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I have connected my external speaker to the audio jack that only is powered by an adapter. The audio seems not to be working for some reason. It tells me that there is no soundcards found.

Whenever I load the sound cards by doing sudo lsmod | grep 2835 it returns the following:

enter image description here

So I then attempt to run aplay -l and it still shows me no soundcards found. I also ran the command sudo amixer cset numid=3 1 and it changes it but nothing.

My version is shown below: enter image description here

I also did force the audio to 3.5mm in the audio when running the command sudo raspi-config.

I have this flashed to my SD btw.

enter image description here

Is there something I can do to fix this issue?

Below shows my sound drive for my microphone and lists of items when I do sudo dkms status but nothing shows up when I do aplay -l:

enter image description here

  • I don't understand. Do you mean you are NOT using any original, genuine, unmodified, unhacked, Rpi os image, but something else? – tlfong01 Nov 24 '19 at 2:39
  • It is not clear if the original buster is up to date. Try "uname -a" and let us know if the linux version is 4.19.75... or later. – tlfong01 Nov 24 '19 at 2:52
  • I apologize, fairly new to this. Yes, I am using the 4.19.75. Whenever I run the "uname -a" command this is what gets returned: Linux raspberrypi 4.19.75-v7+ #1270 SMP Tue Sep 24 18:45:11 BST 2019 armv7l GNU/Linux @tlfong01 – beloas Nov 24 '19 at 5:59
  • Ah, let me see. If your linux kernel is 4.19.75... dated TueSep24, then it is the most up to date. The problem might be that your os image AIY Kits 2019-11-03, which is very new, which might not support Rpi4B or something. To troubleshoot, I would suggest the following: (1) Forget the AIY project os image. Just download/use the unmodified 2019sep26 or later image and see if you can play audio, say, use VLC media player to play mp3 files. – tlfong01 Nov 24 '19 at 6:25
  • This is to make sure your Rpi built in audio output circuit (sort of "sound card", but no audio in) is working, or you are configuring the audio output correctly. This is not as simple as you think. Many newbies actually get stuck just in using the 3.5mm jack speaker. – tlfong01 Nov 24 '19 at 6:25

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