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Lenovo C50-30 installation problem. After Apple logo, screen goes black

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Oct 21, 2019
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Motherboard
Lenovo C50-30 All in One-Clover
CPU
i5-4210U
Graphics
HD 4400 + GeForce 820A
Classic Mac
  1. iBook
Mobile Phone
  1. iOS
System configuration:
Motherboard: Lenovo C50-30 model "Crescentbay" with Intel Haswell-ULT chipset
CPU: Intel Core i5 4210U
Graphics: Intel HD4400 + GeForce 820A
RAM: 12GB
HDD: 1TB WD SATA and 500GB Segate SATA

Hello everyone,
I am trying to install High Sierra on Lenovo C50-30 all in one desktop. I have used USB2 flash drive to create installation media for High Sierra and Clover UEFI Boot Mode v2.4k r4961.
After selecting installation media in Clover, Apple logo appears and loading is starting. At about 3/4 of loading bar, screen becomes black.
To investigate the problem I have used verbose mode. I have tried to modify config.plist and add or remove kexts but result is the same, screen goes black at the same time.
I am attaching EFI folder and screenshot just prior screen becomes blank.
You may see lines Unsupported CPU and Unsupported PCH which I am getting no mater what I do.

Any help would be much appreciated :)

Kind regards,
Andrija
 

Attachments

  • EFI.zip
    3.3 MB · Views: 48
  • IMG_7423.PNG
    IMG_7423.PNG
    1.7 MB · Views: 77

P1LGRIM

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Motherboard
Lenovo ThinkStation p700
CPU
2 X Xeon E5-2620 V3
Graphics
RX 560
Mac
  1. MacBook Pro
  2. Mac mini
Classic Mac
  1. Power Mac
Mobile Phone
  1. iOS
You may see lines Unsupported CPU and Unsupported PCH which I am getting no mater what I do.
Not a problem.

Graphics.png


This is indicative of a graphics issue.
 
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