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Problem in turning ON BitLocker - TPM not found

    Question

  • I am trying to enable BitLocker on a Windows 7 Ultimate C:\ drive. The problem is, when I go to the control panel>Bitlocker Drive Encryption> and tell it to turn on bitlocker for the C:\ drive; it shows the following problem

    "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."

    . Does anyone know what is wrong here? What is TPM? How To make TPM available on my laptop? And, finally how to enable BitLocker?

    Thanking You

    Monday, December 12, 2011 9:55 AM

Answers

  • Hi,

     

    Trusted Platform Module (TPM) is a hardware which can provide the additional security of pre-startup system integrity verification and multifactor authentication. The TPM is usually installed on the motherboard of a computer or laptop, and communicates with the rest of the system using a hardware bus. You need to activate it in BIOS.

     

    Please also update the BIOS as Las D. Rashid mentioned. If the TPM still cannot be enabled, you can use group policies to enable BitLocker using USB memory sticks instead.

     

    Enable BitLocker on a Drive Without TPM

    http://mockbox.net/windows-7/198-enable-bitlocker-on-a-drive-without-tpm.html

    Note: Since the website is not hosted by Microsoft, the link may change without notice. Microsoft does not guarantee the accuracy of this information.

     

    Best Regards,

    Niki


    Niki Han

    TechNet Community Support

    Wednesday, December 14, 2011 3:42 AM
    Moderator
  • Hi,

     

    Please check if the following article is helpful.

     

    Turn the TPM On or Off

    http://technet.microsoft.com/en-us/library/cc754524.aspx

     

    However, BIOS comes from manufacture. Therefore, each manufacture has a different BIOS configuration. It is better to contact manufacture support.

     

    Example:

    http://www.wave.com/support/DellSecuritySetupGuide/QS_O1.htm

    Note: Since the website is not hosted by Microsoft, the link may change without notice. Microsoft does not guarantee the accuracy of this information.

     

    Best Regards,

    Niki


    Niki Han

    TechNet Community Support

    Thursday, December 15, 2011 10:07 AM
    Moderator

All replies

  • Hi Debu88,

     

     

    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.

     

    If you receive this error message on a computer that has a TPM, check if either of the following situations applies to your computer:

    • Some computers have TPMs that do not appear in the Windows 7 TPM Microsoft Management Console snap-in (tpm.msc) due to a BIOS setting that hides the TPM by default and does not make the TPM available unless it is first enabled in the BIOS. If your TPM might be hidden in the BIOS, consult the manufacturer's documentation for instructions to display or enable the TPM.

    • Some computers might have an earlier version of the TPM or an earlier version of the system BIOS that is not compatible with BitLocker. Contact the computer manufacturer to verify that the computer has a TPM version 1.2 or to get a BIOS update.

     

     

    Source : http://technet.microsoft.com/en-us/library/ee449438(WS.10).aspx

     

     

    ** also check this Article : http://mockbox.net/windows-7/198-enable-bitlocker-on-a-drive-without-tpm.html

     

    Regards,

     


    MCP ✦ MCTS ✦ MCITP
    Monday, December 12, 2011 9:59 AM
  • Thanks L. D. Rashid for your reply to my query.

     

     

    When I installed Windows 7 for the first time on my laptop well then BitLocker was working. i was able to enable BitLocker then. But for some reasons i had to format my C:\ drive twice or thrice. And since then i am unable to turn on Bitlocker. What could have gone wrong?

    Monday, December 12, 2011 10:16 AM
  • Hi,

     

    Trusted Platform Module (TPM) is a hardware which can provide the additional security of pre-startup system integrity verification and multifactor authentication. The TPM is usually installed on the motherboard of a computer or laptop, and communicates with the rest of the system using a hardware bus. You need to activate it in BIOS.

     

    Please also update the BIOS as Las D. Rashid mentioned. If the TPM still cannot be enabled, you can use group policies to enable BitLocker using USB memory sticks instead.

     

    Enable BitLocker on a Drive Without TPM

    http://mockbox.net/windows-7/198-enable-bitlocker-on-a-drive-without-tpm.html

    Note: Since the website is not hosted by Microsoft, the link may change without notice. Microsoft does not guarantee the accuracy of this information.

     

    Best Regards,

    Niki


    Niki Han

    TechNet Community Support

    Wednesday, December 14, 2011 3:42 AM
    Moderator
  • @Niki....Can you tell me the steps to activate it in BIOS?
    Wednesday, December 14, 2011 4:53 AM
  • Hi,

     

    Please check if the following article is helpful.

     

    Turn the TPM On or Off

    http://technet.microsoft.com/en-us/library/cc754524.aspx

     

    However, BIOS comes from manufacture. Therefore, each manufacture has a different BIOS configuration. It is better to contact manufacture support.

     

    Example:

    http://www.wave.com/support/DellSecuritySetupGuide/QS_O1.htm

    Note: Since the website is not hosted by Microsoft, the link may change without notice. Microsoft does not guarantee the accuracy of this information.

     

    Best Regards,

    Niki


    Niki Han

    TechNet Community Support

    Thursday, December 15, 2011 10:07 AM
    Moderator
  • hi,

    in my case it was working fine before my HD got crashed and i replaced it with a TOSHIBA HD drive in HP service center and again installed win7 ultimate.since then i am unable to use bit locker.but when i right-click on a USB drive,it shows bitlocker option. after some setting change in "local group policy edit" i am able to encrypt C drive but not other partitions. and for C drive it asks for a USB drive to store encryption key.

    but before i was able to encrypt my E drive with both PIN and encryption key. i used to save encryption key in other drive such as D drive.

    feeling completely helpless after surfing so much on net. answers in this forum is also unable to solve my problem. so understand my problem as described and reply me with verified solutions.

    Also not sure TPM was present in my laptop,how do I know it??is it possible for service center mechanic to remove TPM???

    awaiting reply  

    thank u

    Monday, August 12, 2013 6:58 PM
  • hi,

    in my case it was working fine before my HD got crashed and i replaced it with a TOSHIBA HD drive in HP service center and again installed win7 ultimate.since then i am unable to use bit locker.but when i right-click on a USB drive,it shows bitlocker option. after some setting change in "local group policy edit" i am able to encrypt C drive but not other partitions. and for C drive it asks for a USB drive to store encryption key.

    but before i was able to encrypt my E drive with both PIN and encryption key. i used to save encryption key in other drive such as D drive.

    feeling completely helpless after surfing so much on net. answers in this forum is also unable to solve my problem. so understand my problem as described and reply me with verified solutions.

    Also not sure TPM was present in my laptop,how do I know it??is it possible for service center mechanic to remove TPM???

    pls mail me with solutions at rashmigoodboy@gmail.com

    awaiting reply  

    thank u

    Monday, August 12, 2013 7:00 PM