Enable Bitlocker On Windows Vista , 7 And Windows 8 Without TPM Device

Bitlocker Is An Encryption Tool Available In Windows Vista , Windows 7 Enterprise , Windows 7 Ultimate , Windows 8 Pro And Windows 8 Enterprise Edition . Since It Comes Pre - Loaded With These Version Of Windows , It ' S A Perfect Option For Users Who Want To Secure Their Storage . However , Using Bitlocker Requires A Device - Tpm Chip Which May Not Be Available On All Systems . In Such Cases , Windows 7 Gives The Error " A Compatible Trusted Platform Module (Tpm) Security Device Must Be Present On This Computer, But A Tpm Was Not Found. Please Contact Your System Administrator To Enable Bitlocker " After Right Clicking On A Drive And Selecting " Turn On Bitlocker " While A Clearer And More Directive Message Is Displayed In Windows 8 " This Device Can’t Use A Trusted Platform Module. Your Administrator Must Set The "Allow Bitlocker Without A Compatible Tpm" Option In The "Require Additional Authentication At Startup" Policy For Os Volumes " 

Enabling Bitlocker In Windows Vista , 7 Without Tpm Chip :

Open Start Menu - Enter Gpedit.Msc And Hit Enter [ Windows 7 ] 

Type Group Policy In Start Screen Directly [ Windows 8 ]

• Goto Computer Configuration > Administrative Templates > Windows Components > Bitlocker Drive Encryption > Operating System Drives 
• Double Click " Requireadditional Authentication At Startup " 
• Enable " Allow Bitlocker Without A Compatible Tpm "
• Hit Ok

Restart If You ' Re Willing Or Simple Open Command Prompt ( Start > Type Cnd And Enter . Type Gpupdate/Force . And Bitlocker Is Now Usable . 

There Can Be A Twist Here However . You ' Ll Require A Basic Disk To Work . Or You ' Ll Get The Following Error : 

You Can Convert Your Hard Disk To Basic Disk To Use Bitlocker . Sorry I Had To Attach An Eternal Link . Lil Bored To Write On The Topic . Honest :D