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.

✎Errors listed in this appendix are applicable only for systems running HP/Compaq BIOS.

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

A.2 Beep/Power LED Codes

✎Beep and Power LED indictions listed in Table A-1 apply only to HP-branded models.

Table A-1.Beep/Power LED Codes

Beeps

Power LED

Probable Cause

 

 

 

None

Blinks red 2 times @ 1 Hz

Processor thermal shut down. Check air flow, fan

 

 

operation, and CPU heat sink

 

 

 

None

Blinks red 3 times @ 1 Hz

Processor not installed. Install or reseat CPU.

 

 

 

None

Blinks red 4 times @ 1 Hz

Power failure (power supply is overloaded). Check

 

 

storage devices, expansion cards and/or system

 

 

board (CPU power connector P3).

 

 

 

5 beeps

Blinks red 5 times @ 1 Hz

Pre-video memory error. Incompatible or incorrectly

 

 

seated DIMM.

 

 

 

6 beeps

Blinks red 6 times @ 1 Hz

Pre-video graphics error. On system with integrated

 

 

graphics, check/replace system board. On system with

 

 

graphics card, check/replace graphics card.

 

 

 

7 beeps

Blinks red 7 times @ 1 Hz

PCA failure. Check/replace system board.

 

 

 

8 beeps

Blinks red 8 times @ 1 Hz

Invalid ROM (checksum error). Reflash ROM using CD

 

 

or replace system board.

 

 

 

9 beeps

Blinks red 9 times @ 1 Hz

System powers on but fails to boot. Check power

 

 

supply, CPU, system board.

 

 

 

None

Blinks red 10 times @ 1 Hz

Bad option card.

 

 

 

 

Technical Reference Guide

www.hp.com

A-1