Compaq W4000 Manual De Usuario

Technical Reference Guide 

 

 
 

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. 

 
 
 

 

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.

 

 
 
 

 

A-1