POST Error Messages

POST Error Messages (Continued)

Screen Message

Probable Cause

Recommended Action

 

 

 

304-Keyboard or

Keyboard failure.

Reconnect the keyboard with computer

System Unit Error

 

turned off.

 

 

Ensure that none of the keys are

 

 

depressed.

 

 

Replace keyboard.

 

 

Replace system board.

 

 

 

404-Parallel Port

Both external and internal

Remove any parallel port expansion

Address Conflict

ports are assigned to

cards.

Detected

parallel port X.

Clear CMOS.

 

 

Reconfigure card resources and/or run

 

 

Computer Setup.

 

 

 

410-Audio Interrupt

IRQ address conflicts with

Enter Computer Setup and reset the IRQ

Conflict

another device.

in Advanced > Onboard Devices.

 

 

 

411-Network Interface

IRQ address conflicts with

Enter Computer Setup and reset the IRQ

Card Interrupt Conflict

another device.

in Advanced > Onboard Devices.

 

 

 

501-Display Adapter

Graphics display

Reseat the graphics card (if applicable).

Failure

controller.

Clear CMOS.

 

 

Verify that the monitor is attached and

 

 

turned on.

 

 

Replace the graphics card (if

 

 

applicable).

 

 

 

510-Splash Screen

Splash Screen image has

Reflash the system ROM with the latest

image corrupted

errors.

BIOS image

 

 

 

511-CPU, CPUA, or

Fan is not connected or

Reseat fan cable.

CPUB Fan not detected

may have malfunctioned.

Reseat the fan.

 

 

Replace the fan.

 

 

 

512-Chassis, rear

Fan is not connected,

Reseat chassis, rear chassis, or front

chassis, or front chassis

may have malfunctioned.

chassis fan cable.

fan not detected

 

Reseat chassis, rear chassis, or front

 

 

chassis fan.

 

 

Replace chassis, rear chassis, or front

 

 

chassis fan.

 

 

 

514-CPU or Chassis

CPU or chassis fan is not

Reseat CPU or chassis fan.

Fan not detected.

connected or may have

Reseat fan cable.

 

malfunctioned.

Replace CPU or chassis fan.

 

 

 

 

 

601-Diskette Controller

Diskette controller

Run Computer Setup (F10 Setup).

Error

circuitry or floppy drive

Check and/or replace cables.

 

circuitry incorrect.

Clear CMOS.

 

 

 

 

Replace diskette drive.

 

 

Replace the system board.

 

 

 

C–4

390742-002

Service Reference Guide, dc7600