Multimedia Audio Controller Issue: ACER Travelmate 2350

Please Help!!!
I have Acer Travlermate 2350 wherein I reinstalled the windows, but now the sound has gone. In the device manager it has yellow exclamation mark for Multimedia Audio controller.. when i tried to update the drivers, notebook was unable to.. now i dont know where can i find the updated drivers..

Please help..

thanks,
amit

Welcome to Windrivers Akkiz

Acer has the files for download. here is the English page If you need another language go here and choose