Windows 8 and 8.1 Forums


Problem enabling Bitlocker

  1. #1


    Croatia
    Posts : 26
    Windows 8.1 Enterprise x64

    Problem enabling Bitlocker


    Hi guys.

    When I want to turn on BitLocker on C drive (for some reason I can't do it on other drives) I get this message:

    Click image for larger version

    What should I do in order to enable BitLocker for not only C drive, but all of my partitions?
    And can someone also tell me which encryption is BitLocker using?

      My System SpecsSystem Spec

  2. #2


    Posts : 22,582
    64-bit Windows 10


    Hello Tonchi,

    The tutorial below can help show you how to enable BitLocker without a TPM on your OS drive.
    For your other drives:
    Hope this helps,
    Shawn
      My System SpecsSystem Spec

  3. #3


    Croatia
    Posts : 26
    Windows 8.1 Enterprise x64


    I have a problem following a tutorial:
    Click image for larger version
    I can't figure out how to get the all of those informations that can be seen in tutorial.
      My System SpecsSystem Spec

  4. #4


    Posts : 22,582
    64-bit Windows 10


    Tonchi,

    That's the TPM manager, and is not in the tutorial. You don't have a TPM, so you would need to do the steps in OPTION ONE in the tutorial below. Specifically, you would need to do step 1 first to enable being able to turn on BitLocker without a TPM with the rest of the steps.

    BitLocker - Turn On or Off for OS Drive in Windows 8
      My System SpecsSystem Spec

  5. #5


    Croatia
    Posts : 26
    Windows 8.1 Enterprise x64


    Click image for larger version
      My System SpecsSystem Spec

  6. #6


    Posts : 22,582
    64-bit Windows 10


    That would be an issue. You have converted your OS drive to a dynamic disk instead. BitLocker will only work on basic disks.

    Please post a screenshot showing the full layout of your Disk Management (diskmgmt.msc) window, and pointing out which disk is the Windows hard drive that you are wanting to encrypt with BitLocker. I'll be happy to take a look at it, and help you get it converted back to being a basic disk.
    In the mean time, DO NOT restart or shutdown your PC. If you do, you may not be able to startup into Windows 8 again since it is a dynamic disk instead of basic.
      My System SpecsSystem Spec

  7. #7


    Croatia
    Posts : 26
    Windows 8.1 Enterprise x64


    Before I do any of these, can you tell me one thing. Would my computer be safer from malicious softwares if I made encryption of main partition? I mean if some malicious software wants to install in system files (which are on main partition) would it need access to that partition and if it lacks of access would main partition be safer from those softwares?
      My System SpecsSystem Spec

  8. #8


    Posts : 22,582
    64-bit Windows 10


    Using BitLocker on your OS drive is not going to prevent malicious software from being installed in Windows while you are in Windows.

    BitLocker can help prevent access to drive if the password is not given or USB not connected at boot instead.


    Either way, you'll need to convert your disk back to Basic instead of Dynamic since Windows does not support booting from a dynamic disk.
      My System SpecsSystem Spec

  9. #9


    Croatia
    Posts : 26
    Windows 8.1 Enterprise x64


    Can you give me a hint how to do that, so I would not f**k up something. (Sorry for inappropriate talking)
      My System SpecsSystem Spec

  10. #10


    Posts : 22,582
    64-bit Windows 10


    The tutorial I posted will help show you how to. Be sure to only use OPTION ONE or OPTION TWO. The other options will format the drive.

    Convert a Dynamic Disk to a Basic Disk - Windows 7 Help Forums
      My System SpecsSystem Spec

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