Chapter4.Generalcheckout
Attention
Thedrivesinthecomputeryouareservicingmighthavebeenrearrangedorthedrivestartupsequence
changed.Beextr emelycarefulduringwriteoperationssuchascopying,saving,orformatting.Dataor
programscanbeoverwrittenifyouselectanincorrectdrive.
Generalerrormessagesappearifapr oblemorconictisfoundbyanapplicationprogram,theoperating
system,orboth.Foranexplanationofthesemessages,refertotheinformationsuppliedwiththatsoftware
package.
BeforereplacinganyFRUs,ensurethatthelatestlevelofBIOSisinstalledonthesystem.Adown-levelBIOS
mightcausefalseerrorsandunnecessaryreplacementofthesystemboard.Formoreinformationonhowto
determineandobtainthelatestlevelBIOS,see“BIOSlevels”onpage203.
Usethefollowingproceduretohelpdeterminethecauseoftheproblem:
1.Power-offthecomputerandallexternaldevices.
2.Checkallcablesandpowercords.
3.Setalldisplaycontrolstothemiddleposition.
4.Power-onallexternaldevices.
5.Power-onthecomputer.
Lookfordisplayederrorcodes
Listenforbeepcodes
Lookforreadableinstructionsoramainmenuonthedisplay .
Ifyoudidnotreceivethecorrectresponse,proceedtostep6onpage33.
Ifyoudoreceivethecorrectresponse,proceedtostep7onpage33.
6.L ookatthefollowingconditionsandfollowtheinstructions:
IfyouhearbeepcodesduringPOST ,goto“Beepsymptoms”onpage61.
IfthecomputerdisplaysaPOSTerror,goto“POSTerrorcodes”onpage62.
Ifthecomputerhangsandnoerrorisdisplayed,continueatstep7onpage33.
7.RuntheDiagnosticprograms.SeeChapter5“Diagnostics”onpage35.
Ifyoureceiveanerror,replacethepartthatthediagnosticprogramcallsoutorgoto“Diagnostic
errorcodes”onpage43.
Iftheteststopsandyoucannotcontinue,replacethelastdevicetested.

Problemdeterminationtips

Duetothevarietyofhardwareandsoftwarecombinationsthatcanbeencountered,usethefollowing
informationtoassistyouinproblemdetermination.Ifpossible,havethisinformationavailablewhen
requestingassistancefromServiceSupportandEngineeringfunctions.
Machinetypeandmodel
Processororharddiskupgrades
Failuresymptom
Dodiagnosticsindicateafailure?
What,when,where,single,ormultiplesystems?
Isthefailurerepeatable?
©CopyrightLenovo2009,201133