just bought new 480 was playing for a few hrs no problems, then i decided to see what presicion was about so i installed it but didnt mess with any oc'n just was seeing what is was about then went back to playing a game but now i have lines like flickering on my monitor i have no clue whats going on i reinstalled the drivers deleted that prescion thing still nothing pls help. 750watt antec 80 plus btw thank you