108 Chapter 4Power-On Self-Test (POST) Error MessageThe POST error message index lists the error message and their possible causes. The most likely cause islisted first.NOTE: Perform the FRU replacement or actions in the sequence shown in FRU/Action column, if the FRUreplacement does not solve the problem, put the original part back in the computer. Do not replace anon-defective FRU.This index can also help you determine the next possible FRU to be replaced when servicing a computer.If the symptom is not listed, see “Undetermined Problems” on page 122.The following lists the error messages that the BIOS displays on the screen and the error symptoms classifiedby function.NOTE: Most of the error messages occur during POST. Some of them display information about a hardwaredevice, e.g., the amount of memory installed. Others may indicate a problem with a device, such as theway it has been configured.NOTE: If the system fails after you make changes in the BIOS Setup Utility menus, reset the computer, enterSetup and install Setup defaults or correct the error.