Low FPS when using two monitors

Development Getting Started & Setup
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Hi! Here is my problem. For some reason, when I drag any window to the second monitor, my fps drops dramatically. from 120 to 8 or 6. It doesn’t matter which window it is. Second viewport, or sequencer window or content library. Fps just falls catastrophically. And it doesn’t matter what level I open at the moment. It can be a completely covered map, or just an open empty level. The same thing happens. As soon as any window appears on the second monitor, fps drops from 100-120 to 8-6. Please help.

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Drivers latest, I use two cards and both monitors works from different cards. Maybe it’s a hardware, but it started only today. I dont have this problem before. What it can be?

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Monitor mode ? Drivers? How many cards you use? Two? Monitors are bound to each other card? Seems that it is rather hardware problem.

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Here is my example. All running on two monitors and one card. Try rearrange, for test purpose, your setup. Just one card and two monitors.

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Task Manager-Nvidia Container-NVIDIA Display Container LS change the service startup type to disabled, then restart.

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Greetings @Arthur_Zi

You mentioned that you’re using two cards(One for each monitor). Which resources/components are being shared? (CPU, Drive, etc)