Panasonic Toughbook CF-18BCAGCMM Reference Manual page 122

List of Error Codes
Error Code/Message
Operating System not found
Extended RAM Module Failed
Action
The OS is not properly installed on the floppy disk or the
hard disk that you are trying to boot from.
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 use another bootable
disk if not.
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. (
106)
• If the hard disk is recognized, perform the
reinstallation procedure.
• If not, contact Panasonic Technical Support.
If a device is connected to the USB port, disconnect
the device, or run the Setup Utility and set [Legacy
USB Support] in [Advanced] menu to [Disable].
( page 108)
If the extended RAM module has not been inserted
properly, or if an extended RAM module other than
one matching the specifications has been inserted, a
beep will sound 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 extended RAM module meets the
specifications, and reinsert it.
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