I'm experiencing problems when I load a game with Mupen64Plus. I'm able to get audio though the screen is black and sometimes contains artifacts. I'm unsure how to fix this. I thought that perhaps I need to install Glide64 but I'm unable to find a plugin folder. Any help would be greatly appreciated.

GTX 970
i7 2600k
8GB ram @ 1600hz
Windows 10
Retroarch 1.2.2