Some DELL computer have not "Stereo Mixer" recording source, so you can't record sound or music from live radio or youtube video. Are you so disappointed? I will tell you one way to fix this problems.

1. click here to download a little tools, then run it.

2. click "start fix" and wait a few seconds, you will be asked to restart your pc.

3. restart your pc, you will found "stereo mixer" options in recording source list.