I have a Sapphire 7970 gfx card and I am trying to get three screens to work. I bought two of these https://www.komplett.no/sapphire-adapter-dvi-m-to-hdmi-f/434126 Active dvi to hdmi converters but if I try to extend past two screens I still get the error saying the display settings could not be changed. Any ideas? Windows 8,1.
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One has to be an active Displayport adapter. So displayport to HDMI or displayport to DVI or mini displayport to HDMI/DVI adapter.
well your probelm is that you need to drive at least 1 display off of a displayport