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Multiple display performance

Last response: in Graphics & Displays
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July 2, 2012 4:48:43 AM

Looking for some graphics troubleshooting help.

I have a Sapphire Radeon HD 6950, only GPU in my computer. When I enable my second monitor my framerate sits at 60 in games/windows/whatever (everywhere) then drops to ~25-30, then back to 60. It does each for about 10 seconds and goes back and forth. What I have running doesn't affect the frequency or severity of the framerate drop. This occurs on both displays.

I had attributed it to 2 displays being extra strain on the graphics card because I only noticed it in games, but today I've been watching it and it's happening always. Turning off the second display puts me at a flawless 60 fps with no dips.

Is this common, or does anyone have any idea what the issue would be?

Full specs if needed:

CPU: Intel Core i5-3570K
CPU Cooler: Cooler Master Hyper 212 Plus
Motherboard: Gigabyte GA-Z77X-UD3H
Memory: Corsair Vengeance 8GB (2 x 4GB)
Video Card: Sapphire Radeon HD 6950 2GB
Power Supply: Corsair 750W ATX12V / EPS12V
OS: Windows 7 Ultimate 64 bit

Best solution

July 2, 2012 5:25:33 AM

This happened to me on my 6850 on a single monitor. What I did is re install the drivers. Delete the old ones and install the new ones. Now I have two screens as they run fine. I also re installed windows but I'm sure you don't need to do that.
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July 2, 2012 6:38:19 AM

Thank you very much for the response. Completely uninstalling the drivers and installing the newest version has 100% fixed the issue. Thanks!
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July 2, 2012 6:38:28 AM

Best answer selected by dbptwg.
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