Computer Hardware User Manual

POSTerrormessageDescription/Action
CMOSbatteryfailedTheCMOSbatteryisnolongerfunctional.
Replacethebattery.
CMOSchecksumerror-defaultsloadedChecksumofCMOSisincorrect.
Thecomputerloadsthedefaultcongurationsettings.
ThiserrormightindicatethatCMOShasbecomecorrupt
duetoaweakCMOSbattery.
CPUatnnnn
nnnnistherunningspeedofthemicroprocessor.
PressEsctoskipmemorytest
PressingEscskipsthefullmemorytest.
HARDDISKINSTALLFAILURECannotndorinitializetheharddiskdrivecontrolleror
thedrive.
Makesuretheharddiskdriveiscorrectlyinstalled.
Ifnoharddiskdrivesareinstalled,makesurethehard
diskdriveselectioninsetupissettoNONE.
Keyboarderrorornokeyboardpresent
Cannotinitializethekeyboard.
Makesurethekeyboardiscorrectlyconnectedtothe
computerandthatnokeysareheldpressedduringPOST.
Topurposelycongurethecomputerwithoutakeyboard,
settheerrorhaltconditioninSetuptoHALTONALL,BUT
KEYBOARD.TheBIOSthenignoresthemissingkeyboard
duringPOST.
Memorytest:
Thismessagedisplaysduringafullmemorytest,counting
downthememoryareasbeingtested.
Memorytestfail
IfPOSTdetectsanerrorduringmemorytesting,additional
informationappears.Thisinformationgivesspecics
aboutthetypeandlocationofthememoryerror.
PressTABtoshowPOSTscreen
PressingtheTABkeypermitstheusertotogglebetween
thedefaultPOSTdisplayscreenandacustomPOST
displayscreen.
Error:Non-SystemdiskordiskerrorReplaceandpress
anykeywhenready
TheBIOSwasunabletondasuitablebootdevice.
Makesurethebootdriveiscorrectlyconnectedtothe
computer.
Makesureyouhavebootablemedia.
Miscellaneouserrormessages
Thefollowingtabledescribesmiscellaneouserrormessages.
Message/SymptomFRU/Action
ChangingdisplaycolorsDisplay/Monitor
Computerwillnotpower-off.See“Powerproblems”on
page33
.
1.Powerswitch
2.Systemboard
3.Risercard,ifinstalled
62HardwareMaintenanceManual