The process of downloading the Dell Latitude D400 SIGMATEL STAC 9750 AC97 Driver A15 driver should begin automatically after a few seconds. If this does not occur, click on one of the links below (we recommend downloading the Dell Latitude D400 SIGMATEL STAC 9750 AC97 Driver A15 driver from the primary server - this is the manufacturer’s OTHER SOUNDCARDS official website). If the download still fails to run, check whether your anti-virus software is not blocking the connection to the manufacturer server of the Dell Latitude D400 SIGMATEL STAC 9750 AC97 Driver A15 diver.