How to Fix Catalina + B360M-A + Sapphire 5500XT Nitro+ keeps Rebooting. Not able to launch installer
Graphics issues usually stem from an unsupported GPU, missing acceleration patches, or incorrect boot arguments.
Quick Fix Steps
- Verify GPU support: Check if your GPU is natively supported via WhateverGreen docs.
- Update kexts: Ensure Lilu and WhateverGreen are current.
- Check boot arguments: Add
-v keepsyms=1 debug=0x100for debugging, oragdpmod=pikerafor AMD. - Test Metal: About This Mac > System Report > Graphics.
Verification
- Graphics acceleration is smooth.
- Metal is reported in System Information.
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Original Question: "Catalina + B360M-A + Sapphire 5500XT Nitro+ keeps Rebooting. Not able to launch installer."
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Good morning, I am opening this thread as I am now desperate. I think I've read all possible posts from Tonymacx86 and reddit but wasn't able to make it work... I decided to open a thread here as no one is helping in Tonymacx86 ... Hopefully the reddit community can..
I've followed "Unibeast" method to flash my 16GB Usb2.0 pendrive. I've tried different combinations of config.plist and kexts (USBInjectAll.kext, USBPorts.kext, ...). Most important parameter I understood I had to configure in the config.plist for the graphics was "agdpmod=pikera" which I did. But the system keeps rebooting when trying to launch clover...(see image attached) Tried different USB ports but all same... I bought specifically this 5500xt as it was referred as working in Catalina by community but I am starting to think it is maybe my motherboard? Below my EFI: [Link removed to comply with Google AdSense and copyright guidelines] Please, help me to have this working. I am ok to go for Mojave but I think this GPU is only supported since Catalina (navy support). [link] [comments] |
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