Troubleshoot Windows boot, startup and recovery failures

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Diagnose Windows boot and startup problems, including missing or corrupt boot files, invalid boot configuration, startup loops, blue screens during startup, failed updates, and inaccessible operating-system volumes.
Select and use appropriate recovery options, including Safe Mode, WinRE, Startup Repair, System Restore, uninstalling problematic updates, reset or refresh-style recovery options where available, and recovery from installation or recovery media.

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Troubleshoot startup failures caused by storage, partition, file-system, BitLocker recovery, or driver issues that prevent the operating system from loading normally.

Verify successful recovery by confirming normal boot, user access, application availability, and the integrity of system and user data after repair.

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