: yes Sample LM21 with the 6.0-oem kernel installed:ĭevice-1: Intel Comet Lake PCH-LP cAVS driver: sof-audio-pci-intel-cnl Sound Server-3: PipeWire v: 0.3.48 running: yes Sound Server-2: PulseAudio v: 15.99.1 running: yes Sound Server-1: ALSA v: k5.15.0-52-generic running: yes Sample LM21 with the 5.15.0-52 kernel installed:ĭevice-1: Intel Celeron/Pentium Silver Processor High Definition Audioĭriver: snd_hda_intel v: kernel bus-ID: 00:0e.0 Sample LM20 with the 5.4.0-91 kernel installed:ĭevice-1: Intel 6 Series/C200 Series Family High Definition Audio vendor: Hewlett-Packardĭriver: snd_hda_intel v: kernel bus ID: 00:1b.0 chip ID: 8086:1c20 SoundWire is not used in Linux Mint 20 nor Linux Mint 21. Note: PipeWire is not part of the default install of Linux Mint 20, but it is part of Linux Mint 21. Run inxi -Axxx in a terminal to verify the drivers are installed. How to fix volume control (ALSA problem).This older reference How to Use PulseAudio to Manage Sounds on Ubuntu 18.04 has screenshots and explains some of the functionality available in Pulse Audio Volume Control.Check to see if adjustments there help you gain sound output. An app with more configuration options, Pulse Audio Volume Control, can be added either through Software Manager or from the command line with apt install pavucontrol.The Sound app will be your first step to check for listed sources and volumes.When experimenting or making changes, remember to take incremental Timeshift snapshots or some other system backup to make reverting to a prior state easier.If you have sound coming from both the speakers and the headphones simultaneously, install pavucontrol (see "Audio Volume Options" section for instructions), then start alsamixer and look for the Auto-Mute Mode setting and make sure it's enabled.There are several solutions listed which may help you if you do. If you have an Apple Macbook or iMac and no sound card is showing, please see the "Apple Computers with CS8409 sound cards" section in this topic to see if you have that sound card.If you are having issues with 5.1 or 7.1 surround sound and running a Linux Mint 21 version please see the "Surround Sound" section in this topic.See Tips for Troubleshooting Graphics Issues (including external monitors not working) for information on how to check graphic driver installation. If you are missing HDMI audio, make sure the graphics drivers are installed.If you are getting a beep/screech or other sound problems with Intel Atom, Celeron, or Pentium processors on Linux Mint 21, check the "BEEP with Intel Atom/Celeron/Pentium Computers" section in this topic.Check the "Chromebooks" section in this topic. Chromebooks have different firmware than other computers and may require special firmware versions if it is even at all possible to get sound with it.If you are dual-booting with Windows, make sure fast start-up is disabled How to turn off fast startup or hybrid sleep in Windows.Try a different headphone, microphone, or speaker.Check the Networking forum for advice about bluetooth connections.Try removing and re-adding your devices.If using the front ports then try the rear ports. If using a wired device, try a different port on your computer.For external devices such as headphones, microphones, or speaker:.It is possible for there to be no sound from the speakers, but you will have sound through the headphones or through your external speakers or through your monitor's speakers. Check the audio is on and volume is turned up.
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