9 POST Error Messages

This appendix lists the error messages and the various audible sequences that you may encounter during Power-On Self-Test (POST) or computer restart, the probable source of the problem, and steps you can take to resolve the error condition.

POST Text Messages

The section includes some text messages that may be encountered during POST.

NOTE: The computer will beep once after a POST text message is displayed on the screen. Recommended actions in the following table are listed in the order in which they should be performed.

WARNING! When the computer is plugged into an AC power source, voltage is always applied to the system board. To reduce the risk of personal injury from electrical shock and/or hot surfaces, be sure to disconnect the power cord from the wall outlet and allow the internal system components to cool before touching.

Table 10-1Numeric Codes and Text Messages

Control panel message

Description

Recommended action

 

 

 

Default BIOS settings have been loaded due

BIOS has been updated or returned to

Press F10 to enter Computer Setup and

to BIOS update or checksum issue. Press

default settings.

configure the system or ignore the

 

 

 

<F10> to enter Setup. Otherwise, allow the

 

message and accept the default

PC to continue.

 

settings.

 

 

 

 

ERROR: CPU Fan Has Failed. PC will

CPU fan is not connected or may have

1.

Reseat the CPU fan.

automatically power down in a few seconds.

malfunctioned.

2.

Reseat the fan cable.

Service PC immediately to prevent damage

 

3.

Replace the CPU fan.

to CPU.

 

 

 

 

 

 

 

ERROR: System Fan Has Failed. Service PC

System fan is not connected or may have

1.

Reseat the system fan.

to prevent damage to the system. Press F2 to

malfunctioned.

2.

Reseat the fan cable.

continue.

 

3.

Replace the system fan.

 

 

 

 

 

 

ERROR: Unsupported CPU installed. PC will

Recently installed CPU is not supported by

Install a CPU supported by your system.

automatically power down in a few seconds.

the system.

 

 

 

 

 

 

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