I did a fresh install of F17 and discovered that only the headphones (front green jack) play sound. I am unable to play sound using the speakers (rear green jack).
I have an Asus P5Q motherboard and I'm using the onboard sound.
Under Sound Setting -> Output I see two possibilities "Analog Ouput" and "Analog Headphones" but both options only play sound through the front jack when I do a speaker test, nothing happens using the rear jack. Note that I do unplug the fron jack when testing the rear speakers.
"Analog Stereo Duplex" is selected under the Hardware tab when running these speaker tests. I tried other optins, but nothing seems to produce a different result.
All sound works perfectly on the front jack (Rhytmbox, VLC, web stuff, etc.) I just wish that when I unplug the headset, the speakers would kick in.
Also note, this is not an upgrade to F17, this is a "fresh" install - not sure if that makes a difference.
Thanks in advance for any help!