Chapter4.Generalcheckout
Attention
Thedrivesinthecomputeryouareservicingmighthavebeenrearrangedorthedrivestartupsequence
changed.Beextr emelycarefulduringwriteoperationssuchascopying,saving,orformatting.Dataor
programscanbeoverwrittenifyouselectanincorrectdrive.
Generalerrormessagesappearifapr oblemorconictisfoundbyanapplicationprogram,theoperating
system,orboth.Fortheexplanationofthesemessages,refertotheinformationsuppliedwiththatsoftware
package.
BeforereplacinganyFRUs,ensurethatthelatestlevelofBIOSisinstalledonthesystem.Adown-levelBIOS
mightcausefalseerrorsandunnecessaryreplacementofthesystemboard.Formoreinformationonhowto
determineandobtainthelatestlevelBIOS,see“BIOSlevels”onpage179.
Notes:Forcomputermodelsthatdonothaveaninternalharddiskdriveandusearemoteharddiskdrive
accessedthroughtheSecureManagedClient-StorageArray(SMC-StorageArray):
•Youmightreceivetheerrormessage“Nooperatingsystemfound.Pr essF1torepeatbootsequence.”In
thiscase,pressCtrl+Alt+DeleteinsteadofF1toestablishaconnectiontothestorageareanetworkwhere
youroperatingsystemisstored.Verifythattheusernameisnotloggedoninanotherlocation.
•IftheSMCloginpromptdisappearsbeforeyouloginandthenablackscreendisplays,contactyour
administrator.
Usethefollowingproceduretohelpdeterminethecauseofaproblem:
1.T urnoffthecomputerandallexternaldevices.
2.Checkallcablesandpowercords.
3.Setalldisplaycontrolstothemiddleposition.
4.T urnonallexternaldevices.
5.T urnonthecomputer.
•Lookfordisplayederrorcodes
•Listenforbeepcodes
•Lookforreadableinstructionsoramainmenuonthedisplay .
Ifyoudidnotreceivethecorrectresponse,proceedtostep6onpage33.
Ifyoudoreceivethecorrectresponse,runthediagnostics.See“Runningthediagnosticprogram
fromadiagnosticdisc”onpage38.
6.L ookatthefollowingconditionsandfollowtheinstructions:
•IfyouhearbeepcodesduringPOST ,goto“Beepsymptoms”onpage63.
•IfthecomputerdisplaysaPOSTerror,goto“POSTerrorcodes”onpage63.
•Ifthecomputerhangsandnoerrorisdisplayed,goto“Powerproblems”onpage33.

Checkingforpowerproblems

Ifthecomputerdoesnotturnonwhenthepowerswitchispressed,usethefollowingproceduretohelp
troubleshoot:
1.P ressthepowerswitchtoturnonthecomputer.CheckthepowerindicatorLEDnexttothepower
switch.
•IftheLEDisilluminated(on),thecomputerpowerisOK.Attempttorunthediagnostics.See
“Runningthediagnosticprogramfromadiagnosticdisc”onpage38.
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