Tag Archives: repair

How to recover when RebuildBCD failed to identify your Windows installation

I recently had a mishap where on a system that I had just upgraded from Windows 10 to Windows 11 the Boot Configuration Data (BCD) store was suddenly messed up, presumably by a patch update I had taken earlier:

Blue screen showing “Wiederherstellung: Der PC muss repariert werden.” (German for: “Recovery: The PC must be repaired.”)

Many people will recommend in that situation to boot to a Windows Recovery Environment (RE) and execute the following:

>bootrec /rebuildbcd

But what if the scan for all Windows installation turns out not to identify yours?! Like in the below photo?

Photo of a Windows RE session, failing to automatically rebuild the BCD

Are you SOL then?

Don’t despair.

The solution is actually quite simple. Other than the above which is supposed to be fully automatic, it involves some manual tasks, but it should be quite easy if you are at least a bit tech-savvy.

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