Heat Vision Video Playback??? (NEW COMPUTER..NEW PROBLEMS)

Hey all, well...its that time again in life that happens almost every month NEW COMPUTER PROBLEM! YAY! LETS ALL DO A DANCE! gahhh.. ok so i need ur help again. lol. When ever i play back video or capture video form my camara..its pixled and werid colors..almost like its heat vision... what do i do!