1) people say they have everything up to date, but then they check one of those, and there's something missing (I've done it before setting up other computers to play)
Post your graphics config tabs as pictures so we can see what you have set up.
You can also try resetting the cache in Dolphin
Post your graphics config tabs as pictures so we can see what you have set up.
You can also try resetting the cache in Dolphin