Fix: BitLocker password prompt screen problem on Windows 10

By: Milan Stanojevic
7 minute read

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One of the best ways to protect your data is to encrypt it, and many users use BitLocker in order to do that. Even though BitLocker is a great feature, some users reported issues with BitLocker password prompt screen on Windows 10.

BitLocker password prompt screen problem on Windows 10, how to fix it?

BitLocker is a great feature if you want to encrypt your hard drive and protect it, but sometimes issues can occur. Speaking of issues, here are some common problems that users reported:

  • Windows 10 BitLocker black screen – This is a relatively common problem, and in order to fix it, you just need to enter your password, even if the prompt screen isn’t visible.
  • BitLocker asking for recovery key instead of password – To fix this issue, you can try using the Command Prompt to enter your recovery key and then encrypt your hard drive again.
  • BitLocker blue screen – This is a common problem, and it might be caused by outdated BIOS. Update your BIOS and check if that solves the issue.
  • BitLocker does not prompt for password – If you encounter this issue, try switching to the LegacyBoot and check if that solves your problem.
  • BitLocker password prompt is not working – This problem can occur due to the Fast Startup feature, but once you disable it, you should be able to use the password prompt again.

Solution 1 – Enter your PIN blindly

Users reported that instead of BitLocker prompt screen they are getting a solid blue screen with no input field to enter their PIN. This can be a bit daunting, but you should know that you can still enter your PIN on the solid screen even if you don’t see the password field.

Simply enter your PIN blindly and you should log in to Windows 10 without any problems.


Solution 2 – Remove the problematic update and reinstall it

Users reported that certain update caused the problem with BitLocker password prompt screen, and in order to fix this problem you should uninstall the problematic update and reinstall it. The first thing that you need to do is to log in to Windows 10 by using the method we described in the previous solution.

After logging in you need to remove the problematic update. To do that follow these steps:

  1. Open the Settings app and go to Update & security.
    BitLocker blue screen
  2. Now click on View your update history.
    BitLocker does not prompt for password
  3. You’ll see all installed updates in Update history section. Click on Uninstall updates.
    BitLocker password prompt is not working
  4. Find the problematic update and double click it to uninstall it. Users reported that KB3172985 update caused the issue for them, therefore be sure to remove it.
    Windows 10 BitLocker black screen
  5. Restart your computer.

After removing the update you need to temporarily suspend BitLocker. To suspend BitLocker do the following:

  1. Press Windows Key + S and enter bitlocker. Select Manage BitLocker from the list of results.
    BitLocker blue screen
  2. You should now see your encrypted drives. Select the Suspend protection option.

After suspending BitLocker protection you need to reinstall the update. Simply go to Windows Update section in the Settings app and check for updates to automatically download the missing update. After reinstalling the update the issue should be resolved and you can turn on BitLocker protection once again.


Solution 3 – Use Command Prompt

Users reported that you can fix this problem by using Command Prompt. Before you use Command Prompt, you might want to suspend BitLocker protection first. It seems that there’s a problem with boot-time font files and you can fix that by doing the following:

  1. Start Command Prompt as administrator. You can do that by pressing Windows Key + X shortcut and selecting Command Prompt (Admin) from the menu.
    BitLocker asking for recovery key instead of password
  2. Once the Command Prompt opens enter bfsvc.exe %windir%\boot /v and press Enter to run it.
    BitLocker asking for recovery key instead of password

After you execute the command the issue with BitLocker password prompt screen should be fixed completely.


Solution 4 – Use legacy boot

Windows 10 uses a new graphical boot menu, and sometimes that boot menu can lead to certain issues such as problems with BitLocker password prompt screen. According to users, if you switch back to legacy boot there are no problems with BitLocker password screen. To do that follow these steps:

  1. Open Command Prompt as administrator.
  2. When Command Prompt starts enter bcdedit /set {default} bootmenupolicy legacy and press Enter to run it.
    BitLocker blue screen

After enabling legacy boot your boot screen might not look as pretty, but you should have no problems with BitLocker password screen anymore.


Solution 5 – Disable Fast Startup feature

Fast Startup can be quite useful since it will allow your PC to boot faster, but despite the usefulness of this feature, sometimes Fast Startup can cause problems with BitLocker password prompt screen. To fix this issue, users are recommending to disable Fast Startup on your PC and in BIOS.

To disable Fast Startup in Windows, do the following:

  1. Press Windows Key + S and enter power settings. Choose Power & sleep settings from the list of results.
    BitLocker does not prompt for password
  2. Click on Additional power settings in the Related settings section.
    BitLocker does not prompt for password
  3. Power Options window will now open. Select Choose what the power button does option from the left pane.
    BitLocker password prompt is not working
  4. Click on Change settings that are currently unavailable.
    Windows 10 BitLocker black screen
  5. Uncheck Turn on fast startup (recommended) option and click Save changes.
    BitLocker asking for recovery key instead of password

After doing that, go to BIOS and look for Fast Startup option there as well. After you disable Fast Startup in BIOS and in Windows, the problem should be completely resolved.


Solution 6 – Update your BIOS

If you’re having Bitlocker password prompt screen problems, the problem might be your BIOS. Several users reported that they fixed this issue simply by updating their BIOS to the latest version.

BIOS update is a somewhat complicated procedure, so in order to perform it properly, be sure to check your motherboard manual for step-by-step instructions. If you don’t update your BIOS properly, you can cause permanent damage to your system, so be extra cautious.

We also wrote a short guide on how to flash your BIOS, so you might want to check it out for some general instructions. Once you update BIOS, disable BitLocker and enable it once again and the issue will be resolved.

Some users claim that in order to use BitLocker properly, you need to have TPM 2.0 firmware. If you already have TPM 2.0 firmware, downgrade to TPM 1.2 and the issue should be resolved. Some users are also suggesting to update ControlValut, so you can try that as well.


Solution 7 – Use Command Prompt outside of Windows 10

According to users, if you have problems with BitLocker password prompt screen, you might be able to fix it simply by running a couple of commands outside of Windows. This is fairly simple, and you can do it by following these steps:

  1. Restart your computer a couple of times during the boot sequence.
  2. After about three restarts you’ll cause an Automatic Repair to start. You’ll be presented with a list of options. Select Troubleshoot > Command Prompt.
  3. When Command Prompt opens, enter manage-bde – status and press Enter.
  4. You should now see the list of volumes. Enter manage-bde -protectors – disable C: and press Enter to run it. Keep in mind that you need to replace C with the letter of the encrypted drive.
  5. Now run wpeutil reboot command.

After executing all commands, close Command Prompt, restart your PC and check if the problem is resolved.

Alternatively, you can use the following commands:

  • manage-bde -status c:
  • manage-bde -unlock c: -rp <your 48-digit recovery password>
  • manage-bde -protectors -disable c:

Keep in mind that these commands might not fix the problem, but at least they will allow you to access Windows 10 again.


Solution 8 – Disable Secure Boot

If you’re having problems with BitLocker password prompt screen, you might be able to fix the issue by disabling the Secure Boot feature in BIOS.

To see how to access BIOS and how to disable this feature, we strongly advise you to check your motherboard or laptop manual for detailed instructions.


Solution 9 – Run a bcedit command

According to users, their PC shuts down on BitLocker password prompt screen. This is somewhat normal and automatic, but you can fix the issue by running a single command. To do that, follow these steps:

  1. Start Command Prompt outside of Windows 10.
  2. When Command Prompt starts, run the bcdedit /set {bootmgr} bootshutdowndisabled 1 command.

After running this command, your PC won’t shutdown during the password prompt screen.


Solution 10 – Remove the hard drive from your PC and decrypt it on another PC

According to users, they fixed issues with BitLocker password prompt screen on their PC by removing their hard drive and decrypting it on another PC. To do that, you need to turn off your PC, disconnect it from the power outlet, open the case and remove your hard drive carefully.

Now connect your hard drive to a different PC and decrypt it. Once that is finished, insert the hard drive back to your PC. If everything works properly, it’s advised to update your system before you encrypt the hard drive again. You can do that by following these steps:

  1. Open the Settings app and go to Update & Security section.
  2. Now click Check for updates button.

If any updates are available, they will be downloaded in the background and installed as soon as you restart your PC. Once your system is up to date, you encrypt your hard drive again.

BitLocker is one of the simplest ways to encrypt and protect your hard drive, and if you’re having problems with BitLocker password prompt screen be sure to try some of our solutions.


Editor’s Note: This post was originally published in August 2016 and has been since completely revamped and updated for freshness, accuracy, and comprehensiveness.


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