22Getting StartedUseful InformationTroubleshootingAppendixError Code/MessageFollow the instructions below when an error message or code appears. If the problem persists or if the error code/mes-sage is not shown here, contact Panasonic Technical Support (Î page 30). To start the Setup UtilityA Restart the computer.B Press F2 several times while [Panasonic] boot screen is displayed.Error Code/Message Solution0211 Keyboard error z Disconnect external keyboard or mouse.0251 System CMOSchecksum bad -Default configurationusedAn error has occurred in the memory of Setup Utility settings. This occurs when the memorycontent is changed by an unexpected program operation, etc.z Start the Setup Utility and return the settings to the default values, and then change thesettings as necessary.z If the problem persists, the internal clock battery may need to be replaced. ContactPanasonic Technical Support (Î page 30).0271 Check date andtime settingsThe date and time settings are not correct.z Start the Setup Utility and set the correct date and time.z If the problem persists, the internal clock battery may need to be replaced. ContactPanasonic Technical Support (Î page 30).0280 Previous bootincomplete - Defaultconfiguration usedStartup has failed repeatedly, so the Setup Utility settings have been returned to the defaultvalues to startup the computer.z Start the Setup Utility and return the settings to the default values, and then change thesettings as necessary.Press to Setup z Write down the error details and press F2 to start the Setup Utility. Change the settings ifnecessary.Operating System notfoundThe operating system is not installed in the floppy disk or the hard disk that you are going toboot from.z If using a floppy disk, change the disk to the one you can use for boot.z If using the hard disk, check if the hard disk is recognized in [Information] menu of theSetup Utility. If the hard disk is recognized, perform the reinstallation (Î page 20). If not,contact Panasonic Technical Support (Î page 30).z If a device is connected to the ExpressCard slot or the USB port, disconnect the device,or set [ExpressCard Slot], [USB Port] or [Legacy USB Support] to [Disable] in the[Advanced] menu of the Setup Utility.Extended RAMModule FailedWhen the extended RAM module is not inserted correctly or the extended RAM module isnot conforming to the computer’s specifications, so a beep will sound and the “ExtendedRAM Module Failed” message will be displayed when you turn the power on.z Press the power button for four seconds or longer to turn off the computer, confirm thatthe extended RAM module conforms to the specifications, and reinsert it.