Post Installation Audio and Wifi drivers

[mrwebtech]

Dear all, 

 I am Intel Chipset HM77, lenovo 480c , 1gb Nvidia , 500GB Sata

I installed Maverick 10.9 

everything went well after so many forum posts and questions.

I installed Voodoo bcz i read it works but sound was working ok, mic wasn't there was a strange sound coming from speaker a click sound.

anways i removed voodoo using terminal 

 

now how to configure audio , i am not a computer geek and no very very familiar with the terms 

secondly my wifi is  Broadcom 4313 i want to configure that as well

any one who can tell me how to configure both or refer me to another forum  ?