Merge pull request #336 from dweee/patch-1
docs: BitLocker recovery key warning
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@ -4,7 +4,7 @@ This document attempts to guide users into setting up UEFI Secure Boot
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for their NixOS system using a custom key chain. The audience are
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for their NixOS system using a custom key chain. The audience are
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experienced NixOS users.
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experienced NixOS users.
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This guide has been tested on a Lenovo Thinkpad and is expected to
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This guide has been tested on a Lenovo ThinkPad and is expected to
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work on other Thinkpads without change. On other systems, certain
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work on other Thinkpads without change. On other systems, certain
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steps may be different.
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steps may be different.
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@ -14,6 +14,13 @@ Secure Boot for NixOS is still in development and has some sharp
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edges. There may be cases where you end up with a system that does not
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edges. There may be cases where you end up with a system that does not
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boot.
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boot.
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For Windows dual-booters and BitLocker users, it is highly recommended
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that you export your BitLocker recovery keys and confirm that they are
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correct. Please refer to this [Microsoft support article](https://support.microsoft.com/en-us/windows/finding-your-bitlocker-recovery-key-in-windows-6b71ad27-0b89-ea08-f143-056f5ab347d6)
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for help. This will be required once you finish this guide to confirm
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with BitLocker that the PCRs changed during the next measurement are
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intended and allows the TPM unlocking of Windows to work as normal.
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**We only recommend this to NixOS users that are comfortable using
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**We only recommend this to NixOS users that are comfortable using
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recovery tools to restore their system or have a backup ready.**
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recovery tools to restore their system or have a backup ready.**
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@ -224,7 +231,7 @@ with your keys.
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At least on some ASUS boards and others, you may also need to set the `OS Type` to "Windows UEFI Mode" in the Secure Boot settings, so that Secure Boot does get enabled.
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At least on some ASUS boards and others, you may also need to set the `OS Type` to "Windows UEFI Mode" in the Secure Boot settings, so that Secure Boot does get enabled.
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These instructions are specific to Thinkpads and may need to be
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These instructions are specific to ThinkPads and may need to be
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adapted on other systems.
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adapted on other systems.
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### Entering Secure Boot Setup Mode
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### Entering Secure Boot Setup Mode
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