Compaq 850 Error Messages and Codes, BEEP/KEYBOARD LED Codes, Table A-1, Beep/Keyboard LED Codes

Technical Reference Guide

Appendix A

ERROR MESSAGES AND CODES

A.Appendix A ERROR MESSAGES AND CODES

A.1 INTRODUCTION

This appendix lists the error codes and a brief description of the probable cause of the error.

NOTE: Errors listed in this appendix are applicable only for systems running Compaq BIOS.

NOTE: Not all errors listed in this appendix may be applicable to a particular system model and/or configuration.

A.2 BEEP/KEYBOARD LED CODES

Table A–1.Beep/Keyboard LED Codes

Table A-1.

Beep/Keyboard LED Codes

Beeps	LED [1]	Probable Cause
1 short, 2 long	NUM lock blinking	Base memory failure.
1 long, 2 short	CAP lock blinking	Video/graphics controller failure.
2 long, 1 short	Scroll lock blinking	System failure (prior to video initialization).
1 long, 3 short	(None)	Boot block executing
None	All three blink in sequence	Keyboard locked in network mode.
None	NUM lock steady on	ROMPAQ diskette not present, bad, or drive not
		ready.
None	CAP lock steady on	Password prompt.
None	All three blink together	ROM flash failed.
None	All three steady on	Successful ROM flash.
NOTE:

[1] PS/2 keyboard only.

Compaq Personal Computers A-1

Changed – November 2000