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when watching video on second monitor, main monitor stutters

m0oble
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so basically if i have a game on my main monitor, it will run at 144hz fine, but if i have a video, or anything moving on my second monitor, my game will stutter for as long as that thing is moving on the second monitor.

 

i have an rx 6600xt and i just installed the latest drivers

pc specs:

 

Spoiler

r5 3600
16gb ddr4 3200mhz

b450 tomahawk max
rx 6600xt

256gb ssd + 2tb hdd
meshify c
750w dragon or something psu idk

 

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pc specs:

 

Spoiler

r5 3600
16gb ddr4 3200mhz

b450 tomahawk max
rx 6600xt

256gb ssd + 2tb hdd
meshify c
750w dragon or something psu idk

 

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I know this has been almost completely fixed on Nvidia, but I'm not sure of AMD. 

 

Make sure you're running Windows 10, v1904 or newer, and latest GPU drivers. 

After that, check the Windows display hardware scheduler. 

For Windows 11 (and I think this also applies to 10), go to Settings, Display, Graphics. 

Click the link that says "change default graphics settings" - it should be under a header that says Default Settings. 

 

Here you'll find a toggle switch for "hardware-accelerated GPU scheduling." Make sure this is on; reboot your PC if you're just now enabling it. 

If it already was enabled, then I think you're out of luck. 

 

This scheduling problem was the sole reason I stopped using multiple displays on PC, especially with mixed refresh rates. 

 

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