Okay - one step at a time then... Turn sound up on PC. Open device manager - google it if you can't find it through control panel - it's a few levels deep. Plug in the USB and the PC should make a sound "ba-dump" with pitch going up when you plug it in, and second pitch going down when you disconnect. If you don't hear anything, try other USB ports? You must hear the "ba-dump" sound. Then look at device manager. There may be quite a delay - it might say search for drivers somewhere. Even