422 Upgrade and Maintenance Manual TX2550 M4
System board and components
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 more information on how to disable BitLocker drive encryption,
see the Microsoft Knowledge Base.
For more information, see the Fujitsu 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.
Ê Save your changes and exit the BIOS.
I For more information on how to access the BIOS and modify settings,
see the corresponding BIOS Setup Utility reference manual.
Ê "Suspending BitLocker functionality" on page 105
Ê "Shutting down the server" on page 52
Ê "Disconnecting the power cord" on page 53
Ê "Getting access to the component" on page 54
Ê "Removing the system air duct" on page 67
Ê "Removing the PCI air duct" on page 86
Ê If applicable, "Removing the riser module" on page 84
Ê "Removing the crossbar" on page 88
Ê Remove the fan bridge, see section "Handling fan bridges" on page 90.
14.3.2.2 Removing the TPM
Ê Remove the system board, see section "Removing the defective system
board" on page 453.
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