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System board and components
14.4.2 Removing the TPM
Field Replaceable Unit
(FRU)
Tools: Removing the system board:
– Phillips PH2 / (+) No. 2 screw driver
Installing the TPM:
– Bit screw driver
– TPM bit insert
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For the Japanese market:
– TPM module fixing tool (S26361-F3552-L909)
V
CAUTION!
Advise your contact persons that they must provide you with TPM
backup copies. For security reasons, the TPM must be restored/re-
saved by the customer. After installing a new system board, the TPM
must be enabled. You may not clear the TPM data.
If the contact persons DO NOT have a backup copy available, inform
them that replacing the TPM will cause to lose all data.
14.4.2.1 Preliminary steps
Ê Before removing the TPM, 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.
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Upgrade and Maintenance Manual
Hardware: 30 minutes
TX140 S2
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