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Error in Catalina - "This version of mac os x is not supported on this platform | Reason: 30C0"

Joined
Dec 22, 2017
Messages
1
Motherboard
Lenovo ThinkStation P310 | BIOS: FWKT87A
CPU
E3-1245 v5
Graphics
GT 710
Mobile Phone
Android
Hello,

I got an error when boot installed Catalina Os on my desktop :

"This version of mac os x is not supported on this platform

Reason: 30C0"

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I have a desktop configuration as per below:

System Manufacturer: LENOVO

System Model: 30C0

Processor: Intel(R) Xeon(R) CPU E3-1245 v5 @ 3.50GHz (8 CPUs), ~3.5GHz

Memory: 8GB RAM

BIOS: LENOVO BIOS Rev: FWKT87A 0.0 (type: BIOS)

Graphics : NVIDIA GeForce GT 710 4GB.

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I have changed SMBIOS according to my system but the error still exists.

I have tried various SMBIOS like iMac14,2 and iMac pro etc. But it was not worked for me.



If I have boot my mac Catalina hard drive with bootable USB it works correctly, but it works with regularly attached bootable USB.

sorry for my bad English.

Please suggest any solution.
 

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