In both instances, plugging a mic via the pink 3.5mm jack (front or rear) will prompt the Realtek HD Audio manager to ask what device was attached, so I select microphone input. I'm having an issue with the microphone input on the system - both front panel (built into the HAF 932 case connected via HD Audio to the mobo) and with the rear input which is connected directly to the mobo. I have a fairly new build that's been going strong for about a month now:
