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Problem booting past apple logo and progress bar in Sierra

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I just bought a new Sapphire Nitro+ RX 580 to replace my Gigabyte GTX670. My system is the i7-3770k, GA-Z77XUP5 TH running Sierra. I read on forums that RX 580 was compatible but I can't boot past the apple logo and progress bar. It flashes halfway and stops. There is also a weird pink line in middle of the progress bar.

Can you help me please?

Send me Mac-Pro.zip

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Hello MaLd0n,

I'm happy to report I've got the installation working. I don't know why but I couldn't log onto this website and was stuck with a login screen I couldn't get past even though the name and password were correct, so my excuses for not thanking you before.

I've some niggling issues like shutdown which I can't correct. I tried fix shutdown and fix shutdown_004 while editing clover. It only worked once. Now I Just shut and press the power button to permanently shutdown. Do you know of another fix?

Thanks again.

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[ref]treshar[/ref], add emuvariable you can get from here if not able to get from a clover config https://Olarila.com/forum/viewtopic.php?p=75485#p75485

Added in 1 minute 36 seconds:

place emuvariable in the efi/efi/clover/driver64uefi folder

AMD Ryzen 7 3700X, MSI MPG X570 Gaming Plus, Corsair Vengeance RGB PRO 16GB DDR4 3200MHz, Sapphire rx 5700 XT, fractal celcius s36


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hello Everyone,

i just found your discussion on the forum because I have the same probleme:

I7 7700, GB Z170 gaming 3 16G on sierra

i upgrade from gtx 560 to radeon rx 580 pulse (i took this card because i read it's natively compatible with mac)

but it stuck at load bar at 50% with screen with apple logo freezed.

i've tried only with lilu and what evergreen, or only with clover commande injet intel inject ATI, Definit, and buffer as "Dayman", it worked once. but by restarting, it stucks again.

could you please give me some advices ?

best regards,


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thank you for your quick answer. it stuck at apple logo progress bar. It flashes halfway and stops. , then no more signal on screen

Added in 5 minutes 27 seconds:

here is my efi, could you give some advice please ?


Added in 18 minutes 32 seconds:

sorry i dont know how to add img here so i sent by wetransfer https://we.tl/t-xgxACMyJOp

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