GPU temperature reached 100 c less than 5 minutes

shenjuku21

Honorable
Jan 27, 2014
6
0
10,520
hello i have graphic card GTX 650 ti boost and before this using 500 w power supply/70% efficiency.then the power supply damaged and i bought 520 w /85% efficiency but when playing games such as sleeping dogs even with a low settings the gpu temperature reached 100c less than 5 mins...i want to know what is the problem as i checked the fan are working fine and i have clear the dust...please help

specs:intel core i7@3.40 GHz
nvidia GTX 650 Ti Boost
16 gb ram
1920x1080 screen resolution
 

shenjuku21

Honorable
Jan 27, 2014
6
0
10,520




what should i do then?