I do not hear anythign out of my headphones. I am using the U-Mix Control Pro connected directly to an alienware laptop. I followed the directions for set up and I hear nothing. I have a gigi tonight and would really like to use my new mixer.
HELP!!!!

software Cross DJ
mixer - U-Mix Control Pro
PC - alienware laptop
sound setup: dual stereo with master going to output one and cue to output 2.
How do I know the U-Mix integrated soundcard is working????