Solved! Laptop shutting down randomly

[Mrlinkzify]

Everything it is ok when your turn it up but when he wants it goes out, it could be in 5 minutes or 1 hour its completely random. I think it's not the temperature because it's usually always 60º to 80º
What could it be?

 

[Samaratin]

usually the first thing that comes to mind with laptops shutting off randomly is heat... many laptops get clogged up with dust and debris that trap the heat inside