Pc freezes when i play game like Dota 2

Mar 23, 2018
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My First problem arises due to heating problem so i bought new graphic card on December 2017 (GT 710 2gb DDR5) my problem was solved till march 17. Now same problem is arising when i play game after 5-10 min my pc freeze everytime. I need help here :(
My graphic card is new, drivers are upto date i don't know why in the world god hate me some help me please