Lenovo ThinkStation E31 - Chapter 8. Symptom-To-FRU Index; Hard Disk Drive Boot Error; Power Supply Problems; Beep Symptoms

Chapter8.Symptom-to-FRUIndex
TheSymptom-to-FRUindexlistserrorsymptomsandpossiblecauses.Themostlikelycauseislistedrst.
AlwaysbeginwithChapter4“GeneralCheckout”onpage33.Thisindexcanalsobeusedtohelpyou
decidewhichFRUstohaveavailablewhenservicingacomputer.Ifyouareunabletocorrecttheproblem
usingthisindex,goto“Undeterminedproblems”onpage67.
Notes:
•Ifyouhavebothanerrormessageandanincorrectaudioresponse,diagnosetheerrormessagerst.
•Ifyoucannotrunthediagnostictestsoryougetadiagnosticerrorcodewhenrunningatest,butdidreceivea
POSTerrormessage,diagnosethePOSTerrormessagerst.
•Ifyoudidnotreceiveanyerrormessage,lookforadescriptionofyourerrorsymptomsintherstpartofthisindex.
Harddiskdrivebooterror
Aharddiskdrivebooterrorcanhavethefollowingcauses.
ErrorFRU/Action
Thestart-updriveisnotinthebootsequencein
conguration.
Checkthecongurationandensurethestart-updriveis
inthebootsequence.
Nooperatingsysteminstalledonthebootdrive.Installanoperatingsystemonthebootdrive.
Thebootsectoronthestart-updriveiscorrupted.
Thedrivemustbeformatted.Dothefollowing:
1.Attempttobackupthedataonthefailingharddisk
drive.
2.Usingtheoperatingsystemprograms,formatthe
harddiskdrive.
Thedriveisdefective.
Replacetheharddiskdrive.
PowerSupplyProblems
Ifyoususpectapowerproblem,usethefollowingprocedures.
Check/VerifyFRU/Action
Checkthefollowingforproperinstallation.
•Powercord
•On/Offswitchconnector
•On/Offswitchpowersupplyconnector
•Systemboardpowersupplyconnectors
•Microprocessor(s)connection
Reseatconnectors
Checkthepowercordforcontinuity.
Powercord
Checktheturnonswitchforcontinuity.
Turnonswitch
Beepsymptoms
Beepsymptomsaretonesoraseriesoftonesseparatedbypauses(intervalswithoutsound)duringPOST.
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