47
Troubleshooting
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 your technical support
office.
Error Code/Message Action
0211: Keyboard error zIf an external keyboard is connected , disconnect these devices.
0251: System CMOS checksum
bad - Default configuration used An error has occurred in the mem ory that stores the Setup Utility settings. This
error occurs when the memory content is changed throug h some inadvertent
operation by a program or other function.
zRun the Setup Utility and load the default values, then change the settings to
the appropriate values as needed. (Îpage 31)
zIf the problem persists, the internal clock battery may need to be replaced.
Contact your technical support office.
0271: Check date and time set-
tings The date and time setting are incorrect.
zSet the date and time correctly in the [Main] menu of the Setup Utili ty.
(Îpage 33)
zIf the problem persists, the internal clock battery may need to be replaced.
Contact your technical support office.
0280: Previous boot incomplete -
Default configuration used Startup has failed repeatedly, so the Setup Utility settings have been returned to
their default values, and the computer has been booted.
zRun the Setup Utility and load the default values, then change the settings to
the appropriate values as needed. (Îpage 31)
Press <F2> to Setup zWrite down the error details and press the
F2
key to run the Setup Utility. Con-
firm the settings, and change the settings to the appropr iate values as
needed. (Îpage 31)
Operating System not found The OS is not properly installed on the floppy disk or the hard d isk that you are
trying to boot from.
zIf 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.
zIf the computer cannot be booted from the hard disk, confir m whether the hard
disk is properly recognized in the [Information] menu of the S etup Utility.
(Îpage 33)
• If the hard disk is recognized (“xx GB” is dis played), perform the reinstal-
lation procedure.
• If the hard disk is not recognized (“none ” is displayed), contact your
technical support office.
zIf a device is connected to the USB port, disconnect the device, or run the
Setup Utility and set [Legacy USB Support] in the [Advanced] menu to [Dis-
able]. (Îpage 34)
Extended RAM Module Failed zIf the RAM module has not been inserted proper ly, or if a RAM module other
than one matching the specifications has been inserted, a beep will sou nd and
the message “Extended RAM Module Failed” will be displayed when turning
the power on. In this case, turn the power off, confirm that the RAM module
meets the specifications, and reinsert it.