1. Guide locking the drive (encryption) with Bitlocker software
Step 1: Right-click the drive you want to lock on Turn on BitLocker.
Step 2: Use the password box to unlock the drive and enter the password in the box Enter your password and Reenter your password. Then click the Next button.
Step 3: Back up your backup keys when you forget your password. You can save anywhere in the options:
Save to your Microsoft account: Save to your Microsoft account
Save to a USB flash drive: Save to USB
Save to a file: Save to a computer
Print the recovery key
When done, click Next to continue.
Note: You must save the backup key when the Next button lights up for you to press
Step 4: BitLocker will automatically encrypt when you add new files to the drive. However, you need to select the encoding for the files already on the drive.
There are two options
Encrypt used disk space only: Only encrypts the space used on the drives. Recommended for new computers - faster.
Encrypt entire drive (slower but best for PCs and drives already in use): Encrypt entire drive. Recommended for computers that have been using for some time - slower.
When done, click Next.
Step 5: In this step there are two options:
New encryption mode: If you lock the hard drive on the computer, select this option.
Compatible mode: If the removable drive key can be moved to another device, select this option.
Finished, click the Next button to continue.
Step 6: Click the Start encrypting button.
Step 7: BitLocker starts encrypting the drive. You can still use the computer when the encoding process takes place, but will make the encoding process a bit slower.
Step 8: Notice the data encryption on the drive successfully, click Close to close the message.
Once the encryption is complete, the drive will be locked the next time you boot, you need to unlock it to use.
The drive letter is locked with BitLocker (as shown in Figure D).
2. Guide to unlock the drive (only need to unlock every time the computer boots)
Step 1: Right-click on the locked drive with BitLocker and select Unlock Drive ...
Step 2: Enter the password and press the Unlock button.
The drive will now be unlocked (as shown in Figure D).
3. How to change password lock drive
Step 1: Unlock the drive with the old password.
Step 2: Right-click on the drive and select Change BitLocker password.
Step 3: Enter the old password into the Old password box and enter the new password in the New password box and Confirm new password and click the Change password button.
Step 4: After the message appears The password has been successfully changed is that you have changed the password successfully.
4. How to use the backup password when forgetting password
Step 1: Right click on the drive select Unlock Drive ...
Step 2: At the password input window, click on More options.
Step 3: Continue to press enter recovery key.
Step 4: Open the recovery key when you set BitLocker, copy (key) in the Recovery Key.
Step 5: Paste this key into the BitLocker unlocking box and press the Unlock button.
5. Open the BitLocker management page
Option 1: Right-click on the locked drive with BitLocker (unlocked) and select Manage BitLocker.
Step 1: Open the Control Panel
Step 2: Select System and Security (Note the View by Category mode).
Step 3: Click on Manage BitLocker.
Step 4: BitLocker management interface. Here you can back up your backup keys, change passwords, delete passwords, turn on auto-unlock, turn off BitLocker.
6. How to unblock the drive (turn off BitLocker)
Step 1: Go to the BitLocker management page (see instructions in section 5).
Step 2: Click the Turn off BitLocker line in the section where you want to turn off BitLocker. When the confirmation window appears, click the Turn off Bitlocker button.
Step 3: Begin the decoding process. Once decrypted, it means that the drive will be unlocked.