Toshiba e-STUDIO 5540C Service Manual page 956

SRAM Key FROM Key
Status
KeyNull/ KeyNull/
KeyBroken KeyBroken
* AccessFailed, KeyNull or KeyBroken
[F109_4] Key consistency error (license data damage)
Classification
Other service call
Check Item
Encryption key status confirmation
Take measures given in the following table according to the messages displayed in the SRAM Licence
Status and FROM Licence Status fields.
Remarks:
If the error is not cleared, reinstallation of the OS data, master data and application is needed.
([4]+[9]Power-ON)
SRAM Licence FROM Licence
Status
* AccessFailed
AccessFailed *
e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C
ERROR CODE and TROUBLESHOOTING
Status
<No USB backup data>
1. Reinstall the system software.
 P. 11-6"11.2 Firmware Updating with a USB Device"
<With USB backup data: All key data recovery>
1. Recover all the data on the SRAM board.
[5] + [9] + [POWER]  2. Restore SRAM Data from USB
(For details, see "12.1.4Cloning procedure [B]Restore
procedure".)
2. Recover the encryption key/license on the SYS board.
Follow the procedures below noted in "9.2.4Precautions and
Procedures when replacing the SYS board".
[E] Restore ADI key (only when ADI-HDD is installed)
[F] Restore encryption key
[G]Restore license
Key consistency error - The license data are damaged.
Check the message displayed by [3] + [C] + [POWER]  5. Key
Backup Restore.
Status
Replace the SYS board.
 P. 9-30"9.2.4 Precautions and Procedures when replacing
the SYS board" (all steps)
<With USB backup data: All key data recovery>
1. Recover all the data on the SRAM board.
[5] + [9] + [POWER]  2. Restore SRAM Data from USB
(For details, see "12.1.4Cloning procedure [B]Restore
procedure".)
2. Recover the encryption key/license on the SYS board.
Follow the procedures below noted in "9.2.4Precautions and
Procedures when replacing the SYS board".
[E] Restore ADI key (only when ADI-HDD is installed)
[F] Restore encryption key
[G]Restore license
Replace the SYS board.
 P. 9-35"9.2.6 Precautions and Procedures when replacing
SRAM board (for SYS board)" (all steps)
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