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Graphics Cards

socrpro192
Journeyman III

AMD integrated radeon with 2 dell u4320Q

Hi I have the following setup. 

HP Ryzen 7 4700u processor with integrated Radeon graphics device ID 1636 with 512 VRAM.  I have 2 dell u4320Q 43inch 4k monitors. When I plug both in with the extended display one is all grainy. It seems the gpu will support one monitor at 3840 x 2160 at 30hz  but the other is maxed out at 2048 x 1280 at 60hz.  I'd like to get them on the same resolution even if that meant giving up some screen real estate.  Anyone have any ideas?  Previously this would run 2 1080p 1920x1080 Asus monitors just fine. 

Even when i choose the 1920x1080 for both of the monitors in windows one of them is grainy still. Do I need to create a custom resolution and is there a document I should follow for all the input needed for a good custom resolution to run both monitors at?

 

Thanks,

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