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Help: White screen with cursor after installing Catalina

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Jul 21, 2019
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Motherboard
Intel Q87
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i5-4570T/Q87
Graphics
HD 4600
Mac
  1. MacBook Pro
Mobile Phone
  1. iOS
Hello, I am attempting to install Catalina on my Lenovo thinkcentre m93p tiny. I think that the installation was mostly successful, but I have not been able to reach the setup screen. What I get is a white screen with a black cursor. If I click anywhere, the cursor disappears. Tapping the keyboard causes the screen to blink.

Is this something to do with my graphics? I have Intel HD Graphics 4600. I am not sure what is happening. I will attach my EFI folder. Any help would be greatly appreciated. Thanks!
 

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Joined
Jan 28, 2019
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Motherboard
GB Z87X-UD5H
CPU
Intel(R) Core(TM) i7-4770K CPU@ 3.9 GHz
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NVIDIA GeFOrce GT 640 2048 MB
Mac
  1. Mac Pro
Classic Mac
  1. iMac
Mobile Phone
  1. iOS
Facing the same problem here.
 
Joined
Feb 12, 2020
Messages
1
Motherboard
Folio 9470m
CPU
i7-3687U
Graphics
Intel HD 4000 (1600x900)
Mobile Phone
  1. iOS
Have you had any luck with this? I’m getting the same gray screen on my initial boot once Catalina is installed.
 
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