laptop shuts down automatically

[Harshaa Vardhan]

I have a dell xps 15 it shuts down automatically when i start playing a game.its not overheating because my lap was serviced and the fan was cleaned.it shuts down as soon as i start the game. faulty gpu?

 

[velo3100]

Then it sounds like you have a virus. Does this only happen while playing a game or during other things?