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If the TPM chip fails, you can use the previously backed up data of the TPM key to restore the TPM key on to the new TPM chip. For information on backing up the TPM key, see "Backing Up the TPM Key." For information on TPM chip failure, contact your local authorized Canon dealer.

• Restoring of the TPM key recovers the access to the HDD/SRAM that became inaccessible due to TPM chip failure and does not recover the HDD/SRAM.

• You cannot restore the TPM key for the following cases:

• USB memory is not connected
• More than one USB memory is connected
• TPM key does not exist on the USB memory
• TPM key on the USB memory is not correct

• Changes are only effective after you restart the machine (the main power switch is turned OFF, and then back ON). For instruction on restarting (turning the main power switch OFF and then ON) the machine, see "Before You Start Using This Machine."

1. Press (Settings/Registration) → [Management Settings] → [Data Management] → [TPM Settings].

2. Press [Restore TPM Key].

3. Press [Password] → enter the password you specified when backing up → press [OK] → [OK].

4. Connect the USB memory to the machine → press [OK].

If the error screen is displayed, follow the instructions on the screen and restore again.

5. Confirm that the TPM key was successfully restored → press [OK] → restart the machine.

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