Many Samsung HDTVs will not let you select an input source that is not recognized. This has problems trying to Samsung customers to connect their PCs to their TVs with VGA cable causes. This is especially true for Sony PCs. In this video I show you how you think your Samsung HDTV trick that a PC is connected. For more information, visit the PCTVCables.com blog.
http://www.youtube.com/watch?v=inYukzSUprM&hl=en