22
Get
ting St
arted
U
seful In
formati
on
Troubleshooting
Appendix
Error Code/Message
Follow 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 (
page 36).
To start the Setup Utility
A
Restart the computer.
B
Press
F2
several times while [Panasonic] boot screen is displayed.
Error Code/Message
Solution
0211 Keyboard error
Disconnect external keyboard or mouse.
0251 System CMOS
checksum bad -
Default configuration
used
An error has occurred in the memory of Setup Utility settings. This occurs when the memory
content is changed by an unexpected program operation, etc.
Start the Setup Utility and return the settings to the default values, and then change the
settings as necessary.
If the problem persists, the internal clock battery may need to be replaced. Contact
Panasonic Technical Support (
page 36).
0271 Check date and
time settings
The date and time settings are not correct.
Start the Setup Utility and set the correct date and time.
If the problem persists, the internal clock battery may need to be replaced. Contact
Panasonic Technical Support (
page 36).
0280 Previous boot
incomplete - Default
configuration used
Startup has failed repeatedly, so the Setup Utility settings have been returned to the default
values to startup the computer.
Start the Setup Utility and return the settings to the default values, and then change the
settings as necessary.
Press <F2> to Setup
Write down the error details and press
F2
to start the Setup Utility. Change the settings if
necessary.
Operating System not
found
The operating system is not installed in the floppy disk or the hard disk that you are going to
boot from.
If using a floppy disk, change the disk to the one you can use for boot.
If using the hard disk, check if the hard disk is recognized in [Information] menu of the
Setup Utility. If the hard disk is recognized, perform the reinstallation (
page 20). If not,
contact Panasonic Technical Support (
page 36).
If a device is connected to the USB port, disconnect the device, or set [USB Port] or
[Legacy USB Support] to [Disable] in the [Advanced] menu of the Setup Utility.
If a device is connected to the ExpressCard slot, disconnect the device, or set [Express-
Card slot] to [Disable] in the [Advanced] menu of the Setup Utility.
Extended RAM
Module Failed
When the extended RAM module is not inserted correctly or the extended RAM module is
not conforming to the computer’s specifications, so a beep will sound and the “Extended
RAM Module Failed” message will be displayed when you turn the power on.
Press the power switch for four seconds or longer to turn off the computer, confirm that
the extended RAM module conforms to the specifications, and reinsert it.
Summary of Contents for Toughbook CF-74JDMBD2M
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