So I purchased the Kanex MD port to HDMI cable so that I can watch nteflix on my TV. When I plug it in everything is fine but I am getting these little white dots that scroll/show up on the entire TV screen, they are about a single pixel in size. I have tried different resolution settings and this has not changed anything. my specs are. 1. 2011 MBP 15" 2.0 w/ ATI HD 6490M, TV screen output is set to 1080p 2. Samsung 50" plasma 720p, product info http://www.samsung.com/us/video/tvs/PN50C450B1DXZA-features 3. Kanex MD port to HDMI cable http://store.apple.com/us/product/H4637ZM/A?fnode=MTY1NDA3Ng&mco=MjA4NjU2MjY any thoughts to what could be causing this?