how can i lock doom at 30 fps

[Juan_67]

I can run doom at 60 fps just fine but my cpu gets to abt 80 degreeds c and even when i turn all the graphics options to low it still runs very hot and i don want to fry my cpu, so i think that if i can somehow lock it at 30 fps it will run much cooler plz help (laptop btw)

 

[penn919]

Try This:

http://www.game-debate.com/news/22317/how-to-properly-lock-pc-frame-rate-to-30-fps-to-prevent-stuttering-and-hitching