NVIDIA Geforce 940M

I don't have much experience in building a PC, yet alone, a laptop. While this is the case, I want to ask the community here at TomsGuide if its possible to change a graphics card on a specific laptop. My laptop is an Asus Q552UB-BHI7T12, specs can be found here: http://tinyurl.com/z75a3zw. I...