Hello, i have installed an 5850 on my asrock mainboard a785gxh on 16x slot and i have one vga not crossfire but when igo to catalyst or gpu z it is running on 4x mode why ??????? thanks my os is 7 x64 catalyst 10.3
Is your 5850 installed in the orange PCI-e slot or the green slot PCI-e?
Make sure your HD5850 is installed on the top PCI-E slot, which is usually always the 16x slot.