The process of downloading the Benq 1220ST 3.42S driver should begin automatically after a few seconds. If this does not occur, click on one of the links below (we recommend downloading the Benq 1220ST 3.42S driver from the primary server - this is the manufacturer’s BENQ 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 Benq 1220ST 3.42S diver.