I thought that the jack may have come out so I pulled it out and put it back in and still nothing.
I can also not record in sound recorder so I don't know if it works or not. When I try it brings up an error box (the computers way of saying I don't know

Your audio hardware cannot record files into files like the current file. To record, create a new document.
WTF?? I have created several new documents and it still doesn't work. As well as all this, in ASRC, the radar client we use, I ran the audio setup and when it can to recording my voice to get the sound levels right, it says:
an unnamed file was not found
And, if it's any help, in the menu bar it says mccmfc.
This is really annoying and, yes, I have tried it with different microphones. What can I do to fix this as I can't advance up the controlling ladder without voice.