My computer is ok and runs most steam games just fine but just randomly one day while playing a game at a good FPS (about 50) it started to lag after 30 minutes of playing just fine. The lag lasts for about 5 minutes and heavily decreases my FPS. I've checked my drivers there are all up to date. I've taking components out and put them back but i cant seem to get rid of this lag. I've also checked for viruses but my computer is clean