Windows recovery mode repair option disappeared?

Sometimes Windows recovery mode do not have the ‘Startup Repair’ option like this below

I don’t know under what condition it won’t show up (sometimes I plug the system drive to be repaired in a computer, it shows up, at least for Windows 2008 R2), but you can selection Command Prompt (always available) and go to X:\sources\recovery and run startrep.exe to launch the repairing tool.

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