A Windows 10 desktop suffered an unexpected power loss. Now the system starts WinRE, reports that Automatic Repair could not repair the PC, and stops before the Windows logo ever appears. The technician opens the command prompt and confirms that the system volume is intact. To restore the boot process, the technician wants Windows to locate any installed OSs and rebuild the Boot Configuration Data (BCD) store. Which single command should be run next?
The Bootrec utility is designed specifically for repairing problems that prevent Windows from loading. The /rebuildbcd switch scans all disks for Windows installations and recreates the BCD store, correcting missing or corrupted boot entries. Running sfc, chkdsk, or DISM may fix file-system or component-store issues, but none of those tools repairs the boot sector or BCD, so they would not resolve this no-boot situation.
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What is the Boot Configuration Data (BCD) store?
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How does the bootrec /rebuildbcd command work?
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What are other situations where you might use bootrec commands?