Is this your monitor?
http://shop.bjs.com/X2GeN--MW19R--19...VVviewprod.htm

If so it shows this;
Connectors: analog RGB input

Like any other format, DVI digital and analog formats are non-interchangeable. This means that a DVI-D cable will not work on an analog system.

I may be wrong but this is what I found when searching. Others know more than I do about this stuff.