Re: lenovo internal mic not detected
Make sure you have the latest F14 kernel (yum update)
Use either system->preferences->sound or pavucontrol
Select "Hardware" or "config" and be sure to select something like
Analog Stereo Duplex 1 Input or maybe Analog Stereo Duplex
There may be other issues, but that's a good starting point.
406 Not Acceptable - The requested resource is only capable of generating content not acceptable.
499 Client Closed Request - The connection has been closed by client.