SMG2 crahes

[auraapex]

This is the first week ive ever had dolphin and i wanted to play SMG2 so i got it, ive been playing for a week and got to slipsand galaxy, when i get to the slide in that galaxy my game freezes and my monitor turns black and then back on and both dolphin windows are white. dont know what to do ive been searching for solutions or people with the same problem, cant find anything.