POST Error Messages

 

POST Error Messages

 

 

 

 

 

 

 

Screen Message

Probable Cause

Recommended Action

 

 

 

 

 

Non-System Disk or

BIOS unable to find a

Verify that the device booting from is

 

Disk Error

suitable boot device.

bootable. Replace as needed.

 

 

 

 

 

Warning: CPU Fan Has

CPU fan weak or not

Ensure that the computer air vents are

 

Failed. For Thermal

active.

not blocked and the chassis cooling fan

 

Protection, System will

 

is running.

 

be shut down. A 3

 

Open hood, press power button, and

 

second long beep will

 

see if the chassis fan spins. If the fan is

 

be heard before the

 

not spinning, make sure the fan's cable

 

system will shut down.

 

is plugged onto the system board

 

 

 

header. Ensure the fan is fully/properly

 

 

 

installed.

 

 

 

If fan is plugged in but is not spinning

 

 

 

then, replace chassis fan.

 

 

 

Replace the chassis fan.

 

 

 

 

 

Warning: Processor Fan

Processor fan weak or not

Ensure that the computer air vents are

 

Has Failed. For Thermal

active.

not blocked and the processor cooling

 

Protection, System will

 

fan is running.

 

be shut down. A 3

 

Open hood, press power button, and

 

second long beep will

 

see if the processor fan spins. If the

 

be heard before the

 

processor fan is not spinning, make sure

 

system will shut down.

 

the fan's cable is plugged onto the

 

 

 

system board header. Ensure the fan is

 

 

 

fully/properly seated or installed.

 

 

 

If fan is plugged in and seated properly,

 

 

 

but is not spinning, then replace

 

 

 

processor fan/heatsink assembly.

 

 

 

Contact an authorized reseller or service

 

 

 

provider.

 

 

 

 

POST Diagnostic Front Panel LEDs and Audible Codes

This section covers the front panel LED codes as well as the audible codes that may occur before or during POST that do not necessarily have an error code or text message associated with them.

If you see flashing LEDs on a PS/2 keyboard, look for flashing LEDs on the front panel of the computer and refer to the following table to determine the front panel LED codes.

Recommended actions in the following table are listed in the order in which they should be performed.

Service Reference Guide, dx2200 MT

415606-001

C–5