Finding Sound Card as Device on Acer Laptop

Using Audcacity 2.0.01
Only devices listed in Preferences are the microphone and sound mixer. Unable to record off the sound car, only through the microphone. Any help?
Using Windows 7.

See here:

Recording YouTube sound is not a guaranteed service like speakers, headphones and microphone. Some of the newer computers have been coming with that service missing.

You’re the only group who wants that. The manufacturers and producers would just as soon you buy music from them and not record it free.