How to Fix Opencore Bootable USB Installer Language wouldn't change to English

By Ufuk Durgun
0

How to Fix Opencore Bootable USB Installer Language wouldn't change to English

This mini-guide provides a structural approach to troubleshoot and fix the issue.

Prerequisites

  • Confirm your hardware specifications (CPU, GPU, Motherboard).
  • Ensure you have a bootable recovery USB and backup your EFI.

Fix Steps

  1. Boot with -v keepsyms=1 debug=0x100 to identify the exact kernel panic.
  2. Validate your config.plist using ocvalidate.
  3. Ensure your EFI matches the Dortania guide specifications for your CPU generation.

Verification

  • Reboot and verify if the functionality is restored and stable under typical usage.

Original Question:

I Created an Opencore (ver 0.9.3) Bootable USB Installer using this guide and to create config file for the installer, under the NVRAM Section there is a Keyboard language selection value and i give it a setting like this

Code:
prev-lang:kbd Data 72752D52 553A3235 32

The problem raised when i tried to boot...

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