444 Upgrade and Maintenance Manual TX140 S1
System board and components
14.3.2.2 Preliminary steps
Before removing the TPM board, perform the following steps:
Ê Before removing the TPM board, it is necessary to remove BitLocker-
protection from the computer and to decrypt the volume.
Ask the system administrator to turn off BitLocker-protection using the
BitLocker setup wizard available either from the Control Panel or Windows
Explorer:
Ê Open Bitlocker Drive Encryption by clicking the Start button, clicking
Control Panel, clicking Security, and then clicking Bitlocker Drive
Encryption.
I Administrator permission required If you are prompted for an
administrator password or confirmation, type the password or
provide confirmation.
Ê To turn off BitLocker and decrypt the volume, click Turn Off BitLocker, and
then click Decrypt the volume.
I Decrypting the volume may be time-consuming. By decrypting the
volume, all of the information stored on that computer is decrypted.
For further information on how to disable BitLocker drive encryption,
please refer to the Microsoft Knowledge Base.
Fujitsu service partners will find additional information (also available
in Japanese) on the Fujitsu Extranet web pages.
Ê Disable TPM in the system board BIOS. Proceed as follows:
Ê Switch on or restart your server.
Ê As soon as the startup screen appears, press the [F2] function key to
enter the BIOS.
Ê Select the Advanced menu.
Ê Select the Trusted Computing submenu.
Ê Set the TPM Support and TPM State settings to Disabled.
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