HDTV trouble

[iori yagami]

i have problem connecting my comp to my hdtv

pc monitor is connected with vga, hdtv with dvi>hdmi

catalyst contorl center shows the hdtv but there is no picture on the tv itself

help please

 

[vick1000]

Do you have the Catalyst drivers set to display a compatable resolution for the TV? Is the TV on the proper display channel to display that input? Will the TV display if you disconnect the monitor?