There's only so much you can explain with text that other forms of media are needed to illustrate what you're seeing. In this case, please nclude images of what you're seeing on your laptop's screen. Host the images on asite like Imgur and then parse the links on this thread for us to see.
You forgot to mention the make, model and SKU of your laptop. Use GPU-Z and also show us what you see. Do you see anything flagged with a yellow exclamation mark in Device Manager(assuming you're on Windows OS?