Dolphin 4.0 is extremely laggy! Help!

[alexwarfield]

I am getting very upset because my Dolphin Emulator 4,0 is very laggy! All of my PC information is listed in my profile. When I go to play a game, (animal crossing city folk wii) it's so laggy and the audio is bad. I've looked all over YouTube and all over these forums and found some ways to speed up Dolphin but it really isn't working for me. I've even tried used Razer Cortex to help speed up my game but still nothing. I can get in the game and play it but its SO laggy; and playing a laggy game is no fun. Can you please help me? Thanks!