catanmladji

Severity boot - CSM solve the problem

I tried all the options and and it's always the same ....boot uefi from HDD from USB.... this is video https://drive.google.com/file/d/1-hAyYv5ZLVdNHfV_Ay0HilW1hDqieAPN/view?usp=sharing

Hi, I use Osx High Sierra with GTX660 2GB and everything works grait, now I bought a new graphics card Shappire RX 570 4GB and when i put card in PC after and I choose in Olarila boot OSX drive and see apple logo after 20s I got BLACK SCREEN. I found on internet solution to put in EFI\CLOVER\kexts\Other folder Lilu.kext and WhateverGreen.kext but I did not solve the problem. When i put back GTX 660 card everything works fine again This is my new GPU https://www.sapphiretech.com/en/consumer/nitro-rx-570-4g-g5-oc I have Intel Core i5 2500k Socket 1155 LGA P8Z68-V PRO GEN3 16GB DDR3 RX570 4GB

Added in 5 minutes 5 seconds: When I choose boot USB stick with UEFI mod in BIOS .... system kicked me out back on boot manu, and I can not enter in UEFI USB mod

BLACK SCREEN PROBLEM Hi, I need help. I have a problem, I'm trying to install osx Mojave-Olarila. I have Nvidia GT 660 gpu and when I put USB Stick with Mojave instalation everything goes normal... But now I bought a new graphic chard sapphire rx 570 4GB and when i try to boot instalaion USB i have black screen.... What i need to do? I have Intel Core i5 2500k Socket 1155 LGA P8Z68-V PRO GEN3 16GB DDR3 RX570 4GB