Toshiba e-STUDIO 2555C Service Manual page 785

SRAM Key FROM Key
Status Status
OK KeyNull/
KeyBroken
KeyNull/ OK
KeyBroken
KeyNull/ KeyNull/
KeyBroken KeyBroken
KeyMismatch KeyMismatch
* AccessFailed or KeyMismatch
[F109_6] Key consistency error (administrator password error for ADI-HDD authentication)
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 Key
Status and FROM Key Status fields.
Remarks:
If the error is not cleared, reinstallation of the system firmware, system software and application
is needed. ([4]+[9] → Power-ON)
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Recover the ADI key on the SYS board.
 P. 9-22 "9.2.4 Precautions and Procedures when replacing
the SYS board" ([C]Restore ADI key)
Recover the encryption key on the SRAM board.
 P. 9-26 "9.2.5 Precautions and procedure when replacing
the SRAM board (for the SYS board)" ([G]Backup ADI key)
<No USB backup data>
1. Create the partition in the HDD, and reinstall the system
software.
 P. 9-17 "9.2.3 Precautions and procedures when
replacing the HDD"(Perform step 3 or later in "[E]Replace /
Format HDD")
<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".
[C] Restore ADI key (only when ADI-HDD is installed)
[D] Restore encryption key
[E] Restore license
<The error occurs when the SYS board is replaced>
Recover the encryption key on the SYS board. (Transfer the
license from SYS-SRAM to SYS-FROM.)
 P. 9-22 "9.2.4 Precautions and Procedures when replacing
the SYS board"([C]Restore ADI key)
<The error occurs except when the SYS board is replaced>
Recover the encryption key on the SRAM board. (Transfer the
license from SYS-FROM to SYS-SRAM.)
 P. 9-26 "9.2.5 Precautions and procedure when replacing
the SRAM board (for the SYS board)"([G]Backup ADI key)
Key consistency error - Administrator password error for ADI-
HDD authentication.
Check the message displayed by [3] + [C] + [POWER] → 5. Key
Backup Restore.
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Measure
Contents
Measures
e-STUDIO2555C/3055C/3555C/4555C/5055C
ERROR CODE AND TROUBLESHOOTING
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