Recently my computer has randomly restarting only when playing a game Dota2. After it happens sometimes i can starting playing again and my computer is fine for the rest of the day but if it happens again and i dont play again my computer is fine.
Also just today everything shut off except the top and front fans and the led light on my case while it was just idling . Are these two problems related and if so is it a PSU problem or something else?
Correct me if I am wrong here, but isn't DOTA2 still a beta game?
It could be that there are still kinks in the game the developers need to work out.
It might help if you went to some kind of beta forum and asked your question there if the only thing that causes you to crash is that one game.
That being said, being that it is a new game and all it could be that the 520 is getting strained by it. If you know someone willing to let you borrow a bit higher end video card that could fix the problem you are having as well.