RX 580 Only 2 Display Ports working

acasas

New member
Joined
Aug 26, 2020
Messages
15
Hello

I Installed catalina and i have a Gigabyte rx580 (3 display ports and 1 hdmi) but i can only use 2 DP ports, when i connect the 3rd display (DP or HDMI) i can see it in System Preferences but I can't see anything in that display (black screen) and my system slows down.

help or suggestions are welcome, thanks
 
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