Control panel message

Description

Recommended action

 

 

 

 

301-Keyboard Error

Keyboard failure.

1.

Reconnect keyboard with computer

 

 

 

turned off.

 

 

2.

Check connector for bent or missing

 

 

 

pins.

 

 

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 249.)

 

 

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, CPUA, or CPUB 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-Chassis, Rear Chassis, or Front Chassis Fan not Detected

Chassis, rear chassis, or front chassis fan is not connected or may have malfunctioned.

1.Reseat chassis, rear chassis, or front chassis fan.

2.Reseat fan cable.

3.Replace chassis, rear chassis, or front 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.

 

 

 

 

POST numeric codes and text messages 239