Help with cubase 5 please

I can not get my microphone to work on cubase
It says that it is unmapped and it is nowhere to be found in devices
but when i turn the button on the cl2 i moves the curser for cubase
i installed tools and went to application/utilities/audio devices and its not there either
I can’t really explain is so watch my video please and help me out i really want to start recording!!

also the mic works when im using garage band?

http://www.youtube.com/watch?v=EUMcAcHKT8s&feature=youtu.be
http://www.youtube.com/watch?v=EUMcAcHKT8s&feature=youtu.be
http://www.youtube.com/watch?v=EUMcAcHKT8s&feature=youtu.be
http://www.youtube.com/watch?v=EUMcAcHKT8s&feature=youtu.be


update
now i got this to show but still doesnt show when i try to pick my device