Semi-recently I upgraded my PC by buying: a refurbished Giggabyte GA-B85M-DS3H-A motherboard; a ASUS ROG Radeon RX 470 with 4GBs video ram; and a EVGA 600 B1 600w PSU. Since the upgrade, I have been having somewhat random computer crashes. I'm kind of certain it is related to my graphics card however. When I am playing the following games; GMod, CS:GO, TF2, Heros of the Storm, Sanctum 2, Portal 2, Faster Than Light, Tabletop Simulator and probably others I can not recall: I crash. While these games; Awesomenauts, Overwatch, Sanctum 2, Super Meat Boy, Minecraft, Sniper Elite v2, Robocraft, Rocket Leuege, Stronghold Crusader HD, Civ 5, From the Depths and also probably others I've forgotten: I do not crash. Some of these games, Overwatch, have way more hours in them than the ones that have reliably caused crashing. The reason I specify inconsistent crashing is for multiple reasons. 1) The majority of crashes seem to be at random times. Sometimes a level will crash multiple tim...