PSN Video and Music General

[Soadkill]

i updated my system to the lates verison and it reset my default setting so when i loaded up my game it wasnt in HD, when i goto my video seting and i clikc on 1080 24hz output then i click it to on it changes the settings to HDMI and when im asked if i want to keep it the screen goes blank then it goes back to the non HDMI format. but it says that its on hdmi when its not, i click to turn it off it doesnt change so i like to turn it on again it changes to hdmi i clikc yes to keep it that way and it jsut goes back to non HDMi.....................any suggestions?