Acer Extensa 4120 Service Manual

Also see for Extensa 4120: User guide

Contents

Acer Extensa 4120 Service Manual Manual pdf 79 page image

Chapter 4 69POST Error IndicatorsWhen POST detects a system failure, it either displays a POST error message, or emits a series of beepcodes.POST Error MessageWhenever a non-fatal error occurs during POST, an error message describing the problem appears onscreen.These text messages are displayed in normal video (white text on black background). It shows the details ofthe error.The POST error message index in this section lists the error messages and their possible causes. The mostlikely cause is listed first. The listed error symptoms classified by function.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 81.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 asthe way it has been configured.IMPORTANT: If the system fails after you make changes in the Setup Utility menus, reboot the computer,enter Setup, then press F9 to load the Setup defaults to correct the error.Error Code ListError Code Error Message006 Equipment Configuration ErrorCauses:1. CPU BIOS Update Code Mismatch2. IDE Primary Channel Master Drive Error(The causes will be shown before the EquipmentConfiguration Error message)010 Memory Error at xxxx:xxxx:xxxxh (R:xxxxh, W:xxxxh)070 Real Time Clock Error071 CMOS Battery Bad072 CMOS Checksum Error110 System disabled.Incorrect password is specified. Battery Critical LowIn this situation BIOS will issue four short beeps, then shutdown the system, no message will show. Thermal Critical HighIn this situation BIOS will shut down the system, nomessage will show.