Toshiba e-STUDIO556 Service Manual page 649

Check item
Setting
[F900] Model information error
Classification
Other service call
Check item
Setting
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Reset the date, and request the administrator to set the date and time.
1. Turn the power on while pressing the [6] and [C].
2. Select [2] key, and then press the [START].
3. Press the [START] on the confirmation screen displayed. (The date is
set to January 1st, 2011.)
4. Request the administrator to set the date and time.
Machine information alignment error.
The machine information is damaged
Recover the machine information by means of the following procedure.
Note:
The following procedure is supported in the firmware with the
version "2050" or later. If the version is before "2050", first upgrade
it to "2050" or later with [4] + [9] -> [1] for "SYSTEM FIRMWARE
(OS Data)".
<Machine information recovery>
1. Turn the power ON while pressing [6] and the [CLEAR] button
simultaneously.
2. Key in [3] to select "3. SRAM Re-Initialize Support", and then press the
[START] button.
3. After the operation is completed, shut down the equipment by pressing
the [ON/OFF] button.
* If it is not recovered, perform the following procedure.
4. Turn the power ON while pressing [3] and the [CLEAR] button
simultaneously.
5. Enter the password on the Authentication screen. If no password is set
for Service, press the [OK] button without entering anything. If the High
Security Mode has been set, enter "#1048#".
6. Key in [5] to select "5. Key Backup Restore", and then press the
[START] button.
7. Key in [2] to select "2. Key FROM to SRAM", and then press the
[START] button.
8. After the operation is completed, shut down the equipment by pressing
the [ON/OFF] button.
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Measures
Error item
Measures
e-STUDIO556/656/756/856(Ver03)
ERROR CODE AND TROUBLESHOOTING
8