The process of downloading the Dell Studio 1747 Notebook LITEON D400 Modem Utility A00 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 Studio 1747 Notebook LITEON D400 Modem Utility A00 driver from the primary server - this is the manufacturer’s LiteOn 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 Studio 1747 Notebook LITEON D400 Modem Utility A00 diver.