POST Error Messages Continued

 

 

Screen Message

Beeps*

Probable Cause

1800-Temperature Alert

None

Internal temperature

 

 

exceeds specification.

1801

None

Processor not supported by

 

 

ROM Bios.

Audible

1L, 3S

System ROM is bad;

 

 

system is running in

 

 

Failsafe Boot Block mode.

Recommended Action

1.Check that computer air vents are not blocked and cooling fan is running.

2.Verify processor speed selection.

3.Replace the processor.

4.Replace the system board.

Upgrade Bios to proper version.

Reflash the ROM using a ROMPaq diskette. Refer to the “Failsafe Boot Block ROM” section of the Software Reference Guide.

Audible

2S

Power-on successful.

None

Flashing Caps Lock LED

1L. 2S

Graphics controller not

1.

Clear CMOS.

on Keyboard

 

present or incorrectly

2.

If graphics card has been

 

 

initialized.

 

 

 

added, remove and reseat.

 

 

 

 

Flashing Num Lock LED on

1S, 2L

System memory not

1.

Check memory module.

Keyboard

 

present

2. Remove and reseat memory

 

 

 

 

 

 

 

module.

 

 

 

3.

See “Memory Problems” in

 

 

 

 

Appendix F.

Num Lock LED on

None

Failed Boot Block.

Reflash the ROM using a ROMPaq

Keyboard

 

 

diskette.

Flashing Scroll Lock LED

2L, 1S

System board hardware

Replace system board.

on Keyboard

 

failure (prior to video)

 

 

Green Power LED Blinks

None

Computer in normal Suspend

None

Once per Second

 

mode.

 

 

Green Power LED ON

None

Computer on.

None

Invalid Electronic Serial

None

Electronic serial number has

Run Computer Setup (F10 Setup).

Number

 

become corrupted.

If Setup already has data in the field

 

 

 

or will not allow the serial number to

 

 

 

be entered, download and run

 

 

 

SP5572.EXE (SNZERO.EXE).

* L = Long, S = Short

 

 

 

continued

Deskpro Service Reference Guide

D-9