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.
Makesurethekeyboardisproperlyconnectedtothe
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.
Makesurethebootdriveisproperlyconnectedtothe
computer.
Makesureyouhavebootablemedia.
Miscellaneouserrormessages
Message/SymptomFRU/Action
ChangingdisplaycolorsDisplay/Monitor
Computerwillnotturnoff.See“Harddiskdriveboot
error”onpage49.
1.Powerswitch
2.Systemboard
3.Risercard,ifinstalled.
Chapter8.Symptom-to-FRUIndex51