When downloading from third-party sites, always scan the files with updated antivirus software. Reliable sources like Super Computer Repair often mention passing Kaspersky or AVG scans. BenQ 6678-9va Drivers Download - Scanner - Solvusoft
The fastest and safest method is directly from BenQ’s EU or US server. Avoid “driver aggregator” sites that force you to download a download manager. Benq Scanner 6678 9vz Driver Fast Download