Thought you bought your PC of dood from multiplayers.. Or is this a shitty old PC that you have at uni?
Have you removed the card and dusted it? lil unreleated tip here for ya too.. if ya fan is making noise, clean it, but dont use like gay oil on it or WD40.. use Sewing Machine Oil! tiz vair good
anyhoos.. umm.. yeah GFX card, do as D says.. he has Binary tattoo up his arm that spells Geek.. so he knows best 😀