There are two types of DVI Connectors: DVI Analog and DVI Digital. If your DVI is digital, this DVI Adaptor will not work. DVI to VGA Converter for Monitors, Projectors & Graphics Cards. For example, if you have ATI Radeon VE Dual Monitor graphic card, you need this adapter to change one of your DVI connectors to a VGA connector to enable your Dual Monitor capability.
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