Drive Encryption: Allow BitLocker without Compatible TPM on Win10

By Michael | Last Updated January 03, 2024

Protecting your data and files through BitLocker drive encryption in Windows 10 that outcomes cannot crack password easily. You can password encrypt disk include Disk C and removable drive. In Windows 10, users can select to save the password in local computer or USB. Walk through the tutorial to allow BitLocker without compatible TPM Windows 10.

• Part 1: Allow BitLocker without a compatible TPM Windows 10
• Part 2: BitLocker Drive Encryption Windows 10
• Part 3: Stop BitLocker Drive Encryption while encrypting

Part 1: Allow BitLocker without a Compatible TPM Windows 10

Before turning on BitLocker, we have to allow BitLocker without compatible TPM. Otherwise, you may meet "This device can't use a Trusted Platform Module. Your administrator must be set the Allow BitLocker without a compatible TPM option in the Require addition authentication at startup policy for OS volumes" error.

Step 1: Press Windows key + R to invoke Run dialog. Input gpedit.msc and click OK.

Note: If you have Home Edition then you haven't got it.

Step 2: In the right pane, expand Computer Configuration Administrative Templates Windows Components BitLocker Drive Encryption Operating System Drives. Go to right filed and double-click on Require additional authentication at startup.

Step 3: In the popup window, click on Enable then tick on "Allow BitLocker without a compatible TPM (requires a password or a startup key on a USB flash drive)" checkbox. Tap on OK to save changes.

Part 2: BitLocker Drive Encryption Windows 10

Step 1: Open This PC and right-click on the drive that you want to encrypt. Select Turn on BitLocker.

Note: Do not reinstall your system if there any drive encrypts, otherwise the data in the disk will be damaged.

Step 2: In the BitLocker Encryption window, choose how you want to unlock this drive.

• Use a password to unlock the drive: Enter your password for twice.
• Use my smart card to unlock the drive: Insert your smart card for the first step. Smart card PIN will be required when unlocking the drive.

Step 3: Choose how to backup recovery key. You can save to your Microsoft account, a USB flash drive, a file or print recovery key.

Note: You can't save to the encrypted drive.

Step 4: Decide how much of your drive to encrypt. You can encrypt used disk space only or the entire drive instead.

Step 5: Choose which encrypt mode to use. Check on New encrypt mode or Compatible mode.

Step 6: When things have been ready, click on Start encrypting button.

Part 3: Stop BitLocker Drive Encryption While Encrypting

Once you turn on the wrong disk BitLocker, you have to stop it as soon as possible. Here is how to achieve it.

Step 1: Open This PC, right-click on the encrypting drive and select Manage BitLocker.

Step 2: Click on Turn off BitLocker as the image below. Do not arbitrarily remove the drive in the process of encryption and decryption so as not to damage the file.

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