NEC VERSA S, Service Manual, Page: 73 / 100

Troubleshooting and Repair 5-7
If either condition exists, press
Ctrl-Alt-S
and run the SCU. Check the last settings to see if
they are still active or select Defaults to resolve configuration problems quickly. If the
problem persists, see Table Section 5-2 for further assistance.
Other error messages are provided in Table Section 5-3. Look up the message in the fol-
lowing table and perform the corrective action. Follow the instructions.
Table Section 5-3 Error Messages
Message Corrective Action
Diskette drive failure The diskette drive does not work or is not properly connected.
Check that the drive is securely connected and power is on.
Press Ctrl-Alt-S to check the diskette drive parameters.
If the problem persists, replace the diskette drive.
Diskette read failure Remove the diskette from drive A and try another diskette. If
the problem persists, replace the diskette drive.
No boot device available Go into the SCU and check the hard disk type defined. Correct
the setting.
Invalid configuration
information — run SCU Start the SCU, check the system parameters set, and correct
them. Exit and save the parameters set.
Connect the AC adapter to charge the internal backup battery.
Restart the SCU and set the correct parameters.
Real time clock failure Set the time and date using the SCU. Exit and save to update
the parameters.
Connect the AC adapter to charge the internal backup battery.
Time-of-day not set Run SCU and set the time and date. Exit SCU and save to
update the time and date.
Fixed disk configuration error. Start the SCU. Make no changes. Exit and save to update the
parameters. If a problem still exists, replace the hard disk.
Fixed disk failure Start the SCU. Make no changes. Exit and save. If a problem
still exists, replace the hard disk.
Fixed disk controller failure Start the SCU. Exit and save to update the parameters.
If problems continue, replace the system board.
Keyboard clock line failure Replace the keyboard.
Keyboard data line failure Replace the keyboard.
Keyboard controller failure Replace the keyboard.
Keyboard stuck key failure A key is jammed. Remove any obstructions. If the error
message remains, clean or replace the keyboard.