Laptop User Manual
A
Self Test Error Messages
A.1
 Introduction
This appendix contains reference data useful in diagnosing and correcting
self test errors.
Table A-1 Self Test Error Messages
Error Message  Corrective Action
CMOS Battery Bad Replace Main Board
CMOS Checksum Error Cycle power to Notebook; if
problem persists, remove and re-
place Main Board.
Disk Boot Failure Insert a system disk in drive A
Diskette Drive Controller Error or No
Controller Present
Cycle power to Notebook; if
problem persists
Diskette Drive Error Insert Diskette and retry; if
problem persists, try another 
diskette
Diskette Drive Type Mismatch Press 
Ctrl-Alt-Esc
 to reconfigure
the system.
Equipment Configuration Error Press 
Ctrl-Alt-Esc
 to reconfigure
the system.
Hard Disk 0 Error Cycle power to Notebook; if
problem persists, replace Hard
Drive
Hard Disk 0 Extended Type Error Cycle power to Notebook; if
problem persists, replace Hard
Drive
Insert system diskette and press key 
to reboot
Insert a system disk in drive A
I/O Parity Error Cycle power to Notebook; if
problem persists, replace Main
Board
Keyboard Error or No Keyboard 
Connected
Cycle power to Notebook; if
problem persists, check keyboard
connections; if problem persists,
replace Keyboard; if problem 
persists, replace Main Board.
Error Messages 
A-1










