BitLocker prompting for recovery key after Motherboard Replacement

Summary: Resolving an issue with BitLocker prompting for recovery key after the motherboard is replaced on the computer.

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Resolution


Follow the steps provided in this article to resolve an issue with BitLocker prompting for a recovery key after a Motherboard Replacement.


BitLocker prompting for recovery key.

If Your Trusted Platform Module (TPM) enabled Dell system has a motherboard replaced due to a No Power on Self-Test (POST) issue and you have BitLocker enabled within the Operating system, you will be required to enter their BitLocker Recovery key when booting to the Operating system.

SLN297814_en_US__1icon NOTE: The BitLocker Recovery key may be enabled automatically after the motherboard replacement. For information on recovering or saving the BitLocker Recovery key, reference the following Dell Knowledge Base article: BitLocker is prompting for a Recovery key and you do not have the BitLocker key. If the motherboard is being replaced on your computer but the computer will still boot to the operating system, it is advised that you find your BitLocker Recovery key prior to the motherboard replacement. If your computer is equipped with the Trusted Platform Module (TPM) capability, it is also advised that you decrypt the hard drive before the motherboard replacement following the steps provided in the following Dell Knowledge Base Article: Automatic Windows Device Encryption/BitLocker on Dell Systems.
SLN297814_en_US__1icon NOTE: This does not require an operating system reinstall or a hardware replacement.

This can affect systems with Windows 7 or Windows 8 or Windows 10.

SLN297814_en_US__1icon NOTE: Microsoft instructions on how to: Find my BitLocker recovery key SLN297814_en_US__4iC_External_Link_BD_v1

Solution Windows 7.

1. After you sign in with your BitLocker Recovery Key, you will need to navigate to the BitLocker manager. (Control Panel > System and Security > BitLocker Drive Encryption) (Figure 1):

SLN297814_en_US__5BLWindows7-1
Figure 1: Windows 7 open BitLocker manager console

2. In the BitLocker Manager, go ahead and suspend the program and then shut down the system (Figure 2).

SLN297814_en_US__6BLWindows7-2
Figure 2: Windows 7 Turn off BitLocker in the BitLocker manager console

SLN297814_en_US__7BLWindows7-3
Figure 3: Confirm BitLocker suspend

SLN297814_en_US__8BLWindows7-4
Figure 4: Message appears that BitLocker protection is suspended

3. Turn the system on and go into the BIOS and enable the TPM and activate it. Apply and Exit. (Choose the BIOS layout for your system from the 3 configurations below: (Figure 5; Figure 6; Figure 7)

SLN297814_en_US__9BLBIOS-1
Figure 5: BIOS configuration screen

SLN297814_en_US__10BLBIOS-2
Figure 6: BIOS configuration screen

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Figure 7: BIOS configuration screen

4. Boot back into the Operating system (May be prompted for Recovery key once more)

5. Go back to the BitLocker Manager and turn it back on.

SLN297814_en_US__12BLresume
Figure 8: Turn BitLocker back on in the BitLocker manager console


Solution Windows 8.

1. After you sign in with your BitLocker Recovery Key, you will need to navigate to the BitLocker manager. (Control Panel > System and Security > BitLocker Drive Encryption) (Figure 9)

SLN297814_en_US__13BLWindows8-1
Figure 9: Windows 8 open BitLocker manager console

2. In the BitLocker Manager, go ahead and suspend the program and then shut down the system (Figure 10).

SLN297814_en_US__14BLWindows8-2
Figure 10: Windows 8 Suspend BitLocker from the BitLocker manager console

SLN297814_en_US__15BLWindows8-3
Figure 11: Confirm BitLocker suspend

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Figure 12: Message appears that BitLocker protection is suspended

3. Turn the system on and go into the BIOS and enable the TPM and activate it. Apply and Exit. (Choose the BIOS layout for your system from the 3 configurations below) (Figure 13; Figure 14; Figure 15):

SLN297814_en_US__9BLBIOS-1
Figure 13: BIOS configuration screen 

SLN297814_en_US__10BLBIOS-2
Figure 14: BIOS configuration screen 

SLN297814_en_US__11BLBIOS-3
Figure 15: BIOS configuration screen 

4. Boot back into the Operating system (You may be prompted for Recovery key once more)

5. Go back to the BitLocker Manager and ensure that it turned back on.


Solution Windows 10.

1. After you sign in with your BitLocker Recovery Key, you will need to navigate to the BitLocker manager. (Control Panel > System and Security > BitLocker Drive Encryption)

2. From the Manage Bitlocker window, choose to Suspend protection (Figure 16).

SLN297814_en_US__20Enable Bitlocker TPM 12
Figure 16: Windows 10 Suspend protection of BitLocker from BitLocker manager console

3. Confirm the decision to suspendBitLocker, if prompted.

4. A message should appear stating that Bitlocker protection has been suspended.

5. Turn the system on and go into the BIOS and enable the TPM and activate it. Apply and Exit. (Choose the BIOS layout for your system from the 3 configurations below) (Figure 19; Figure 20; Figure 21):

SLN297814_en_US__9BLBIOS-1
Figure 19: BIOS configuration screen 

SLN297814_en_US__10BLBIOS-2
Figure 20: BIOS configuration screen

SLN297814_en_US__11BLBIOS-3
Figure 21: BIOS configuration screen 

6. Boot back into Windows 10 (you may be prompted for the Recovery key once more).

7. Go back to the BitLocker manager console and ensure that BitLocker is turned back on.


Article Properties


Last Published Date

21 Feb 2021

Version

4

Article Type

Solution

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