I am still learning about digital monitors, but I do know that an analog video card will not work with a digital monitor. You will have to get a digital video card so that the monitor will work. Look around for computer shops that sell digital cards. The only brands I know of are Matrox and Elsa. These are high-end cards, and cost a fortune.
"Money does grow on trees, but the banks own all the branches."
Phenom 9550 Quad Core
8GB Kingston HyperX
ADATA SP600 256GB SSD (boot)
3TB WD Green
WDC RE3 500GB x2 on Highpoint RocketRAID 3120 with RAID1
Auzentech X-Meridian 7.1 2G