My laptop in not playing any sounds please help?

[Kordakh]

i have a laptop model presario c300 . i have windows xp sp2 in it. i just formatted it . i have installed all dirvers but wen i m trying to install sound drivers it says 'cannot find modem for device' n sometimes says 'cannot find device for driver' ..how do i install sound drivers to my laptop. internet is working everything else is working .. thers no virus because i have jus now formattd. sound device is of conexant universal. it has a smart audio software with it i have installed that . pls help. how to stop procrastinating daily motivation the power of your subconscious mind stress reduction overcome shyness parenting tips improve concentration