Dell Inspiron 15 7559 graphics card not working

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Hello,

I'm new to Fedora, so, if you answer, please be descriptive.

I just purchased a Dell Inspiron 7559 laptop. It has a NVIDIA GEFORCE GTX graphics card and an Intel i5 processor. I have installed Fedora 23 on my second hard drive. It is working fine, however the graphics card is not recognized, therefore I cannot get more than 800x600 resolution.

I have tried installing bumblebee with no luck.

Can anyone help?

Thanks!