Help me

My ryzentosh with r5 3600 and tuf b450 plus gaming and Radeon HD 7850 doesn't work at first it used to show black screen after verbose code but I found. Out putting it to sleep and waking it up fixes it when I got macis installed Success' href='/2020/12/install-macos-catalina-on-supported-pc.html'>Catalina what should be the installation screen it shows a flickering blinking black to grey screen I know it's the setup screen as I activate voiceover it says "if you like to set up macis" Please help me I'm using OpenCore 0.7.3

Author: @OfficeBitter