You should check your V Card and monitor to see:
If it is DVI-D or DVI-I, as well as if it is single or dual link

For most computer cards, you will be looking for a DVI-I Dual link

Mark
Pio 94,SB3,BD30,A35,Pio 48AV.Pronto 7000 controlling all. Getting ready for 22s, 150 & QS8s.