Ok so, i have an Imac 2 ghz Intel core duo; 10.6.8 I got it from my dad, already installed, and he didnt gave me the inst disk... the PROBLEM is NO SOUND..... when i go to pref>sound> there is no choise of internal speakers, and it doesn't recognize plugged in headphones or ext speakers.... pref>sound>output> the selected device has no output controls it shows only soundflower as option ive tried the jack thing, there is no red light coming from inside... ive resseted the PRAM, which gave me the start up chime.. i tried a bunch of different things, i read about nothing helped.. It looks like to me, it doesn have any drivers? How can I install drivers without installation cd Is there any way to bypass this situation, if its a case of missing drivers? PLEASE HELP, I DON'T KNOW WHAT TO DO????????