Window 8.1 - no analog sound with realtek

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http://hardforum.com – I've got a GA-H61N-USB3 mini-itx box that pulled Linux server duty till I had to hit the road. For better or worse, I thought to give Windows 8.1 pro (MSDN) a try on the hardware. Most of the drivers were there and worked - but I'm still baffled by the sound. The Digital output looks like it is working - see the green volume go up and down - but I can't for the life of me get the old analog green port speaker/headset port to work. The realtek control panel says no speaker is plugged in. I've tried the microsoft fixit tool, removed the chassis cable to the front panel, re-installed the dri (Hardware)