My tv. i have a citizen 24" and i accidentaly pull the cable socket fom back of tv so i

Question

 i have a citizen 24" and i accidentaly pull the cable socket fom back of tv so i wanted to hook up through dvd player but in menu on tv it has game mode that i can't seen to get rid of. did i mention i broke facory remote , my so i am using an advent universal. my boyfiend insists that if we can get game mode out it will work. nothing comes up in video 1 or 2 mode can you help