Toshiba e-STUDIO5540C Service Manual page 185

[F100_2] HDD format error (HDD encryption key data damaged - both boards)
Classification
Other service call
Check Item
Encryption key status
Take appropriate countermeasures shown in the table below according to the messages displayed in
"SRAM Key Status" and "FROM Key Status".
Remarks:
If the error is not cleared, reinstallation of the OS data / master data and application is needed.
([4]+[9]Power-ON)
SRAM Key FROM Key
Status
* AccessFailed
AccessFailed *
KeyNull/ KeyNull/
KeyBroken KeyBroken
* AccessFailed, KeyNull or KeyBroken
e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C
ERROR CODE and TROUBLESHOOTING
HDD format error: Encryption key data of both the SYS board
and the SRAM board for the SYS board are damaged.
Check the displayed message. ([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)" (for the SYS board, all steps)
<No USB backup data>
1. Reinstall the system software.
 P. 11-6"11.1 Firmware Updating with USB Media"
<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
Contents
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