Hello, I have problem with my webcam (HP TrueVision HD) on my HP dv7 6b30ew. My webcam is not listed in device manager, I have installed Cyberlink YouCam, I tried this but doesn't work -> http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&dlc=en&docname=c02452221&lc=en&product=5336987&tmp_track_link=ot_search#N799