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Chapter4.Generalcheckout
Attention
Thedrivesinthecomputeryouareservicingmighthavebeenrearrangedorthedrivestartupsequence
changed.Beextremelycarefulduringwriteoperationssuchascopying,saving,orformatting.Dataor
programscanbeoverwrittenifyouselectanincorrectdrive.
Generalerrormessagesappearifaproblemorconflictisfoundbyanapplicationprogram,theoperating
system,orboth.Foranexplanationofthesemessages,refertotheinformationsuppliedwiththatsoftware
package.
BeforereplacinganyFRUs,ensurethatthelatestlevelofBIOSisinstalledonthesystem.Adown-levelBIOS
mightcausefalseerrorsandunnecessaryreplacementofthesystemboard.Formoreinformationonhowto
determineandobtainthelatestlevelBIOS,see“BIOSlevels”onpage219
.
Usethefollowingproceduretohelpdeterminethecauseoftheproblem:
1.Power-offthecomputerandallexternaldevices.
2.Checkallcablesandpowercords.
3.Setalldisplaycontrolstothemiddleposition.
4.Power-onallexternaldevices.
5.Power-onthecomputer.
Lookfordisplayederrorcodes
Listenforbeepcodes
Lookforreadableinstructionsoramainmenuonthedisplay.
Ifyoudidnotreceivethecorrectresponse,proceedtostep6.
Ifyoudoreceivethecorrectresponse,proceedtostep7.
6.Lookatthefollowingconditionsandfollowtheinstructions:
IfyouhearbeepcodesduringPOST,goto“Beepsymptoms”onpage63.
IfthecomputerdisplaysaPOSTerror,goto“POSTerrorcodes”onpage64.
Ifthecomputerhangsandnoerrorisdisplayed,continueatstep7.
7.RuntheDiagnosticprograms.See“Diagnostics”onpage53.
Ifyoureceiveanerror,replacethepartthatthediagnosticprogramcallsout.
Iftheteststopsandyoucannotcontinue,replacethelastdevicetested.
Problemdeterminationtips
Duetothevarietyofhardwareandsoftwarecombinationsthatcanbeencountered,usethefollowing
informationtoassistyouinproblemdetermination.Ifpossible,havethisinformationavailablewhen
requestingassistancefromServiceSupportandEngineeringfunctions.
Machinetypeandmodel
Processororharddiskdriveupgrades
Failuresymptom
Dodiagnosticsindicateafailure?
What,when,where,single,ormultiplesystems?
Isthefailurerepeatable?
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