high definition audio device not plugged in

My computer was not playing sound from Google Chrome, so I opened the sound manager and clicked the "Configure" button after selecting "Speakers". Half way through the configuration the GUI changed and only displayed a message saying the speakers were unplugged. Ever since then the audio...

I am having an issue where none of the built in jacks are working for me. I have a mic plugged into the jack at the back, but I get no audio from it at all, and when I plugged another mic into the jack in the front, it got detected but I still got no indication of any sound coming in from that...