No wifi in 10.6.6 HELP PLEASE !! #iATKOS

I installed Snow Leopard 10.6 and the i update it to 10.6.6 but there is no airport at network preferences or wifi (something like that) I have only ethernet (which i cant use) and bluetooth DUN I use Atheros AR9285 I tried many IO80211Family kexts but nothing get worked



So I am asking for you help... what should i do i am new in mac and i dont know much of these operating systems:concern: