Hello. I have an old dell which i've been setting up for editing, and i just bought a dvi to vga converter but I keep getting a black screen on it. my pc: Windows professionel service pack 2 dell dimension 4550 intel pentium 4 2.4 gig ati radeon 9500 pro with an dvi and vga connection 2 gig ram i would like to set it up with two Compaq 7500 screens. Anybody has any id? i've been searching for about an our now and i can't seem to find the solution.