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HD 5970 - Extend to triple screens

Last response: in Graphics & Displays
April 3, 2012 10:34:19 AM

Hello, I just bought an adapter to my HD 5970 so I can use 3 screens. But it won't work. I can only use two screens? But I can disable one of the screens to make the other one work, so there isn't any problems with the cables.

I took a picture is it will help:
April 3, 2012 10:42:16 AM

You have to use 2 Displayport monitors. If you use both DVI-s you are limited to 2. At least that is how I understand it, I assume that there is another displayport hidden in the photo.

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April 3, 2012 12:46:39 PM

It is something to do with some synchronous clocks somewhere. Displayport can duplicate them, DVI can't or something.

Anyway, ALBD seems to have it right, check out the link he posted.

Yes, I believe it is an absolute requirement for 3 displays.
April 3, 2012 6:56:08 PM

Okay, thanks for the help!
April 3, 2012 7:49:36 PM

Yes adapter has to be Active, if not no 3 screen.
Once you have that active adapter it will run 3 screen fine (used to run triple display on my pair of 5970's)