And there is no card like a desktop to change. I'm guessing you are used to the desktop where we can change parts like that. So no, to change the GPU you replace the entire laptop. Don't worry, you weren't the first or last person to not know this.

http://www.notebookcheck.net/AMD-Radeon-R5-M230.108655.0.html shows a sea of red. Why did you pick such a low end gamer?
Bob