My first guess is always overheating. If the machine is not too dusty, it could be the battery. If it shuts off whenever you do something demanding/ open an app for example, it would indicate a battery issue. If the fans are louder than usual/ when you firt got it, it could be overheating.
My first guess is always overheating. If the machine is not too dusty, it could be the battery. If it shuts off whenever you do something demanding/ open an app for example, it would indicate a battery issue. If the fans are louder than usual/ when you firt got it, it could be overheating.