First, do you able to see something if you plug the Pi into a monitor first? Then make sure your tv is configured to take display from hdmi, then only u turn the pi on. I have no HDMI monitor so the TV is the only option. Have you been here: http://elinux.org/R-Pi_Troubleshooting#Display Yes, I've ...

I have looked at the page on http://elinux.org/RPiconfig and have tried 720p combinations for my TV (which I am going to use as a monitor) When the Pi is turned on, the TV message changes from "Check Signal Cable" to "No Signal". I have tried several configurations but it is not working. Can anyone ...