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

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.

 

 

 

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.

 

 

 

912-Computer Cover Has Been Removed

Computer cover was removed since last

No action required.

Since Last System Startup

system startup.

 

 

 

 

 

917-Front Audio Not Connected

Front audio harness has been detached or

Reconnect or replace front audio harness.

 

unseated from motherboard.

 

 

 

 

 

921-Device in PCI Express slot failed to

There is an incompatibility/problem with this

Try rebooting the system. If the error

initialize

device and the system or PCI Express Link

reoccurs, the device may not work with this

 

could not be retrained to an x1.

system

 

 

 

 

POST Numeric Codes and Text Messages 101