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  1. acasas

    RX 580 Only 2 Display Ports working

    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...
  2. acasas

    Few post installation detail (opencore picker, multimonitor, etc)

    hello! I was able to install Catalina and everything seems to be okay except by a few details: Opencore menu picker is slow/laggy: when i see the opencore or opencanopy picker and i press any arrow key to change option it takes 5 seconds to move from one option to another. I tried with...
  3. acasas

    Solved Booting without usb Legacy

    Finally i got Catalina installed in my system, I installed it into a nvme drive but I'm not able to boot without the USB and I copied everything from installers EFI Partition to nvme EFI partition and used the legacy BootInstall command but it still not working... any idea to solve this? thanks...
  4. acasas

    Black or noisy screen

    Hello, I'm trying to install Catalina with opencore legacy installer but when installer should be displayed then in HDMI i'm getting a black screen (display is detecting signal) and if I try with a display port i got a noisy screen (img attached) I have a fx 8120 cpu and a gigabyte rx 580...
  5. acasas

    Catalina on FX-8120 and RX580

    Hello everybody I'm trying to get Catalina on my old pc, I was able to install mojave with another video card, now that i update my video card to a RX580 i want to install Catalina but i'm always getting a black screen after opencore is loaded (v0.6.3). I wonder if it's possible to install...