One of the security features added to Vista is the new drive encryption feature called BitLocker Drive Encryption.BitLocker helps users to encrypt confidential and sensitive information stored in their computer.BitLocker Drive Encryption by default requires a Trusted Platform Module (TPM Chip) version 1.2 or later installed in your computer.But many of the PCs and Laptops available in market donot come with TPM chips installed in them.Here is how to use BitLocker Drive Encryption even when your PC do not have TPM chips installed in them.
Right-click on the Start menu and type “gpedit.msc” in the search box.This will open the Group Policy window.
Here navigate to Computer Policy > Administrative Templates > Windows Components > BitLocker Drive Encryption.
Right click on Control Panel Setup> Enable advanced startup options and select Properties.
Check Enabled and click OK.
