PC turned itself off I thought it was overheated so I cleaned it (it was pretty dusty) and I was like ahh problem solved but no I turned it back on to play some war thunder not 5 mins in it turned itself off again I've turned my PC on 4 times since and everytime I start up a game it turns off quicker no noise or anything just black out even the LEDs on my keyboard turned off so yeh any advice/help much appreciated