I recently bought Sapphire HD 7770 vapor x for my pc and im having crashes every time i play online games like Dragon Nest and League of Legends after 5 minutes or more my screen goes black and Im hearing the game sounds looping sometimes not. But when i play lan games like DMC5 no black screen at all. Im in 35 degrees playing or not Please help me.
My pc specs:
MSI H55M mobo
Core i3 540 @ 3.07 GHz Processor
Sapphire HD 7770 Vapor x