Chapter7.Symptom-to-FRUindex
TheSymptom-to-FRUindexlistserrorsymptomsandpossiblecauses.Themostlikelycauseislistedrst.
AlwaysbeginwithChapter4“Generalcheckout”onpage33.Thisindexcanalsobeusedtohelpyoudecide
whichFRUstohaveavailablewhenservicingacomputer.Ifyouareunabletocorrecttheproblemusingthis
index,goto“Undeterminedproblems”onpage65.
Notes:
1.Ifyouhavebothanerrormessageandanincorrectaudioresponse,diagnosetheerrormessagerst.
2.Ifyoucannotrunthediagnostictestsoryougetadiagnosticerrorcodewhenrunningatest,butdidreceivea
POSTerrormessage,diagnosethePOSTerrormessagerst.
3.Ifyoudidnotreceiveanyerrormessage,lookforadescriptionofyourerrorsymptomsintherstpartofthisindex.

Harddiskdrivebooterror

Aharddiskdrivebooterrorcanhavethefollowingcauses.
ErrorFRU/Action
Thestart-updriveisnotinthebootsequencein
conguration.
Checkthecongurationandensurethestart-updriveis
inthebootsequence.
Nooperatingsysteminstalledonthebootdrive.Installanoperatingsystemonthebootdrive.
Thebootsectoronthestart-updriveiscorrupted.Thedrivemustbeformatted,dothefollowing:
1.Attempttoback-upthedataonthefailingharddisk
drive.
2.Usingtheoperatingsystemsprograms,formatthe
harddiskdrive.
Thedriveisdefective.Replacetheharddiskdrive.

Powersupplyproblems

Ifyoususpectapowerproblem,usethefollowingprocedures.
Check/VerifyFRU/Action
Checkthefollowingforproperinstallation.
•PowerCord
•On/OffSwitchconnector
•On/OffSwitchPowerSupplyconnector
•SystemBoardPowerSupplyconnectors
•Microprocessor(s)connection
Reseatconnectors
Checkthepowercordforcontinuity.PowerCord
Checkthepower-onswitchforcontinuity.Power-onSwitch

Diagnosticerrorcodes

Refertothefollowingdiagnosticerrorcodeswhenusingthediagnostictests.See“Runningtests”onpage
37forthespecictypeforinformationabouttheDiagnosticprograms.
©CopyrightLenovo2009,201143