For about the last week or so, my microphone hasn't been picking up sound. I have a built in mic with my headphones. My headphones receive audio fine, so I know they aren't the issue. I have tried uninstalling both the mic and audio manager (I have Realtek HD Audio Manager), as well as checked to make sure it wasn't muted in hopes of correcting the issue, but neither have worked. Additionally, my speakers haven't been playing sound when I unplug my headphones, which is also a new issue. As far as I know, everything is physically connected correctly, so I'm positive that isn't the issue. I use Windows 7 Professional and haven't changed anything recently that i believe would result in messing with my sound. I'm not very computer savvy, but I will provide whatever information I can, and I am grateful for any help you guys can give me. Thanks.