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This question provides ways to reset admin password if it is lost.But I think it is also a major security threat as there is practically no barrier in a data theft and data in one's PC once the theft gets access to the PC.

So I want to know if there is any possible procedure by which one could Block the feature of recovering password ,so that the data remains secure.

Alternately,there should some way by which we could assign certain important data to be deleted(shredded)when the password is recovered.

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marked as duplicate by Radu Rădeanu, minerz029, karel, Aditya, Registered User Jan 25 at 13:58

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

    
You can prevent your PC to boot by adding another password protection in BIOS. –  Radu Rădeanu Jan 25 at 8:25
    
can the BIOS password be reseted? –  Registered User Jan 25 at 8:27