Why am I lagging with second monitor?

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Forum Index > Tech Support

ZionsWrath United States. June 21 2012 15:33. Posts 97

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I am running i5 2500 and Radeon HD 6950 2GB. I have a 23" 1920x1080 plugged into the DVI on the video card and a 17" 4:3 monitor plugged into the motherboard VGA. When I play teams it lags after everyone starts getting around 75 supply.

Is it because I am using the integrated graphics for the second monitor? Don't have a VGA on the graphics card so I would need a conversion VGA to DVI.

Infernal_dream United States. June 21 2012 18:19. Posts 1585

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Are you duplicating the screens? Or extending them or?

ZionsWrath United States. June 21 2012 18:29. Posts 97

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Extending ofc

Infernal_dream United States. June 21 2012 18:32. Posts 1585

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Windowed mode on in sc2? And is the monitor that's displaying sc2 your onboard gpu? I've never mixed onboard with real gpu's before.

Bracula Netherlands. June 21 2012 20:18. Posts 1

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Got a bit of the same problem.

Whenever I have extended my screen (1920x1080) to my second monitor (4:3) in combination with streaming, sc2 will start lagging terribly (athlon X6, Radeon HD 5870, 4GB). When I disable the second monitor there is no trace of lag to be found.
Windowed mode on. Could the 16 : 9 and 4 : 3 screen be a problem?

Last edit: 2012-06-21 21:13:15

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