I was getting a bit lower performance than usual in summer while playing games like batttlefield 3 so i checked my cpu/gpu temps. Cpu while being idle is at about 30c and when playing demanding games like bf3 it goes up to 90c which is too high. Was my cpu underclocking when playing bf3 ? did it get damaged because of high temp ? (pc never shut down i just got lower performance on bf3). How can i check if it got damaged?