Boot Context

# Boot Context

Boot context is the set of pre-login details that can change how a device starts, updates, recovers, or fails.

It matters most when a problem appears before the user reaches the desktop: firmware screen, update rollback, blue screen, BitLocker recovery, boot loop, missing disk, or repair mode.

A good boot-context note records:

- device maker and model
- CPU or platform generation
- BIOS or UEFI version
- Secure Boot state
- disk layout and EFI System Partition condition when relevant
- BitLocker or device-encryption status
- exact update, driver, or firmware change
- first visible failure point
- rollback or recovery action that changed the result

Boot context should not be confused with ordinary app environment details. Browser version, app version, and account state may explain a desktop bug, but they usually do not explain a recovery prompt before login.

The main rule: if the failure happens before the desktop is available, preserve the boot context before reducing the issue to a single update name. Two devices can share the same KB number and still fail for different reasons because their firmware, encryption, partition state, or support status is different.

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Boot context

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