How to change BitLocker pre-boot authentication display language


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fortree

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How can I change the BitLocker pre-boot authentication localization / internationalization display language?
I can change the OS language easily but what about the pre-boot environment?

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Windows Build/Version
22000.918

My Computer

System One

  • OS
    Windows 11
I would suggest using this with caution and maybe doing more research as I have not personally tried this, but from the recovery environment I believe that you can do something like this:

bcdedit /set {current} locale en-US

In the meantime, I think that you will need to first provide the recovery key before you can get to the recovery environment.
 

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hsehestedt said:
I would suggest using this with caution and maybe doing more research as I have not personally tried this, but from the recovery environment I believe that you can do something like this:

bcdedit /set {current} locale en-US

In the meantime, I think that you will need to first provide the recovery key before you can get to the recovery environment.
Click to expand...

The "locale" option looks undocumented:

docs.microsoft.com

BCDEdit /set - Windows drivers

The BCDEdit /set command sets a boot entry option value in the Windows boot configuration data store (BCD) for Windows.
docs.microsoft.com
 

My Computer

System One

  • OS
    Windows 11
Tried the command and says "The operation completed successfully" or something like that, however the language is not changed even after a reboot.
 

My Computer

System One

  • OS
    Windows 11
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