Specifications

POSTErrorMessageDescription/Action
CMOSbatteryfailedTheCMOSbatteryisnolongerfunctional.
Replacethebattery.
CMOSchecksumerror-defaultsloadedChecksumofCMOSisincorrect.
Thecomputerloadsthedefaultconfigurationsettings.
ThiserrormightindicatethatCMOShasbecomecorrupt
duetoaweakCMOSbattery.
CPUatnnnn
nnnnistherunningspeedofthemicroprocessor.
PressEsctoskipmemorytest
PressingEscskipsthefullmemorytest
HARDDISKINSTALLFAILURECannotfindorinitializetheharddiskdrivecontrolleror
thedrive.
Makesuretheharddiskdriveiscorrectlyinstalled.
Ifnoharddiskdrivesareinstalled,makesurethehard
diskdriveselectioninSetupissettoNONE.
Keyboarderrorornokeyboardpresent
Cannotinitializethekeyboard.
Makesurethekeyboardisproperlyconnectedtothe
computerandthatnokeysareheldpressedduringPOST.
Topurposelyconfigurethecomputerwithoutakeyboard,
settheerrorhaltconditioninSetuptoHALTONALL,BUT
KEYBOARD.TheBIOSthenignoresthemissingkeyboard
duringPOST.
MemoryTest:
Thismessagedisplaysduringafullmemorytest,counting
downthememoryareasbeingtested.
Memorytestfail
IfPOSTdetectsanerrorduringmemorytesting,additional
informationappears.Thisinformationgivesspecifics
aboutthetypeandlocationofthememoryerror.
PressTABtoshowPOSTscreen
PressingtheTABkeypermitstheusertotogglebetween
thedefaultPOSTdisplayscreenandacustomPOST
displayscreen.
Error:Non-SystemdiskordiskerrorReplaceandpress
anykeywhenready
TheBIOSwasunabletofindasuitablebootdevice.
Makesurethebootdriveisproperlyconnectedtothe
computer.
Makesureyouhavebootablemedia.
Miscellaneouserrormessages
Message/SymptomFRU/Action
ChangingdisplaycolorsDisplay/Monitor
Computerwillnotturnoff.See“PowerSupplyProblems”
onpage67
.
1.Powerbutton
2.Systemboard
3.Risercard,ifinstalled.
Chapter8.Symptom-to-FRUIndex69