It was not the Edid.dat file, but serial console configuration that was interfering with the HDMI not working. :arrow: Go to the config.txt file under Boot directory and change "enable_Uart=1" to 0. It is turn on by default. :D I hope that this will help others who are having the same issue with HDM...

Thanks for the suggestion but, I tried to connect to my TV using HDMI. I changed the group to CEA and selected a mode for that category, but got the same results. So its not an issues at the physical layer. I think its has to do with the EDID.dat file that has the resolution configuration settings. ...

I can't get my monitor to display anything other the the rainbow screen screen. I have a Dell P2414H (1080p)monitor that will support 1280x720. I have the config.txt set for hdmi_group=2 and hdmi_mode=85. The monitor is connected using a DVI connection with a adapter to HDMI. Is there something else...