Ok, I just got this HDMI for my 2011 MBP. I hooked it up and notice the computer was on the screen, but under Display (Arrangement) it wasn't Mirrored. When I mirrored it the screen (dimensions) didn't look right on my Laptop or TV. So I unchecked Mirrored and set the TV screen (the one to the right) to 1080p on my LCD Laptop screen to 1440X900. I kept line Input the same (Internal Mic - Built In) and changed Output to Samsung (my TV) but still no sound through my TV. Can anyone help me get sound out of this TV?