This isn’t Lecture specific…
I just upgraded to a new PC and Video card (Radeon 7700 Series to Nvidia GTX 950) and now I am having issues with my Meshes.
I am not sure what is going on now at this moment.
PS please ignore that it is a front end of a Nebulon B I was teaching myself how to model Spaceships and the one that shows the issue the best 