Once you attach this adapter to the DVI connector from your video card and convert it to VGA connector, it immediately enable your Dual Monitor capability
Convert DVI-I (Male, with analog pins) Interface to VGA (Female) .
Some video cards have a dual display capability. Use this adapter to allow dual display.
DVI 18+15 / 24+15 to HDB 15P
Nickle-plated or Gold-plated, optional.
Note: There are two types of DVI Connectors: DVI Analog and DVI Digital. If your DVI is digital, this DVI Adaptor will not work. Please check your DVI Pins carefully whether this DVI adaptor will fit in
With bulit-in thumb screws, you can install it easily.