BitLocker - encrypt - decrypt cycle after the replacement of the motherboard?

After replacing the motherboard of your laptop with BitLocker encryption, the system requires a recovery key. Once inside, connect us to the system as long as decrypt it administrator local to turn off BitLocker and, once finished, activate BitLocker.

This whole process of disabling and enabling BitLocker may take up to an hour to complete, during which the laptop can not be used by the user.

Is it there anyway that we can re - initialize BitLocker, after a motherboard replacement, without all the decrypt / encrypt process?
While the time that the system cannot be used is reduced to just a few minutes?

Hi Dennis,

Thanks for posting your query in Microsoft Community.

I am afraid that you cannot re - initialize the BitLocker after the replacement of the motherboard as the TPM secure is removed or changed. A TPM Module (TPM) is a chip that is integrated into a computer. It is used to store cryptographic information, such as encryption keys. Information stored on the TPM chip may be more secure from external software attacks and physical theft. BitLocker uses the TPM module to help protect the Windows operating system and user data and to ensure that a computer is not tampered with, even if it is left unattended, lost or stolen.

If your new motherboard does not have the required by the BitLocker TPM, you can refer to the section can I use BitLocker on an operating system without a TPM Reader? in the following article and follow the steps.

BitLocker frequently asked Questions (FAQ) 

Hope this information is useful. Let us know if you need more help, we will be happy to help you.

Tags: Windows

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