Did you check with nVidia? What OS are you using? The drivers shipping with new Macs may be needed; And may be different than what nVidia offers. Roger Paul Pippen wrote: > I have a 450 agp and want to put a new video card in. I am trying to run > two monitors. I bought an nVidia G-force fx 5200. My machine sees the card > but it will not run my monitors. I assumed that it would work since the new > g5's come with this card. I am a novice at video cards. Help...? >