Question : installing quad port graphics card

Hi,
I have inserted a quad port graphics card in my computer and I have attached 4 monitors to it. But I am only getting display on 2 of the monitors and the other 2 are shown as an inactive monitors.
Can any one tell me where the problem is? I guess the card is installed properly.. Can u guys help me out..

Answer : installing quad port graphics card

May i know the way you set the setting for the screens ??

When you right click on the desktop > Properties > Display Setting Tab ..... You should be able to see 4 monitors / screens right ??