my sound won't work,

my little speaker icon thats normally in the lower right hand corner isn't there,

when i go to "start/programs/accesories/entertainment/volume control"

it still won't turn on,

the option in "control panel/multimedia" won't show up either,

i tried putting in new soundcard, don't work,




do i need a driver, if i do, can someone tell me where to get one,




what do i do..................