Now, I'm not sure if this goes to GW2 forum or PC forum, since the only time this ever happens is when I am playing GW2. Believe me, I've tried many games and none of them did this. Here are my specs:
.
As you can see, the temperature is around 50°C when idle. However, when I play GW2, it goes up to 92°C. Upgrading Nvidia driver did not help, lowering the details did not help. I poked around on google and it seems I am not the only one and it happens on various graphic cards (even ATI). I request your help.