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Sierra Won't boot ( after trying to install new graphic card)

Mald

Mald

Joined
Jan 15, 2011
Messages
46
Motherboard
Gigabyte Z390-UD
CPU
i5-9400F
Graphics
AMD RX 580
Mac
  1. iMac
Mobile Phone
  1. Android
  2. iOS
Hello,
( sorry for my bad english)
I want to update Sierra to mojave, so i have buy a Radeon RX 580.

after that my computer won't boot anymore. i don't know why.
i have only change in clover the nvidia drivers.

I run in safe mode yet, so i can't access to my EFI and can't link my config.plist here. sorry.
Someone can help please ?
Thank you so much
 

Attachments

  • IMG_20231221_111516.jpg
    IMG_20231221_111516.jpg
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Mald said:
Hello,
( sorry for my bad english)
I want to update Sierra to mojave, so i have buy a Radeon RX 580.

after that my computer won't boot anymore. i don't know why.
i have only change in clover the nvidia drivers.

I run in safe mode yet, so i can't access to my EFI and can't link my config.plist here. sorry.
Someone can help please ?
Thank you so much
Click to expand...
if you swap your video card with your nvidia, does it then boot?
 
Feartech said:
if you swap your video card with your nvidia, does it then boot?
Click to expand...
no, it won't boot.
I have success to boot now but i don't know really how ( with the nvidia card and new setting in bios..)
i don't have try to restart yet
 
Mald said:
no, it won't boot.
I have success to boot now but i don't know really how ( with the nvidia card and new setting in bios..)
i don't have try to restart yet
Click to expand...
best to zip and upload your EFI
 
yes i was doing this ;)

can you take a look, it will be great ;) i think there is many mistake in this, i used it for many years with update ..

Thank you very much for your help
 

Attachments

  • EFI.zip
    42.6 MB · Views: 6
Mald said:
yes i was doing this ;)

can you take a look, it will be great ;) i think there is many mistake in this, i used it for many years with update ..

Thank you very much for your help
Click to expand...
best to also update to High Sierra so your AMD is supported
 
Feartech said:
best to also update to High Sierra so your AMD is supported
Click to expand...
yes i want to update to Mojave.
One time computer boot with the AMD, and recognise in "about this Mac" , but i dont have audio, and network anymore ... :)
but first i will be very happy with a stable boot system.
I think problem comes from my Efi, but i don't know where
 
Mald said:
yes i want to update to Mojave.
One time computer boot with the AMD, and recognise in "about this Mac" , but i dont have audio, and network anymore ... :)
but first i will be very happy with a stable boot system.
I think problem comes from my Efi, but i don't know where
Click to expand...
probably best to create a new usb installer using opencore:
 
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