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PC Graphics

ronydhir
Journeyman III

Run 5x4K displays using Radeon 6600 and Radeon 6400

Hello, 

Build:

CPU: AMD Ryzen 5800X

GPU: Radeon 6600 and Radeon 6400

Motherboard: ASUS TUF Gaming

PSU: RM 850W

OS: Ubuntu 20.04

 

My workflow requires 4x4K projectors and with at least 1 4k monitor to be running with it. Sales rep suggested that I get a 6600 and 6400. Now the fun part is, as soon as I connect the 5th monitor, a display from the 6400 turns off. Which is weird because I can see all 5 on the Linux system settings. 

I have tried having 2 monitors on 6600 and 2 on 6400, it runs fine. But when I connect another, one seems to just stop displaying things. I am not sure what is causing the issue and how to fix it. AMD Support can't help me after sale coz they're trained only in Windows.

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