List of Error Codes
When turning on the computer, if one of the following error codes or messages is displayed, follow the instructions
shown below.
If the problem persists, or if the error code or message displayed is not shown here, contact Panasonic Technical Sup-
port.( � page 37)
Error Code/MessageSolution
0211 Keyboard errorz If an external keyboard or mouse is connected, disconnect these
devices.
0251 System CMOS checksum bad - An error has occurred in the memory that stores the Setup Utility settings.
Default configuration usedThis error occurs when the memory content is changed through some inad-
vertent operation by a program or other function.
z Run the Setup Utility and load the default values, then change the set-
tings to the appropriate values as needed.
z If the problem persists, the internal clock battery may need to be
replaced. Contact Panasonic Technical Support.
0271 Check date and time settings The date and time setting are incorrect.
z Run the Setup Utility and set the date and time correctly.
z If the problem persists, the internal clock battery may need to be
replaced. Contact Panasonic Technical Support.
0280 Previous boot incomplete - Default Startup has failed repeatedly, so the Setup Utility settings have been
configuration usedreturned to their default values, and the computer has been booted.
z Run the Setup Utility and load the default values, then change the set-
tings to the appropriate values as needed.
Press <F1> to resume, <F2> to Setupz Write down the error details and press F2 to run the Setup Utility. Con-
firm the settings, and change the settings to the appropriate values as
needed.
Operating System not foundThe OS is not properly installed on the floppy disk or the hard disk that you
are trying to boot from.
z If the computer cannot be booted from the floppy disk, check the floppy
disk drive to ensure that the disk is in fact bootable, and change it to
another if not.
z If the computer cannot be booted from the hard disk, confirm whether
the hard disk is properly recognized in [Information] menu of the Setup
Utility.
If the hard disk is recognized, perform the reinstallation procedure. If not,
contact Panasonic Technical Support.
z If a device is connected to the USB port, disconnect the device, or run
the Setup Utility and set [Legacy USB Support] to [Disable] in [Security]
Troubleshootingmenu of the Setup Utility.
? How to run the Setup Utility
1Restart the computer.
2Press F2 while [Panasonic] boot screen is displayed soon
after the computer begins the startup procedure.
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