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

 

 

 

2 beeps

Blinks red 2 times @ 1 Hz

Processor thermal shut down. Check air flow, fan operation,

 

 

and CPU heatsink

 

 

 

3 beeps

Blinks red 3 times @ 1 Hz

Processor not installed. Install or reseat CPU.

 

 

 

4 beeps

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.

 

 

 

10 beeps

Blinks red 10 times @ 1 Hz

Bad option card.

 

 

 

11 beeps

Blinks red 11 times @ 1 Hz

Previously enabled feature not supported by processor

NOTE: Audible indications occur only for the first five cycles of the error indication. Visual indications occur indefinitely until power is removed or until error is corrected.

Technical Reference Guide

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