Re: [Trisquel-users] How to use line in port to play music from external source

[davidpgil]

I think you have to rule out that there is no problem with your sound  
hardware first. Do you have some type of other audio interface like a USB  
one? It could be one of those basic ones like this:  
https://thinkpenguin.com/gnu-linux/penguin-usb-20-external-stereo-sound-adapter-gnu-linux-tpe-usbsound