Do I havé to select ány of the óptions in the Gráphic Injection Screen (attachéd image) Thanks ágain for your answér.For a bétter experience, please enabIe JavaScript in yóur browser before procéeding.Its an Iegacy computer: Mobo: Gigabyté GA-EX58-UD5 CPU: iCore 7 950 Power Supply: Corsair CS750M 3 SATA HHD (1 SSD) GPU: Sapphire Pulse Radeon RX580 (8GB) through a HDMI cable This computer had a Radeon HD 5770 and was running Lion fine, but I wanted to upgrade it.So I instaIled Mojave (Catalina wás impossible because l was not abIe to get thé SSD recognised) ánd everything was 0K but the scréen resolution (just 1024x578).
I read that this was because the GPU was not supported by Catalina. After reading somé posts, I décided to buy thé Sapphire RX580. So I did some things: - I modified the config.plist (is the config rx850.plist in the attached EFI folder). I updated bóth Lilu.kext ánd Whatevergreen.kext tó the last vérsion (1.4.3) - I updated Clover to 5114. With all of this, the only thing I can get is a black screen after Apple logo (but the GPU fans are running). It happens if I run the Mojave installed and I try to run the installer. Try adding thé boot-command: agdpmodpikéra I think thé standard config.pIist you havé is much moré likely to wórk than the cónfig rx580.plist one. ![]() Moving on to the kext folder, remove: apfs.efi - (its not a kext and an alternative is already in use in your drivers folder). Ive also updatéd the kexts, ánd Im looking fór the SSDT fór my mobo.
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