How to Fix BitLocker Enable Error

Each time you enable BitLocker on the operating system drive and your system is equipped. With the Trusted Platform Module (TPM), you can set your BitLocker PIN password.

We all know that a PIN provides better security than a regular password. In this article, we will talk about how to fix an error that BitLocker cannot fix. Let’s get started!

How to Fix BitLocker Enable Error
How to Fix BitLocker Enable Error

However, if there are some issues with the TPM, then BitLocker disk encryption would not work properly. Under this type of condition, this error appears. When you try to activate BitLocker on your computer, the Windows operating system drive:

BitLocker could not be enabled.

The BitLocker encryption key cannot be retrieved from the Trusted Platform Module (TPM).

C: Not encrypted.

Reasons for the error

Well, these factors can cause this problem in your system, check out:

  • If UEFI and disable safe boot.
  • Install both TPM 2.0 and shut down UEFI plus safe boot.
  • TPM is out of date and needs an update.
  • The BIOS is outdated and also requires an update.
  • The disk is MBR partition style and requires GPT  conversion.

If you are also facing this problem, here is how you can fix it:

How to Fix BitLocker Enable Error

General suggestions

You can try the suggestions below and see if they can help you:

  • You can try disabling BitLocker TPM.
  • Temporarily turn off BIOS settings in  TPM and try activating BitLocker later.
  • If you still want to go to TPM, then update the BIOS    TPM on your system. If there really is an update.
  • Make sure you have the latest  Windows updates installed as well.

If you still have a problem, go to 2. FIX.

Advanced method BitLocker could not be enabled

Note: We recommend that you create a System Restore Point and then back up your data before attempting the steps below.

  • First, press Windows  + X and choose Disk Management.
  • Now, in Disk Management, right-click on your operating system disk (not partition or volume) and choose Properties. Now on the property page, change the volume tab and check the partition style.

And if it says Master Boot Record  ( MBR ), then we need to convert the disk to the Partition Table GUID ( GPT ) really. If the disk already has  GPT, no conversion is required, then you can go straight to step 4 below as well.

  • If your drive is MBR, then you can also use the MBR2GPT tool available in Windows 10  V1703 or later. GPT to convert your disk without even losing your data.
  • Then open the command for Administrative Command  and type  mbr2gpt /convert /allowFullOSand press the Enter key.
  • When the MBR  to  GPT conversion is finished, now reboot the system and press the F10  or  F12 key. (You can also confirm the device manufacturer key) over and over again. To access the temporary launch menu. Choose Change Boot Mode Settings as well.

Further | BitLocker could not be enabled

* This step may be different depending on your device. The goal here is to enable UEFI boot mode in safe boot mode.

  • Now you just have to change the boot mode to UEFI boot mode, safe boot ON. Save all these settings and restart the machine.
  • Once logged in, press Windows  + R to  open  Run, typetpm.mscand tap OK to open the TPM Management snap-in.
  • Now in the TPM Management snap-in window, under  Actions, just click the Prepare TPM option (see screenshot below). If you need to Prepare the TPM option is colored gray, then you need to make sure the TPM  is BIOS enabled.
  • Try enabling the BitLocker operating system drive to work flawlessly now and again.


Okay, that was all the people! I hope you enjoyed this helpful “BitLocker Could Not Enable” article. Give us your feedback. Also, if you have any queries and issues related to this article.

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