Frame Drops

Hey. Im experiencing problems while playing games on my new laptop. The game is running stable, on very nice fps, and yet every now and then i get a random freeze for like 2-5 seconds. It makes gaming unplayable. I play Rocket League, Cs go and LoL. In RL and Cs go the frame drops happens like...

I have a Gigabyte P25 V2 laptop from around about ‎‎November ‎2014. When I run my computer (can vary from within 1 minute to 1 hour) on high intensity programs or games my computer starts to lose frames and starts stuttering in audio and in video. For example, when I play War Thunder I start...