appendix B

POST ERROR MESSAGES - NUMBERED

Some Compaq computers have a complete series of POST error messages with code numbers assigned to them. Use the information below for those computers.

An error message results if the Power-On Self-Test (POST) encounters a problem. This test runs when the system is turned on, checking assemblies within the computer and reporting any errors found.

Screen Message

Beeps*

Probable Cause

Recommended Action

101-Option ROM Error

1L, 1S

System ROM checksum.

1.

Verify the correct ROM.

 

 

 

2.

Flash the ROM if needed.

 

 

 

3.

If an expansion card was

 

 

 

 

recently added, remove it and

 

 

 

 

see if the problem remains.

 

 

 

4.

Clear CMOS.

 

 

 

5.

If the message disappears,

 

 

 

 

there may be a problem with

 

 

 

 

the expansion card.

 

 

 

6.

Replace the system board.

102-System Board

None

DMA, timers, etc.

1.

Clear CMOS.

Failure

 

 

2.

Remove expansion boards.

 

 

 

 

 

 

3.

Replace the system board.

103-System Board Failure

None

DMA, timers, etc.

150-SafePost Active

None

A PCI expansion card is not

 

 

responing.

162-System Options 2S Configuration incorrect.

Not Set

RTC (real-time clock)

 

 

battery may need to be

 

replaced. Battery life is

 

approximately 3 years.

* L = Long, S = Short

 

1.Clear CMOS.

2.Remove expansion boards.

3.Replace the system board.

1.Restart the computer.

2.Disable SafePost.

3.If the expansion card does not respond, replace the card.

Run Computer Setup (F10 Setup)

Reset the date and time under Control Panel. If the problem persists, replace the RTC battery.

continued

Quick Troubleshooting Guide

B-1