tried.where

hey, i got this unique problem.wHENVER I PLAY ANY VIDEO OR AUDIO FILES ,IT STUCKS FOR A MOMENT AND THEN AGAIN RESUMES.tHIS PROBLEM HAPPEN WITH ALMOST ALL THE PLAYER WHICH I HAVE TRIED.WHERE AS THIS PROBLEM DOESNT HAPPEN WHEN I WATCH tv.i TRIED INSATLLING THE AUDIO DRIVERS BUT IT DIDNT SOLVE...