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Games Lag Only When They Have Focus

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#1 Kai__M


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  • Local time:11:38 PM

Posted 13 January 2017 - 07:01 PM


I have a triple-monitor setup and recently decided to try using it for gaming. I already use this PC for gaming but had only run games on a single monitor.

So I tried a couple games on triple-monitor using Nvidia's Surround feature in the Nvidia Control Panel, and both games ran near flawlessly. Later that day I decided to show a family member so I started a couple different titles and both of them lagged terribly (get almost exactly 5 FPS). I thought that those titles must have been too unoptimized or demanding so I tried one of the games that I knew already worked but that too was now running at 5 FPS.

Upon looking into it further myself I discovered that if the game doesn't have focus (for example, I launch a Windows Explorer window in front of it) the game runs smoothly behind it. As soon as I click within the game to refocus it, the frame-rate drops back to 5 FPS.

I am a technical person and not new to troubleshooting issues with software and hardware, but I'm frankly quite stumped by this. To make things more confusing I did find a game that doesn't lag on triple-monitor: Minecraft. I haven't the slightest clue as to why Minecraft would not lag, yet everything else would.

If anyone has any ideas please let me know. I'm quite stumped to say the least.

Here are my specs:
Motherboard: Asus M5A97 LE R2.0
CPU: AMD FX-8320 Eight-Core Processor @ 3.50 GHz
OS: Windows 10 Pro

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