cant use dual screen on 13.04, wont support hdmi...??? HELP

view full story

http://www.linuxquestions.org – im using ubuntu gnome 13.03 with XFCE desktop (yeah i know) dual screen wont work, its fine with dvi to dvi, but wont do dvi to hdmi, which is what i need for my tv. tries SEVERAL fixes...still nothing, tried all nvidia drivers, but the 319 says its installed when its not, tried many times to no avail. tried installing AMD Catalyst...no joy again...tried display setting..not recognised, tried arandar, not recognised, tried nvidia settings, not recognised.... whatever i try, it still wont detect my tv....its a new plasma, hdmi connection only, no dvi. gotta add, im dissapointed with the way ub (HowTos)