Realtek ALC100/ 101/ 200/ 201/ 202/ 203/ 250/ 650/ 653/ 655/ 658/ 850 Audio Driver a3.92 WHQL Win9X

  It is highly recommended to always use the most recent driver version available.

Try to set a system restore point before installing a device driver. This will help if you installed an incorrect or mismatched driver. Problems can arise when your hardware device is too old or not supported any longer.