The process of downloading the Dell XPS L421X Synaptics Touchpad Driver 16.4.0.4 for Windows 7 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 XPS L421X Synaptics Touchpad Driver 16.4.0.4 for Windows 7 driver from the primary server - this is the manufacturer’s Synaptics 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 XPS L421X Synaptics Touchpad Driver 16.4.0.4 for Windows 7 diver.