Chapter7.Symptom-to-FRUindex
TheSymptom-to-FRUindexlistserrorsymptomsandpossiblecauses.Themostlikelycauseislistedrst.
AlwaysbeginwiththeChapter4“Generalcheckout”onpage33.Y oucanusethisindextohelpyoudecide
whichFRUsareneededwhenservicingacomputer.Ifyouareunabletocorrecttheproblemusingthis
index,goto“Undeterminedproblems”onpage66.
Notes:
1.Ifyouhavebothanerrormessageandanincorrectaudioresponse,diagnosetheerrormessagerst.
2.Ifyoucannotrunthediagnostictestsoryougetadiagnosticerrorcodewhenrunningatest,butdidreceivea
POSTerrormessage,diagnosethePOSTerrormessagerst.
3.Ifyoudidnotreceiveanyerrormessage,lookforadescriptionofyourerrorsymptomsintherstpartofthisindex.
4.Forcomputermodelsthatdonothaveaninternalharddiskdriveandusearemoteharddiskdriveaccessed
throughtheSMC-StorageArray:
•Youmightreceivetheerrormessage“Nooperatingsystemfound.PressF1torepeatbootsequence.”Inthis
case,pressCtrl+Alt+DeleteinsteadofF1toestablishaconnectiontothestorageareanetworkwhereyour
operatingsystemisstored.Verifythattheusernameisnotloggedoninanotherlocation.
•IftheSMCloginpromptdisappearsbeforeyouloginandthenablackscreendisplays,contactthe
administrator.

Harddiskdrivebooterror

Aharddiskdrivebooterror(errorcodes1962andI999030X)canhavethefollowingcauses.
Note:Forcomputermodelsthatdonothaveaninternalharddiskdriveandusearemoteharddiskdrive
accessedthroughtheSMC-StorageArray,contactthenetworkorstorageadministrator.
ErrorFRU/Action
Thestart-updriveisnotinthebootsequencein
conguration.
Checkthecongurationandensurethestart-updriveis
inthebootsequence.
Nooperatingsysteminstalledonthebootdrive.Installanoperatingsystemonthebootdrive.
Thebootsectoronthestart-updriveiscorrupted.Thedrivemustbeformatted.Dothefollowing:
1.Attempttoback-upthedataonthefailingharddisk
drive.
2.Usingtheoperatingsystemprograms,formatthe
harddiskdrive.
Thedriveisdefective.Replacetheharddiskdrive.

Diagnosticerrorcodes

Refertothefollowingdiagnosticerrorcodeswhenusingthediagnostictests.See“Runningtests”onpage
38forthespecictypeforinformationaboutthediagnosticprograms.
Inthefollowingindex,Xcanrepresentanynumber.
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