mgolus said:
Your phone doesn't have an HDMI out, it has an MHL out. I am guessing you have an MHL cable which has what looks like an HDMI connector on one end. Your TVs probably support MHL, but your monitor does not. You will need an HML to HDMI adapter to make this work. I have linked to one below.
http://www.amazon.com/Samsung-MHL-HDMI-Adapter-Packagin...
I forgot to mention, I already have an adaptor made specifically for my phone. So far, my monitor is the first HDMI display to not read it. Even game capture cards are able to read it fine.