Specifications

Chapter8.Symptom-to-FRUIndex

TheSymptom-to-FRUindexlistserrorsymptomsandpossiblecauses.Themostlikelycauseislistedﬁrst.

AlwaysbeginwithChapter4“GeneralCheckout”onpage33.Thisindexcanalsobeusedtohelpyou

decidewhichFRUstohaveavailablewhenservicingacomputer.Ifyouareunabletocorrecttheproblem

usingthisindex,goto“Undeterminedproblems”onpage71

Notes:

•Ifyouhavebothanerrormessageandanincorrectaudioresponse,diagnosetheerrormessageﬁrst.

•Ifyoucannotrunthediagnostictestsoryougetadiagnosticerrormessagewhenrunningatest,butdidreceivea

POSTerrormessage,diagnosethePOSTerrormessageﬁrst.

•Ifyoudidnotreceiveanyerrormessage,lookforadescriptionofyourerrorsymptomsintheﬁrstpartofthisindex.

Harddiskdrivebooterror

Aharddiskdrivebooterrorcanhavethefollowingcauses.

ErrorFRU/Action

Thestart-updriveisnotinthebootsequencein

conﬁguration.

Checktheconﬁgurationandensurethestart-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.