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Black screen after complementary update 10.15.4

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I did a clean install using the iso here from the forum version 10.15.4 everything worked fine. After installation I update all kexts to the latest ones including Lilu latest version among others but the system asks for a complementary update. After the update it works fine finalizing and everything is fine but when restarting the system does not upload the video. The Boot clover runs fine without errors only the screen is black even using the pikera flag and doing other tests does not work and this problem only after the complementary update.

My specs

i7 8700
16gb DDR 4 3000mhz
Gigabyte Z370 HD3
Sapphire Rx 5700 XT Nitro +

Smbios iMacPro 18.2 also tested 1.1 but nothing works and I don't have access to the system without video, any help?

Thank you!

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