Table A-1Numeric Codes and Text Messages (continued)

Control panel message

Description

Recommended action

 

 

 

 

 

 

3.

Ensure that none of the keys are

 

 

 

depressed.

 

 

4.

Replace keyboard.

 

 

 

 

303-Keyboard Controller Error

I/O board keyboard controller.

1.

Reconnect keyboard with computer

 

 

 

turned off.

 

 

2.

Replace the system board.

 

 

 

 

304-Keyboard or System Unit Error

Keyboard failure.

1.

Reconnect the keyboard with computer

 

 

 

turned off.

 

 

2.

Ensure that none of the keys are

 

 

 

depressed.

 

 

3.

Replace the keyboard.

 

 

4.

Replace the system board.

 

 

 

 

501-Display Adapter Failure

Graphics display controller.

1.

Reseat the graphics card (if applicable).

 

 

2.

Clear CMOS. (See Appendix B,

 

 

 

Password Security and Resetting

 

 

 

CMOS on page 55.)

 

 

3.

Verify monitor is attached and turned

 

 

 

on.

 

 

4.

Replace the graphics card (if possible).

 

 

 

510-Flash Screen Image Corrupted

Flash Screen image has errors.

Reflash the system ROM with the latest BIOS

 

 

image.

 

 

 

 

511-CPU Fan not detected

CPU fan is not connected or may have

1.

Reseat CPU fan.

 

malfunctioned.

2.

Reseat fan cable.

 

 

 

 

3.

Replace CPU fan.

 

 

 

 

512-Rear Chassis Fan not detected

Rear chassis fan is not connected or may

1.

Reseat rear chassis fan.

 

have malfunctioned.

2.

Reseat fan cable.

 

 

 

 

3.

Replace rear chassis fan.

 

 

 

 

513-Front Chassis Fan not detected

Front chassis fan is not connected or may

1.

Reseat front chassis fan.

 

have malfunctioned.

2.

Reseat fan cable.

 

 

 

 

3.

Replace front chassis fan.

 

 

 

 

515-Power Supply Fan not detected

Power supply fan is not connected or may

1.

Reseat power supply fan.

 

have malfunctioned.

2.

Reseat fan cable.

 

 

 

 

3.

Replace power supply fan.

 

 

 

 

605-Diskette Drive Type Error

Mismatch in drive type.

1.

Disconnect any other diskette controller

 

 

 

devices (tape drives).

 

 

2.

Clear CMOS. (See Appendix B,

 

 

 

Password Security and Resetting

 

 

 

CMOS on page 55.)

 

 

 

 

48 Appendix A POST Error Messages

ENWW