Lenovo ThinkCentre E93 Hardware Maintenance Manual [en, ar, bg, br, cs, el, es, fr, hr, hu, ko, pl, pt, ro, ru, sk, sl, sr, th, tr, uk, zc, zh]

ThinkCentreE93
HardwareMaintenanceManual

MachineTypes:10ARand10AQ

Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadandunderstandChapter2
“Safetyinformation”onpage3andAppendixA“Notices”onpage171.

ThirdEdition(June2014)
©CopyrightLenovo2013,2014.

LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwarearedeliveredpursuantaGeneralServices
Administration“GSA”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.
GS-35F-05925.

Contents

Chapter1.Aboutthismanual......1

Importantsafetyinformation..........1

Chapter2.Safetyinformation......3

Generalsafety................3

Electricalsafety...............3

Safetyinspectionguide............5

Handlingelectrostaticdischarge-sensitive

devices..................5

Groundingrequirements............6

Safetynotices(multi-lingualtranslations).....6

Chapter3.Generalinformation....29

Specifications...............29

Formachinetype:10AR.........29

Formachinetype:10AQ.........30

Lenovoprograms.............30

AccessingLenovoprogramsontheWindows

7operatingsystem...........30

AccessingLenovoprogramsontheWindows

8orWindows8.1operatingsystem....31

LenovoSupportWebsite..........32

Chapter4.Generalcheckout.....33

Problemdeterminationtips..........33

Chapter5.Troubleshootingand

diagnostics..............35

Basictroubleshooting............35

AccessingControlPanelontheWindows8or

Windows8.1operatingsystem........36

Troubleshootingprocedure..........36

Troubleshooting..............37

Audioproblems............37

CDproblems.............39

DVDproblems.............40

Intermittentproblems..........41

Harddiskdriveproblems.........41

Keyboard,mouse,orpointingdevice

problems...............42

Monitorproblems............44

Networkingproblems..........46

Optionproblems............48

Performanceandlockupproblems.....49

Printerproblems............51

Serialportproblems...........51

Softwareproblems...........52

USBproblems.............53

Diagnostics................53

LenovoSolutionCenter.........53

UEFIdiagnosticprogram.........54

Chapter6.UsingtheSetupUtility

program................55

StartingtheSetupUtilityprogram.......55

Viewingandchangingsettings........55

Usingpasswords..............55

Passwordconsiderations.........56

Power-onpassword...........56

Administratorpassword.........56

HardDiskPassword...........56

Setting,changing,anddeletingapassword.56
Erasinglostorforgottenpasswords(clearing

CMOS)................57

Enablingordisablingadevice........57

Selectingastartupdevice..........58

Selectingatemporarystartupdevice....58

Selectingorchangingthestartupdevice

sequence...............58

EnablingErPLPScompliancemode......58

ICEperformancemode...........59

ICEthermalalert..............59

ChangingtheBIOSsettingsbeforeinstallinganew

operatingsystem..............60

ExitingtheSetupUtilityprogram.......60

Chapter7.Symptom-to-FRUIndex..61

Harddiskdrivebooterror..........61

Powersupplyproblems...........61

Beepsymptoms..............61

POSTerrorcodes.............62

Miscellaneouserrorconditions........64

Undeterminedproblems...........65

Chapter8.Locations.........67

Formachinetype:10AR...........67

Locatingconnectors,controls,andindicators

onthefrontofyourcomputer.......67

Locatingconnectorsontherearofyour

computer...............68

LocatingmajorFRUsandCRUs......69

LookingupFRUinformation.......71

Locatingpartsonthesystemboard....71

Locatinginternaldrives.........73

Formachinetype:10AQ...........73

©CopyrightLenovo2013,2014

i

Locatingconnectors,controls,andindicators

onthefrontofyourcomputer.......73

Locatingconnectorsontherearofyour

computer...............75

LocatingmajorFRUsandCRUs......76

LookingupFRUinformation.......78

Locatingpartsonthesystemboard....78

Locatinginternaldrives.........80

Chapter9.ReplacingFRUs(machine

type:10AR)..............81

Handlingstatic-sensitivedevices.......81

Installingorreplacinghardware........81

Installingexternaloptions........81

Removingthecomputercover.......82

Removingandreinstallingthefrontbezel..83

Replacingtheharddiskdrive.......84

Replacingthesolid-statedrive......86

Replacingtheopticaldrive........88

Replacingtheslimcardreader......89

ReplacingthefrontaudioandUSB

assembly...............92

Replacingthepowersupplyassembly...93

Replacingthesystemfan.........95

Replacingtheheatsinkandfanassembly..96

Replacingthemicroprocessor.......98

InstallingorreplacingaPCIcard......100

Replacingthebattery..........104

Installingorreplacingamemorymodule...105

Replacingthesystemboard.......107

ReplacingtheWi-Fiunits.........110

InstallingorremovingtherearWi-Fi

antenna...............115

InstallingorremovingthefrontWi-Fi

antenna...............117

Completingthepartsreplacement.....119

Chapter10.ReplacingFRUs(machine

type:10AQ).............121

Handlingstatic-sensitivedevices.......121

Installingorreplacinghardware........121

Installingexternaloptions........121

Removingthecomputercover.......122

Removingandreinstallingthefrontbezel..122
Accessingthesystemboardcomponentsand

drives................124

Replacingtheheatsinkandfanassembly..125

Replacingtheharddiskdrive.......127

Replacingthesolid-statedrive......130

Replacingthesystemfan.........134

Replacingtheopticaldrive........136

Replacingtheslimcardreader......139

ReplacingthefrontaudioandUSB

assembly...............141

Replacingthepowersupplyassembly...143

Replacingthemicroprocessor.......146

InstallingorreplacingaPCIcard......149

Replacingthebattery..........150

Installingorreplacingamemorymodule...152

Replacingthesystemboard.......154

ReplacingtheWi-Fiunits.........156

InstallingorremovingtherearWi-Fi

antenna...............161

InstallingorremovingthefrontWi-Fi

antenna...............163

Completingthepartsreplacement.....165

Chapter11.Additionalservice

information.............167

Securityfeatures..............167

Hardwarecontrolledpasswords......167

Operatingsystempassword.......167

Vitalproductdata............167

BIOSlevels................167

Flashupdateprocedures..........167

Updating(flashing)theBIOSfromadisc...168

Updating(flashing)theBIOSfromyour

operatingsystem............169

RecoveringfromaPOST/BIOSupdate

failure................169

Powermanagement............170

Advancedconfigurationandpowerinterface

(ACPI)BIOS..............170

AutomaticPower-onfeatures.......170

AppendixA.Notices.........171

Televisionoutputnotice...........172

EuropeanconformanceCEmark.......172

Trademarks................172

Index.................173

iiThinkCentreE93HardwareMaintenanceManual

Chapter1.Aboutthismanual

ThismanualprovidesserviceandreferenceinformationforThinkCentre®Ecomputerslistedonthefront
cover.ThismanualisintendedonlyfortrainedservicepersonnelwhoarefamiliarwithLenovo
products.

BeforeservicingaLenovocomputerproduct,besuretoread“Importantsafetyinformation”onpage1.

Chapter7“Symptom-to-FRUIndex”onpage61andChapter11“Additionalserviceinformation”onpage
167arenotspecifictoanymachinetypeandareapplicabletoallThinkCentreEcomputers.

FormajorFieldReplaceableUnits(FRU)locationsandCustomerReplaceableUnit(CRU)identification,
seeChapter8“Locations”onpage67.

ForFRUreplacementinstructions,seeChapter9“ReplacingFRUs(machinetype:10AR)”onpage81and
Chapter10“ReplacingFRUs(machinetype:10AQ)”onpage121.

ForFRUpartnumbers,gotohttp:/www.lenovo.com/serviceparts-lookup.

®

computer

Importantsafetyinformation

Besuretoreadallcautionanddangerstatementsinthisbookbeforeperforminganyoftheinstructions.

VeuillezliretouteslesconsignesdetypeDANGERetATTENTIONduprésentdocumentavantd'exécuter
lesinstructions.

LesenSieunbedingtalleHinweisevomT yp"ACHTUNG"oder"VORSICHT"indieserDokumentation,bevor
SieirgendwelcheVorgängedurchführen

LeggereleistruzioniintrodottedaATTENZIONEePERICOLOpresentinelmanualeprimadieseguireuna
qualsiasidelleistruzioni

Certifique-sedelertodasasinstruçõesdecuidadoeperigonestemanualantesdeexecutarqualquer
umadasinstruções

Esimportantequeleatodaslasdeclaracionesdeprecauciónydepeligrodeestemanualantesdeseguir
lasinstrucciones.

©CopyrightLenovo2013,2014

1

2ThinkCentreE93HardwareMaintenanceManual

Chapter2.Safetyinformation

Thischaptercontainsthesafetyinformationthatyouneedtobefamiliarwithbeforeservicingacomputer.

Generalsafety

Followtheserulestoensuregeneralsafety:

•Observegoodhousekeepingintheareaofthemachinesduringandaftermaintenance.

•Whenliftinganyheavyobject:

1.Ensureyoucanstandsafelywithoutslipping.

2.Distributetheweightoftheobjectequallybetweenyourfeet.

3.Useaslowliftingforce.Nevermovesuddenlyortwistwhenyouattempttolift.

4.Liftbystandingorbypushingupwithyourlegmuscles;thisactionremovesthestrainfromthe
musclesinyourback.

Attention:

Donotattempttoliftanyobjectsthatweighmorethan16kg(35lb)orobjectsthatyouthinkare
tooheavyforyou.

•Donotperformanyactionthatcauseshazardstothecustomer,orthatmakestheequipmentunsafe.

•Beforeyoustartthemachine,ensurethatotherservicerepresentativesandthecustomer'spersonnelare
notinahazardousposition.

•Placeremovedcoversandotherpartsinasafeplace,awayfromallpersonnel,whileyouareservicing
themachine.

•Keepyourtoolcaseawayfromwalkareassothatotherpeoplewillnottripoverit.

•Donotwearlooseclothingthatcanbetrappedinthemovingpartsofamachine.Ensurethatyoursleeves
arefastenedorrolledupaboveyourelbows.Ifyourhairislong,fastenit.

•Inserttheendsofyournecktieorscarfinsideclothingorfastenitwithanonconductiveclip,approximately
8centimeters(3inches)fromtheend.

•Donotwearjewelry,chains,metal-frameeyeglasses,ormetalfastenersforyourclothing.
Remember:Metalobjectsaregoodelectricalconductors.

•Wearsafetyglasseswhenyouare:hammering,drilling,soldering,cuttingwire,attachingsprings,using
solvents,orworkinginanyotherconditionsthatmightbehazardoustoyoureyes.

•Afterservice,reinstallallsafetyshields,guards,labels,andgroundwires.Replaceanysafetydevice
thatiswornordefective.

•Reinstallallcoverscorrectlybeforereturningthemachinetothecustomer.

Electricalsafety

CAUTION:
Electricalcurrentfrompower,telephone,andcommunicationcablescanbehazardous.Toavoid
personalinjuryorequipmentdamage,disconnecttheattachedpowercords,telecommunication

©CopyrightLenovo2013,2014

3

systems,networks,andmodemsbeforeyouopenthecomputercovers,unlessinstructedotherwise
intheinstallationandconfigurationprocedures.

Observethefollowingruleswhenworkingonelectricalequipment.

Important:Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoft
materialthatdoesnotinsulateyouwhenworkingwithliveelectricalcurrents.Manycustomershave,near
theirequipment,rubberfloormatsthatcontainsmallconductivefiberstodecreaseelectrostaticdischarges.
Donotusethistypeofmattoprotectyourselffromelectricalshock.

•Findtheroomemergencypower-off(EPO)switch,disconnectingswitch,orelectricaloutlet.Ifanelectrical
accidentoccurs,youcanthenoperatetheswitchorunplugthepowercordquickly.

•Donotworkaloneunderhazardousconditionsornearequipmentthathashazardousvoltages.

•Disconnectallpowerbefore:
–Performingamechanicalinspection

–Workingnearpowersupplies
–RemovingorinstallingFieldReplaceableUnits(FRUs)

•Beforeyoustarttoworkonthemachine,unplugthepowercord.Ifyoucannotunplugit,askthecustomer
topower-offthewallboxthatsuppliespowertothemachineandtolockthewallboxintheoffposition.

•Ifyouneedtoworkonamachinethathasexposedelectricalcircuits,observethefollowingprecautions:
–Ensurethatanotherperson,familiarwiththepower-offcontrols,isnearyou.

Remember:Anotherpersonmustbetheretoswitchoffthepower,ifnecessary.

–Useonlyonehandwhenworkingwithpowered-onelectricalequipment;keeptheotherhandinyour

pocketorbehindyourback.
Remember:Theremustbeacompletecircuittocauseelectricalshock.Byobservingtheaboverule,
youmaypreventacurrentfrompassingthroughyourbody.

–Whenusingatester,setthecontrolscorrectlyandusetheapprovedprobeleadsandaccessoriesfor

thattester.

–Standonsuitablerubbermats(obtainedlocally,ifnecessary)toinsulateyoufromgroundssuchas

metalfloorstripsandmachineframes.

Observethespecialsafetyprecautionswhenyouworkwithveryhighvoltages;theseinstructionsarein
thesafetysectionsofmaintenanceinformation.Useextremecarewhenmeasuringhighvoltages.

•Regularlyinspectandmaintainyourelectricalhandtoolsforsafeoperationalcondition.

•Donotusewornorbrokentoolsandtesters.

•Neverassumethatpowerhasbeendisconnectedfromacircuit.First,checkthatithasbeenpowered-off.

•Alwayslookcarefullyforpossiblehazardsinyourworkarea.Examplesofthesehazardsaremoistfloors,
nongroundedpowerextensioncables,powersurges,andmissingsafetygrounds.

•Donottouchliveelectricalcircuitswiththereflectivesurfaceofaplasticdentalmirror.Thesurfaceis
conductive;suchtouchingcancausepersonalinjuryandmachinedamage.

•Donotservicethefollowingpartswiththepoweronwhentheyareremovedfromtheirnormaloperating
placesinamachine:

–Powersupplyunits
–Pumps
–Blowersandfans
–Motorgenerators

andsimilarunits.(Thispracticeensurescorrectgroundingoftheunits.)

•Ifanelectricalaccidentoccurs:

4ThinkCentreE93HardwareMaintenanceManual

–Usecaution;donotbecomeavictimyourself.
–Switchoffpower.
–Sendanotherpersontogetmedicalaid.

Safetyinspectionguide

Theintentofthisinspectionguideistoassistyouinidentifyingpotentiallyunsafeconditionsonthese
products.Eachmachine,asitwasdesignedandbuilt,hadrequiredsafetyitemsinstalledtoprotectusers
andservicepersonnelfrominjury.Thisguideaddressesonlythoseitems.However,goodjudgmentshould
beusedtoidentifypotentialsafetyhazardsduetoattachmentoffeaturesoroptionsnotcoveredbythis
inspectionguide.

Ifanyunsafeconditionsarepresent,youmustdeterminehowserioustheapparenthazardcouldbeand
whetheryoucancontinuewithoutfirstcorrectingtheproblem.

Considertheseconditionsandthesafetyhazardstheypresent:

•Electricalhazards,especiallyprimarypower(primaryvoltageontheframecancauseseriousorfatal
electricalshock).

•Explosivehazards,suchasadamagedCRTfaceorbulgingcapacitor

•Mechanicalhazards,suchaslooseormissinghardware

Theguideconsistsofaseriesofstepspresentedinachecklist.Beginthecheckswiththepoweroff,and
thepowercorddisconnected.

Checklist:

1.Checkexteriorcoversfordamage(loose,broken,orsharpedges).

2.Power-offthecomputer.Disconnectthepowercord.

3.Checkthepowercordfor:
a.Athird-wiregroundconnectoringoodcondition.Useametertomeasurethird-wireground

continuityfor0.1ohmorlessbetweentheexternalgroundpinandframeground.
b.Thepowercordshouldbetheappropriatetypeasspecifiedinthepartslistings.
c.Insulationmustnotbefrayedorworn.

4.Removethecover.

5.Checkforanyobviousalterations.Usegoodjudgmentastothesafetyofanyalterations.

6.Checkinsidetheunitforanyobviousunsafeconditions,suchasmetalfilings,contamination,wateror
otherliquids,orsignsoffireorsmokedamage.

7.Checkforworn,frayed,orpinchedcables.

8.Checkthatthepower-supplycoverfasteners(screwsorrivets)havenotbeenremovedortamperedwith.

Handlingelectrostaticdischarge-sensitivedevices

Anycomputerpartcontainingtransistorsorintegratedcircuits(ICs)shouldbeconsideredsensitiveto
electrostaticdischarge(ESD).ESDdamagecanoccurwhenthereisadifferenceinchargebetweenobjects.
ProtectagainstESDdamagebyequalizingthechargesothatthemachine,thepart,theworkmat,andthe
personhandlingthepartareallatthesamecharge.

Notes:

1.Useproduct-specificESDprocedureswhentheyexceedtherequirementsnotedhere.

2.MakesurethattheESDprotectivedevicesyouusehavebeencertified(ISO9000)asfullyeffective.

Chapter2.Safetyinformation5

WhenhandlingESD-sensitiveparts:

•Keepthepartsinprotectivepackagesuntiltheyareinsertedintotheproduct.

•Avoidcontactwithotherpeoplewhilehandlingthepart.

•Wearagroundedwriststrapagainstyourskintoeliminatestaticonyourbody.

•Preventthepartfromtouchingyourclothing.Mostclothingisinsulativeandretainsachargeeven
whenyouarewearingawriststrap.

•Usetheblacksideofagroundedworkmattoprovideastatic-freeworksurface.Thematisespecially
usefulwhenhandlingESD-sensitivedevices.

•Selectagroundingsystem,suchasthoselistedbelow,toprovideprotectionthatmeetsthespecific
servicerequirement.

Note:TheuseofagroundingsystemisdesirablebutnotrequiredtoprotectagainstESDdamage.
–AttachtheESDgroundcliptoanyframeground,groundbraid,orgreen-wireground.

–UseanESDcommongroundorreferencepointwhenworkingonadouble-insulatedor

battery-operatedsystem.Youcanusecoaxorconnector-outsideshellsonthesesystems.

–Usetheroundground-prongoftheacplugonac-operatedcomputers.

Groundingrequirements

Electricalgroundingofthecomputerisrequiredforoperatorsafetyandcorrectsystemfunction.Proper
groundingoftheelectricaloutletcanbeverifiedbyacertifiedelectrician.

Safetynotices(multi-lingualtranslations)

Thecautionanddangersafetynoticesinthissectionareprovidedinthefollowinglanguages:

•English

•Arabic

•Brazilian/Portuguese

•Chinese(simplified)

•Chinese(traditional)

•French

•German

•Hebrew

•Italian

•Korean

•Spanish

DANGER

Electricalcurrentfrompower,telephoneandcommunicationcablesishazardous.

Toavoidashockhazard:

6ThinkCentreE93HardwareMaintenanceManual

•Donotconnectordisconnectanycablesorperforminstallation,maintenance,orreconfiguration

ofthisproductduringanelectricalstorm.

•Connectallpowercordstoaproperlywiredandgroundedelectricaloutlet.

•Connecttoproperlywiredoutletsanyequipmentthatwillbeattachedtothisproduct.

•Whenpossible,useonehandonlytoconnectordisconnectsignalcables.

•Neverturnonanyequipmentwhenthereisevidenceoffire,water,orstructuraldamage.

•Disconnecttheattachedpowercords,telecommunicationssystems,networks,andmodems

beforeyouopenthedevicecovers,unlessinstructedotherwiseintheinstallationandconfiguration
procedures.

•Connectanddisconnectcablesasdescribedinthefollowingtableswheninstalling,moving,or

openingcoversonthisproductorattacheddevices.

ToConnectToDisconnect

1.T urneverythingOFF.

2.First,attachallcablestodevices.

3.Attachsignalcablestoconnectors.

4.Attachpowercordstooutlet.

5.T urndeviceON.

1.T urneverythingOFF.

2.First,removepowercordsfromoutlet.

3.Removesignalcablesfromconnectors.

4.Removeallcablesfromdevices.

CAUTION:
Whenreplacingthelithiumbattery,useonlyPartNumber45C1566oranequivalenttypebattery
recommendedbythemanufacturer.Ifyoursystemhasamodulecontainingalithiumbattery,replace
itonlywiththesamemoduletypemadebythesamemanufacturer.Thebatterycontainslithiumand
canexplodeifnotproperlyused,handled,ordisposedof.Donot:

•Throworimmerseintowater

•Heattomorethan100°C(212°F)

•Repairordisassemble

Disposeofthebatteryasrequiredbylocalordinancesorregulations.

CAUTION:
Whenlaserproducts(suchasCD-ROMs,DVD-ROMdrives,fiberopticdevices,ortransmitters)are
installed,notethefollowing:

•Donotremovethecovers.Removingthecoversofthelaserproductcouldresultinexposureto
hazardouslaserradiation.Therearenoserviceablepartsinsidethedevice.

•Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespecifiedherein
mightresultinhazardousradiationexposure.

Chapter2.Safetyinformation7

DANGER

1

2

SomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing:

Laserradiationwhenopen.Donotstareintothebeam,donotviewdirectlywithoptical
instruments,andavoiddirectexposuretothebeam.

≥18kg(37lbs)≥32kg(70.5lbs)≥55kg(121.2lbs)

CAUTION:
Usesafepracticeswhenlifting.

CAUTION:
Thepowercontrolbuttononthedeviceandthepowerswitchonthepowersupplydonotturnoff
theelectricalcurrentsuppliedtothedevice.Thedevicealsomighthavemorethanonepower
cord.Toremoveallelectricalcurrentfromthedevice,ensurethatallpowercordsaredisconnected
fromthepowersource.

8ThinkCentreE93HardwareMaintenanceManual

Chapter2.Safetyinformation9

≥18kg(37lbs)≥32kg(70.5lbs)≥55kg(121.2lbs)

1

2

PERIGO

Acorrenteelétricaprovenientedecabosdealimentação,detelefoneedecomunicaçõeséperigosa.

10ThinkCentreE93HardwareMaintenanceManual

Paraevitarriscodechoqueelétrico:

•Nãoconectenemdesconectenenhumcaboouexecuteinstalação,manutençãooureconfiguração
desteprodutoduranteumatempestadecomraios.

•Conectetodososcabosdealimentaçãoatomadaselétricascorretamenteinstaladaseaterradas.

•T odoequipamentoqueforconectadoaesteprodutodeveserconectadoatomadascorretamente
instaladas.

•Quandopossível,utilizeapenasumadasmãosparaconectaroudesconectarcabosdesinal.

•Nuncaliguenenhumequipamentoquandohouverevidênciadefogo,águaoudanosestruturais.

•Antesdeabrirtampasdedispositivos,desconectecabosdealimentação,sistemasdetelecomunicação,
redesemodemsconectados,amenosqueespecificadodemaneiradiferentenosprocedimentosde
instalaçãoeconfiguração.

•Conecteedesconecteoscabosconformedescritonatabelaapresentadaaseguiraoinstalar,moverou
abrirtampasdesteprodutooudedispositivosconectados.

ParaConectar:ParaDesconectar:

1.DESLIGUETudo.

2.Primeiramente,conectetodososcabosaos
dispositivos.

3.Conecteoscabosdesinalaosconectores.

4.Conecteoscabosdealimentaçãoàstomadas.

5.LIGUEosdispositivos.

1.DESLIGUETudo.

2.Primeiramente,removaoscabosdealimentaçãodas
tomadas.

3.Removaoscabosdesinaldosconectores.

4.Removatodososcabosdosdispositivos.

CUIDADO:

Aosubstituirabateriadelítio,utilizeapenasumabateriacomNúmerodePeça45C1566ouumtipo
debateriaequivalenterecomendadopeloSeoseusistemapossuiummódulocomumabateriade
lítio,substitua-oapenasporummódulodomesmotipoedomesmofabricante.Abateriacontémlítio
epodeexplodirsenãoforutilizada,manuseadaoudescartadademaneiracorreta.

Não:

•Jogueoucoloquenaágua

•Aqueçaamaisde100°C(212°F)

•Consertenemdesmonte

Descarteabateriaconformerequeridopelasleisouregulamentoslocais.

PRECAUCIÓN:

Quandoprodutosalaser(comounidadesdeCD-ROMs,unidadesdeDVD-ROM,dispositivosdefibraótica
outransmissores)estivereminstalados,observeoseguinte:

•Nãoremovaastampas.Aremoçãodastampasdeumprodutoalaserpoderesultaremexposição
prejudicialàradiaçãodelaser.Nãoexistempeçasquepodemserconsertadasnointeriordodispositivo.

Chapter2.Safetyinformation11

•Autilizaçãodecontrolesouajustesouaexecuçãodeprocedimentosdiferentesdosespecificadosaqui

1

2

poderesultaremexposiçãoprejudicialàradiação.

PERIGO

AlgunsprodutosalasercontêmdiododelaserintegradodaClasse3AoudaClasse3B.Observeoseguinte:

Radiaçãoalaserquandoaberto.Nãoolhediretamenteparaofeixeaolhonuoucominstrumentosópticose
eviteexposiçãodiretaaofeixe.

≥18kg(37lbs)≥32kg(70.5lbs)≥55kg(121.2lbs)

CUIDADO:

Utilizeprocedimentosdesegurançaparalevantarequipamentos.

CUIDADO:

Obotãodecontroledealimentaçãododispositivoeobotãoparaligar/desligardafontedealimentação
nãodesligamacorrenteelétricafornecidaaodispositivo.Odispositivotambémpodetermaisdeumcabo
dealimentação.Pararemovertodaacorrenteelétricadodispositivo,assegurequetodososcabosde
alimentaçãoestejamdesconectadosdafontedealimentação.

12ThinkCentreE93HardwareMaintenanceManual

Chapter2.Safetyinformation13

1

2

14ThinkCentreE93HardwareMaintenanceManual

1

2

Chapter2.Safetyinformation15

DANGER

Lecourantélectriqueprovenantdel'alimentation,dutéléphoneetdescâblesdetransmissionpeutprésenter
undanger.

Pourévitertoutrisquedechocélectrique:

•Nemanipulezaucuncâbleetn'effectuezaucuneopérationd'installation,d'entretienoudereconfiguration
deceproduitaucoursd'unorage.

•Brancheztouslescordonsd'alimentationsurunsocledeprisedecourantcorrectementcâbléetmisàla
terre.

•Branchezsurdessoclesdeprisedecourantcorrectementcâbléstoutéquipementconnectéàceproduit.

•Lorsquecelaestpossible,n'utilisezqu'uneseulemainpourconnecteroudéconnecterlescâbles
d'interface.

•Nemettezjamaisunéquipementsoustensionencasd'incendieoud'inondation,ouenprésencede
dommagesmatériels.

•Avantderetirerlescartersdel'unité,mettezcelle-cihorstensionetdéconnectezsescordons
d'alimentation,ainsiquelescâblesquilarelientauxréseaux,auxsystèmesdetélécommunicationetaux
modems(saufinstructioncontrairementionnéedanslesprocéduresd'installationetdeconfiguration).

•Lorsquevousinstallez,quevousdéplacez,ouquevousmanipulezleprésentproduitoudespériphériques
quiluisontraccordés,reportez-vousauxinstructionsci-dessouspourconnecteretdéconnecterles
différentscordons.

ConnexionDéconnexion

1.MettezlesunitésHORSTENSION.

2.Commencezparbranchertouslescordonssurles
unités.

3.Branchezlescâblesd'interfacesurdesconnecteurs.

4.Branchezlescordonsd'alimentationsurdesprises.

5.MettezlesunitésSOUSTENSION.

1.MettezlesunitésHORSTENSION.

2.Débranchezlescordonsd'alimentationdesprises.

3.Débranchezlescâblesd'interfacedesconnecteurs.

4.Débrancheztouslescâblesdesunités.

ATTENTION:

Remplacerlapileaulithiumusagéeparunepilederéférenceidentiqueexclusivement,(référence
45C1566),ousuivrelesinstructionsdufabricantquiendéfinitleséquivalences.Sivotresystèmeest
dotéd'unmodulecontenantunepileaulithium,vousdevezleremplaceruniquementparunmodule
identique,produitparlemêmefabricant.Lapilecontientdulithiumetpeutexploserencasde
mauvaiseutilisation,demauvaisemanipulationoudemiseaurebutinappropriée.

Nepas:

•lajeteràl'eau,

•l'exposeràdestempératuressupérieuresà100°C,

•chercheràlaréparerouàladémonter.

Nepasmettrelapileàlapoubelle.Pourlamiseaurebut,sereporteràlaréglementationenvigueur.

16ThinkCentreE93HardwareMaintenanceManual

ATTENTION:

Sidesproduitsàlaser(telsquedesunitésdeCD-ROM,deDVD-ROM,desunitésàfibresoptiques,ou
desémetteurs)sontinstallés,prenezconnaissancedesinformationssuivantes:

•Neretirezpaslecarter.Enouvrantl'unitédeCD-ROMoudeDVD-ROM,vousvousexposezau

rayonnementdangereuxdulaser.Aucunepiècedel'unitén'estréparable.

•Pourévitertoutrisqued'expositionaurayonlaser,respectezlesconsignesderéglageet

d'utilisationdescommandes,ainsiquelesprocéduresdécritesdansleprésentmanuel.

DANGER

Certainsproduitsàlasercontiennentunediodeàlaserintégréedeclasse3Aou3B.Prenez
connaissancedesinformationssuivantes:

Rayonnementlaserlorsquelecarterestouvert.Eviteztouteexpositiondirecteaurayonlaser.Evitez
deregarderfixementlefaisceauoudel'observeràl'aided'instrumentsoptiques.

≥18kg(37lbs)≥32kg(70.5lbs)≥55kg(121.2lbs)

ATTENTION:

Soulevezlamachineavecprécaution.

ATTENTION:

L'interrupteurdecontrôled'alimentationdel'unitéetl'interrupteurdublocd'alimentationnecoupent
paslecourantélectriquealimentantl'unité.Enoutre,lesystèmepeutêtreéquipédeplusieurs
cordonsd'alimentation.Pourmettrel'unitéhorstension,vousdevezdéconnectertouslescordons
delasourced'alimentation.

Chapter2.Safetyinformation17

1

2

VORSICHT

AnNetz-,T elefon-undDatenleitungenkönnengefährlicheSpannungenanliegen.

AusSicherheitsgründen:

•BeiGewitterandiesemGerätkeineKabelanschließenoderlösen.FernerkeineInstallations-,

Wartungs-oderRekonfigurationsarbeitendurchführen.

•GerätnuraneineSchutzkontaktsteckdosemitordnungsgemäßgeerdetemSchutzkontakt

anschließen.

•AlleangeschlossenenGeräteebenfallsanSchutzkontaktsteckdosenmitordnungsgemäß

geerdetemSchutzkontaktanschließen.

•DieSignalkabelnachMöglichkeiteinhändiganschließenoderlösen,umeinenStromschlagdurch

BerührenvonOberflächenmitunterschiedlichemelektrischemPotenzialzuvermeiden.

•Geräteniemalseinschalten,wennHinweiseaufFeuer,WasseroderGebäudeschädenvorliegen.

•DieVerbindungzudenangeschlossenenNetzkabeln,Telekommunikationssystemen,Netzwerken

undModemsistvordemÖffnendesGehäuseszuunterbrechen,sofernindenInstallations-und
KonfigurationsprozedurenkeineanderslautendenAnweisungenenthaltensind.

•ZumInstallieren,TransportierenundÖffnenderAbdeckungendesComputersoderder

angeschlossenenEinheitendieKabelgemäßderfolgendenTabelleanschließenundabziehen.

ZumAnschließenderKabelgehenSiewiefolgtvorZumAbziehenderKabelgehenSiewiefolgtvor

1.SchaltenSiealleEinheitenAUS.

2.SchließenSieerstalleKabelandieEinheitenan.

3.SchließenSiedieSignalkabelandieBuchsenan.

4.SchließenSiedieNetzkabelandieSteckdosean.

5.SchaltenSiedieEinheitEIN.

1.SchaltenSiealleEinheitenAUS.

2.ZiehenSiezuerstalleNetzkabelausden
Netzsteckdosen.

3.ZiehenSiedieSignalkabelausdenBuchsen.

4.ZiehenSiealleKabelvondenEinheitenab.

CAUTION:

EineverbrauchteLithiumbatterienurdurcheineBatteriemitderTeilenummer45C1566odereine
gleichwertige,vomHerstellerempfohleneBatterieersetzen.EnthältdasSystemeinModulmiteiner
Lithiumbatterie,diesesnurdurcheinModuldesselbenTypsundvondemselbenHerstellerersetzen.
DieBatterieenthältLithiumundkannbeiunsachgemäßerVerwendung,HandhabungoderEntsorgung
explodieren.

DieBatterienicht:

•mitWasserinBerührungbringen.

18ThinkCentreE93HardwareMaintenanceManual

•über100Cerhitzen.

•reparierenoderzerlegen.

DieörtlichenBestimmungenfürdieEntsorgungvonSondermüllbeachten.

ACHTUNG:

BeiderInstallationvonLasergeräten(wieCD-ROM-Laufwerken,DVD-aufwerken,Einheitenmit
LichtwellenleitertechnikoderSendern)Folgendesbeachten:

•DieAbdeckungennichtentfernen.DurchEntfernenderAbdeckungendesLasergerätskönnen

gefährlicheLaserstrahlungenfreigesetztwerden.DasGerätenthältkeinezuwartendenT eile.

•WerdenSteuerelemente,EinstellungenoderDurchführungenvonProzedurenandersalshier

angegebenverwendet,kanngefährlicheLaserstrahlungauftreten.

VORSICHT

EinigeLasergeräteenthalteneineLaserdiodederKlasse3Aoder3B.BeachtenSieFolgendes:

LaserstrahlungbeigeöffneterVerkleidung.NichtindenStrahlblicken.KeineLupenoderSpiegel
verwenden.Strahlungsbereichmeiden.

≥18kg≥32kg≥55kg

ACHTUNG:

ArbeitsschutzrichtlinienbeimAnhebenderMaschinebeachten.

ACHTUNG:

MitdemNetzschalteranderEinheitundamNetzteilwirddieStromversorgungfürdieEinheit
nichtunterbrochen.DieEinheitkannauchmitmehrerenNetzkabelnausgestattetsein.Umdie
StromversorgungfürdieEinheitvollständigzuunterbrechen,müssenallezumGerätführenden
NetzkabelvomNetzgetrenntwerden.

Chapter2.Safetyinformation19

1

2

20ThinkCentreE93HardwareMaintenanceManual

1

2

Chapter2.Safetyinformation21

PERICOLO

Lacorrenteelettricaprovenientedaicavidialimentazione,deltelefonoedicomunicazionepuòessere
pericolosa.

Perevitareilrischiodiscosseelettriche:

•Noncollegareoscollegarequalsiasicavooppureeffettuarel'installazione,lamanutenzioneola

riconfigurazionedelprodottoduranteuntemporale.

•Collegaretuttiifilielettriciaunapresadialimentazionecorrettamentecablataedotatadimessaa

terra.

•Collegareallepreseelettricheappropriatetutteleapparecchiaturecheverrannoutilizzateper

questoprodotto.

•Sepossibile,utilizzaresolounamanopercollegareoscollegareicavidisegnale.

•Nonaccendereassolutamenteapparecchiatureinpresenzadiincendi,perdited'acquaodanno

strutturale.

•Scollegareicavidialimentazione,isistemiditelecomunicazione,leretieilmodemprimadi

aprireicoperchideldispositivo,salvoistruzionicontrarierelativealleprocedurediinstallazionee
configurazione.

•Collegareescollegareicavicomedescrittonellaseguentetabellaquandovengonoeffettuate

operazionidiinstallazione,spostamentooaperturadeicoperchidiquestoprodottoodelleunità
collegate.

PercollegarsiPerscollegarsi

1.SPEGNEREleapparecchiature.

2.Innanzitutto,collegaretuttiicavialleunità.

3.Collegareicavidisegnaleaiconnettori.

4.Collegareicavidialimentazioneallapresa.

5.Accenderel'unità.

1.SPEGNEREleapparecchiature.

2.Innanzitutto,rimuovereicavidialimentazionedalla
presa.

3.Rimuovereicavidisegnaledaiconnettori.

4.Rimuoveretuttiicavidalleunità.

ATTENZIONE:

Quandosisostituiscelabatteriaallitio,utilizzaresoloilNumeroparte45C1566ountipodibatteria
equivalenteconsigliatodalproduttore.Sesulsistemaèpresenteunmodulochecontieneunabatteria
allitio,sostituirlosoloconuntipodimodulodellostessotipodellastessacasadiproduzione.La
batteriacontienelitioepuòesplodereseusata,maneggiataosmaltitainmodononcorretto.

Non:

•Gettareoimmergerelabatterianell'acqua

•Riscaldarlaadunatemperaturasuperioreai100gradiC(212gradiF)

•Smontarla,ricaricarlaotentarediripararla

Lebatterieusatevannosmaltiteinaccordoallanormativainvigore(DPR915/82esuccessive
disposizioniedisposizionilocali).

22ThinkCentreE93HardwareMaintenanceManual

ATTENZIONE:

1

2

Quandovengonoinstallatiprodottilaser(qualiCD-ROM,unitàDVD-ROM,unitàafibreotticheo
trasmittenti),tenerpresentequantosegue:

•Nonrimuovereglisportelli.L'aperturadiun'unitàlaserpuòdeterminarel'esposizionearadiazioni

laserpericolose.All'internodell'unitànonvisonopartisucuieffettuarel'assistenzatecnica.

•L'utilizzodicontrolli,regolazioniol'esecuzionediprocedurenondescrittinelpresentemanuale

possonoprovocarel'esposizionearadiazionipericolose.

PERICOLO

AlcuneunitàlasercontengonoundiodolaserdiClasse3AoClasse3B.T enerpresentequantosegue:

Aprendol'unitàvengonoemesseradiazionilaser.Nonfissareilfascio,nonguardarlodirettamente
construmentiotticiedevitarel'esposizionealfascio.

≥18kg≥32kg≥55kg

ATTENZIONE:

Prestareattenzionenelsollevarel'apparecchiatura.

ATTENZIONE:

Ilpulsantedicontrollodell'alimentazionepresentesull'unitàel'interruttoredell'alimentatorenon
disattivanol'alimentazionecorrentefornitaall'unità.E'possibilechel'unitàdispongadipiùcavidi
alimentazione.Perdisattivarel'alimentazionedall'unità,accertarsichetuttiicavidialimentazione
sianoscollegatidallafontedialimentazione.

Chapter2.Safetyinformation23

24ThinkCentreE93HardwareMaintenanceManual

1

2

PELIGRO

Lacorrienteeléctricaprocedentedecablesdealimentación,teléfonosycablesdecomunicaciónpuede
serpeligrosa.

Paraevitarelriesgodedescargaeléctrica:

•Noconectenidesconecteloscablesnirealiceningunatareadeinstalación,mantenimientoo

reconfiguracióndeesteproductoduranteunatormentaeléctrica.

•Conectetodosloscablesdealimentaciónatomasdecorrientedebidamentecableadasy

conectadasatierra.

•Cualquierequipoqueseconecteaesteproductotambiéndebeconectarseatomasdecorriente

debidamentecableadas.

•Siemprequeseaposible,utiliceunasolamanoparaconectarodesconectarloscablesdeseñal.

Chapter2.Safetyinformation25

•Noenciendanuncaunequipocuandohayseñalesdefuego,aguaodañosestructurales.

•Desconecteloscablesdealimentación,lossistemasdetelecomunicaciones,lasredesylos

módemsconectadosantesdeabrirlascubiertasdelosdispositivos,amenosqueseindiquelo
contrarioenlosprocedimientosdeinstalaciónyconfiguración.

•Conecteydesconecteloscables,comosedescribeenlatablasiguiente,cuandoinstale,muevao

abralascubiertasdeesteproductoodelosdispositivosconectados.

ParaconectarParadesconectar

1.APÁGUELOtodo.

2.Enprimerlugar,conectetodosloscablesalos
dispositivos.

3.Conecteloscablesdeseñalalosconectores.

4.Enchufeloscablesdealimentaciónalastomasde
corriente.

5.Enciendaeldispositivo.

1.APÁGUELOtodo.

2.Enprimerlugar,desenchufeloscablesdealimentación
delastomasdecorriente.

3.Desconecteloscablesdeseñaldelosconectores.

4.Desconectetodosloscablesdelosdispositivos.

PRECAUCIÓN:

Cuandosustituyaunabateríadelitio,utilicesolamenteunabateríanúmerodepieza45C1566uotra
detipoequivalenterecomendadaporelfabricante.Sisusistemadisponedeunmóduloquecontiene
unabateríadelitio,reemplácelosóloconelmismotipodemódulo,delmismofabricante.Labatería
contienelitioypuedeexplotarsinoseutiliza,manipulaodesechacorrectamente.

Nodebe:

•Arrojarlaalaguaosumergirlaenella

•Exponerlaatemperaturassuperioresa100°C(212°F)

•Repararlaodesmontarla

Deshágasedelabateríasegúnespecifiquenlasleyesonormaslocales.

PRECAUCIÓN:

Cuandohayaproductosláser(comounidadesdeCD-ROM,unidadesdeDVD,dispositivosdefibra
ópticaotransmisores)instalados,tengaencuentalosiguiente:

•Noquitelascubiertas.Siquitalascubiertasdelproductoláser,podríaquedarexpuestoaradiación

láserpeligrosa.Dentrodeldispositivonoexisteningunapiezaquerequieraserviciotécnico.

•Siusacontrolesoajustesorealizaprocedimientosquenoseanlosespecificadosaquí,podría

exponersearadiacionespeligrosas.

PELIGRO

26ThinkCentreE93HardwareMaintenanceManual

Algunosproductoslásertienenincorporadoundiodoláserdeclase3Aoclase3B.Tengaencuentalo

1

2

siguiente:

Cuandoseabre,quedaexpuestoaradiaciónláser.Nomiredirectamentealrayoláser,nisiquieracon
instrumentosópticos,yeviteexponersedirectamentealrayoláser.

≥18kg≥32kg≥55kg

PRECAUCIÓN:

Adopteprocedimientossegurosallevantarelequipo.

PRECAUCIÓN:

Elbotóndecontroldealimentacióndeldispositivoyelinterruptordealimentacióndelafuentede
alimentaciónnodesconectanlacorrienteeléctricasuministradaaldispositivo.Además,eldispositivo
podríatenermásdeuncabledealimentación.Parasuprimirtodalacorrienteeléctricadeldispositivo,
asegúresedequetodosloscablesdealimentaciónesténdesconectadosdelatomadecorriente.

Chapter2.Safetyinformation27

28ThinkCentreE93HardwareMaintenanceManual

Chapter3.Generalinformation

Thischapterprovidesgeneralinformationthatappliestoallmachinetypessupportedbythispublication.

Specifications

Thissectionliststhephysicalspecificationsforyourcomputer.

Formachinetype:10AR

Dimensions

Width:160mm(6.30inches)
Height:396.5mm(15.61inches)
Depth:390mm(15.35inches)

Weight

Maximumconfigurationasshipped:7.3kg(16.1lb)

Environment

•Airtemperature:

Operating:10°Cto35°C(50°Fto95°F)
Storage:-40°Cto60°C(-40°Fto140°F)inoriginalshippingpackage
Storage:-10°Cto60°C(14°Fto140°F)withoutpackage

•Humidity:

Operating:20%to80%(non-condensing)
Storage:20%to90%(non-condensing)

•Altitude:

Operating:-15.2to3048m(-50to10000ft)
Storage:-15.2to10668m(-50to35000ft)

Electricalinput

•Inputvoltage:
–Lowrange:

Minimum:100Vac
Maximum:127Vac
Inputfrequencyrange:50to60Hz

–Highrange:

Minimum:200Vac
Maximum:240Vac
Inputfrequencyrange:50to60Hz

©CopyrightLenovo2013,2014

29

Formachinetype:10AQ

Dimensions

Width:100.7mm(3.96inches)
Height:335.5mm(13.20inches)
Depth:382mm(15.04inches)

Weight

Maximumconfigurationasshipped:6.7kg(14.8lb)

Environment

•Airtemperature:

Operating:10°Cto35°C(50°Fto95°F)
Storage:-40°Cto60°C(-40°Fto140°F)inoriginalshippingpackage
Storage:-10°Cto60°C(14°Fto140°F)withoutpackage

•Humidity:

Operating:20%to80%(non-condensing)
Storage:20%to90%(non-condensing)

•Altitude:

Operating:-15.2to3048m(-50to10000ft)
Storage:-15.2to10668m(-50to35000ft)

Electricalinput

•Inputvoltage:
–Lowrange:

Minimum:100Vac
Maximum:127Vac
Inputfrequencyrange:50to60Hz

–Highrange:

Minimum:200Vac
Maximum:240Vac
Inputfrequencyrange:50to60Hz

Lenovoprograms

YourcomputercomeswithLenovoprogramstohelpyouworkmoreeasilyandsecurely.Dependingon
theWindowsoperatingsystempreinstalled,theprogramsmightvary.

AccessingLenovoprogramsontheWindows7operatingsystem

YoucanaccessLenovoprogramsontheWindows7operatingsystemthroughWindowsSearchorfrom
ControlPanel.TheiconnamedisplayedinthesearchresultorControlPanelmightbedifferentfromthe
programname.YoucanfindtheprogrambyitsprogramnameoriconnameasshownintheLenovo
programsavailableontheWindows7operatingsystemtable.

Note:Ifyoudonotfindtheprogramyouneed,opentheLenovoThinkVantageprogramtofindthedimmed
iconfortheprogram.Thendouble-clicktheicontoinstalltheprogram.

ToaccessLenovoprogramsthroughWindowsSearch,dothefollowing:

30ThinkCentreE93HardwareMaintenanceManual

1.ClicktheStartbuttonandthentypetheprogramnameortheiconnameintothesearchbox.

2.Locatetheprogrambytheprogramnameortheiconnameandthenclicktheprogramtolaunchit.

ToaccessLenovoprogramsfromControlPanel,dothefollowing:

Note:SomeLenovoprogramsmightnotbedisplayedinControlPanel.Tofindtheseprograms,use

WindowsSearch.

1.ClickStart➙ControlPanel.ChangetheviewofControlPanelfromCategorytoLargeiconsorSmall
icons.

2.Locatetheprogrambytheiconnameandthenclicktheprogramtolaunchit.

ThefollowingtableliststheprogramsavailableontheWindows7operatingsystem.

Note:Dependingonyourcomputermodel,someoftheLenovoprogramsmightnotbeavailable.

Table1.LenovoprogramsavailableontheWindows7operatingsystem

ProgramnameIconname

CommunicationsUtilityLenovo-WebConferencing
FingerprintManagerProor

ThinkVantageFingerprintSoftware
LenovoBluetoothLockLenovoBluetoothLock
LenovoReachLenovoReach
LenovoSHAREitLenovoSHAREit
LenovoSolutionCenterLenovo-SystemHealthandDiagnostics
LenovoThinkVantageToolsLenovoThinkvantageTools
PasswordManagerLenovo-PasswordVault
PCCloudManagerPCCloudManager
PowerManager
RecoveryMedia
RescueandRecovery
SystemUpdate
ViewManagementUtilityLenovo-ViewManagementUtility

®

Lenovo-FingerprintManagerProorLenovo-FingerprintReader

Lenovo-PowerControls
Lenovo-FactoryRecoveryDisksorCreateRecoveryMedia
Lenovo-EnhancedBackupandRestore
Lenovo-UpdateandDrivers

AccessingLenovoprogramsontheWindows8orWindows8.1operating system

•OntheWindows8operatingsystem,presstheWindowskeytogototheStartscreen.ClickaLenovo
programtolaunchit.Ifyoucannotfindtheprogramyouneed,movethepointertothebottom-rightcorner
ofthescreentodisplaythecharms.ThenclicktheSearchcharmtosearchforthedesiredprogram.

•OntheWindows8.1operatingsystem,presstheWindowskey
Lenovoprogramtolaunchit.Ifyoucannotfindtheprogramyouneed,clickthearrowiconinthe

bottom-leftcornerofthescreentogototheAppsscreen.Findthedesiredprogramintheappslistor
searchforitinthesearchboxinthetop-rightcornerofthescreen.

YourcomputermightsupportthefollowingLenovoprograms:

Note:Dependingonyourcomputermodel,someoftheprogramsmightnotbeavailable.

togototheStartscreen.Clicka

Chapter3.Generalinformation31

•FingerprintManagerProorThinkVantageFingerprintSoftware

•LenovoBluetoothLock(Windows8.1only)

•LenovoCompanion

•LenovoReach

•LenovoSHAREit

•LenovoSolutionCenter

•LenovoSupport

•LenovoTools

•PasswordManager

•PCCloudManager(Windows8.1only)

•PowerManager

•SystemUpdate

LenovoSupportWebsite

TechnicalsupportinformationisavailableontheLenovoSupportWebsiteat:
http://www.lenovo.com/support

ThisWebsiteisupdatedwiththelatestsupportinformationsuchasthefollowing:

•Driversandsoftware

•Diagnosticsolutions

•Productandservicewarranty

•Productandpartsdetails

•Userguidesandmanuals

•Knowledgebaseandfrequentlyaskedquestions

32ThinkCentreE93HardwareMaintenanceManual

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”onpage167

Usethefollowingproceduretohelpdeterminethecauseoftheproblem:

1.Power-offthecomputerandallexternaldevices.

2.Checkallcablesandpowercords.

3.Setalldisplaycontrolstothemiddleposition.

4.Power-onallexternaldevices.

5.Power-onthecomputer.

•Lookfordisplayederrorcodes

•Listenforbeepcodes

•Lookforreadableinstructionsoramainmenuonthedisplay.
Ifyoudidnotreceivethecorrectresponse,proceedtostep6onpage33

Ifyoudoreceivethecorrectresponse,proceedtostep7onpage33.

6.Lookatthefollowingconditionsandfollowtheinstructions:

.

.

•IfyouhearbeepcodesduringPOST,goto“Beepsymptoms”onpage61.

•IfthecomputerdisplaysaPOSTerror,goto“POSTerrorcodes”onpage62.

•Ifthecomputerhangsandnoerrorisdisplayed,continueatstep7onpage33.

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?

©CopyrightLenovo2013,2014

33

–Hasthisconfigurationeverworked?
–Ifithasbeenworking,whatchangesweremadepriortoitfailing?
–Isthistheoriginalreportedfailure?

•Diagnosticsversion
–T ypeandversionlevel

•Hardwareconfiguration
–Print(printscreen)configurationcurrentlyinuse

–BIOSlevel

•Operatingsystemsoftware
–T ypeandversionlevel

Notes:Toeliminateconfusion,identicalsystemsareconsideredidenticalonlyifthey:

1.Aretheexactmachinetypeandmodels

2.HavethesameBIOSlevel

3.Havethesameadapters/attachmentsinthesamelocations

4.Havethesameaddressjumpers/terminators/cabling

5.Havethesamesoftwareversionsandlevels

6.HavethesameDiagnosticDiskettes(version)

7.Havethesameconfigurationoptionssetinthesystem

8.Havethesamesetupfortheoperatingsystemcontrolfiles

Comparingtheconfigurationandsoftwareset-upbetween“workingandnon-working”systemswilloften
leadtoproblemresolution.

34ThinkCentreE93HardwareMaintenanceManual

Chapter5.Troubleshootinganddiagnostics

Thischapterprovidesinformationaboutdiagnosingandtroubleshootingcomputerproblems.Ifyour
computerproblemisnotdescribedhere,see“LenovoSupportWebsite”onpage32foradditional
troubleshootingresources.

Basictroubleshooting

Thefollowingtableprovidesinformationtohelpyoutroubleshootyourcomputerproblems.

Note:Ifyoucannotcorrecttheproblem,havethecomputerserviced.Foralistofserviceandsupport
telephonenumbers,refertotheSafety,Warranty,andSetupGuidethatcomeswithyourcomputerorgoto
theLenovoSupportWebsiteathttp://www.lenovo.com/support/phone.

SymptomAction

Thecomputerdoesnotstart
whenyoupressthepower
switch.

Themonitorscreenisblank.

Thekeyboarddoesnotwork.

Themousedoesnotwork.

Verifythat:

•Thepowercordiscorrectlyconnectedtotherearofthecomputerandtoa
workingelectricaloutlet.

•Ifyourcomputerhasasecondarypowerswitchontherearofthecomputer,
ensurethatitisswitchedon.

•Thepowerindicatoronthefrontofthecomputerison.

•Thecomputervoltagematchesthevoltageavailableattheelectricaloutletfor
yourcountryorregion.

Verifythat:

•Themonitorsignalcableiscorrectlyconnectedtothemonitorandtothe
appropriatemonitorconnectoronthecomputer.

•Themonitorpowercordiscorrectlyconnectedtothemonitorandtoaworking
electricaloutlet.

•Themonitoristurnedonandthebrightnessandcontrastcontrolsareset
correctly.

•Thecomputervoltagematchesthevoltageavailableattheelectricaloutletfor
yourcountryorregion.

•Ifyourcomputerhastwomonitorconnectors,besuretousetheconnector
onthegraphicscard.

Verifythat:

•Thecomputeristurnedon.

•ThekeyboardissecurelyconnectedtoaUSBconnectoronthecomputer.

•Nokeysarestuck.

Verifythat:

•Thecomputeristurnedon.

•ThemouseissecurelyconnectedtoaUSBconnectoronthecomputer.

•Themouseisclean.Referto“Opticalmouse”onpage43forfurtherinformation.

©CopyrightLenovo2013,2014

35

SymptomAction

Theoperatingsystemdoesnot
start.

Thecomputerbeepsmultiple
timesbeforetheoperating
systemstarts.

Verifythat:

•Thestartupsequenceincludesthedevicewheretheoperatingsystemresides.
Usually,theoperatingsystemisontheharddiskdrive.Formoreinformation,
see“Selectingastartupdevice”onpage58

Verifythatnokeysarestuck.

.

AccessingControlPanelontheWindows8orWindows8.1operating system

OntheWindowsoperatingsystem,youcanviewandchangecomputersettingsthroughControlPanel.To
accessControlPanelontheWindows8orWindows8.1operatingsystem,dooneofthefollowing:

•Fromthedesktop

1.Movethepointertothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.

2.ClickSettings.

3.ClickControlPanel.

•FromtheStartscreen
–ForWindows8:

1.Movethepointertothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.

2.ClickSearch.

3.OntheAppsscreen,scrolltotherightside,andclickControlPanelintheWindowsSystem
section.

–ForWindows8.1:

1.Clickthearrowiconinthebottom-leftcornerofthescreentogototheAppsscreen.

2.Scrolltotherightside,andclickControlPanelintheWindowsSystemsection.

Troubleshootingprocedure

Usethefollowingprocedureasastartingpointfordiagnosingproblemsyouareexperiencingwithyour
computer:

1.Verifythatthecablesforallattacheddevicesareconnectedcorrectlyandsecurely.

2.Verifythatallattacheddevicesthatrequireacpowerareconnectedtoproperlygrounded,functioning
electricaloutlets.

3.VerifythatallattacheddevicesareenabledintheBIOSsettingsofyourcomputer.Formoreinformation
aboutaccessingandchangingtheBIOSsettings,refertoyourChapter6“UsingtheSetupUtility
program”onpage55.

4.Gotothe“Troubleshooting”onpage37andfollowtheinstructionsforthetypeofproblemyouare
experiencing.IftheTroubleshootinginformationdoesnothelpyouresolveaproblem,continuewiththe
nextstep.

5.Tryusingapreviouslycapturedconfigurationtoseeifarecentchangetohardwareorsoftwaresettings
hascausedaproblem.Beforerestoringapreviousconfiguration,captureyourcurrentconfigurationin
casetheolderconfigurationsettingsdonotsolvetheproblemorhaveadverseaffects.T orestorea
capturedconfiguration,dothefollowing:

•ForWindows7:ClickStart➙ControlPanel➙SystemandSecurity➙System➙System

Protection➙SystemRestore.

36ThinkCentreE93HardwareMaintenanceManual

•ForWindows8orWindows8.1:OpenControlPanel,andthenclickSystemandSecurity➙System
➙SystemProtection➙SystemRestore.

Ifthisdoesnotcorrecttheproblem,continuewiththenextstep.

6.Runthediagnosticprogram.See“LenovoSolutionCenter”onpage53formoreinformation.

•Ifthediagnosticprogramdetectsahardwarefailure,contacttheLenovoCustomerSupportCenter.
See“LenovoSupportWebsite”onpage32

•Ifyouareunabletorunthediagnosticprogram,contacttheLenovoCustomerSupportCenter.See
“LenovoSupportWebsite”onpage32formoreinformation.

•Ifthediagnosticprogramdoesnotdetectahardwarefailure,continuewiththenextstep.

7.Useanantivirusprogramtoseeifyourcomputerhasbeeninfectedbyavirus.Iftheprogramdetectsa
virus,removethevirus.

8.Ifnoneoftheseactionssolvetheproblem,seektechnicalassistance.See“LenovoSupportWeb
site”onpage32formoreinformation.

formoreinformation.

Troubleshooting

Usethetroubleshootinginformationtofindsolutionstoproblemsthathavedefinitesymptoms.

Ifthesymptomyourcomputerisexperiencingoccurredimmediatelyafteryouinstalledanewhardware
optionornewsoftware,dothefollowingbeforereferringtothetroubleshootinginformation:

1.Removethenewhardwareoptionorsoftware.Ifyoumustremovethecomputercovertoremovea
hardwareoption,ensurethatyoureviewandfollowtheelectricalsafetyinformationprovidedwithyour
computer.Foryoursafety,donotoperatethecomputerwiththecoverremoved.

2.Runthediagnosticprogramtoensurethatyourcomputerisoperatingcorrectly.

3.Reinstallthenewhardwareoptionorsoftwarefollowingthemanufacturer'sinstructions.

Selecttheproblemyourcomputerisexperiencingfromthefollowinglist:

•“Audioproblems”onpage37

•“CDproblems”onpage39

•“DVDproblems”onpage40

•“Intermittentproblems”onpage41

•“Keyboard,mouse,orpointingdeviceproblems”onpage42

•“Monitorproblems”onpage44

•“Networkingproblems”onpage46

•“Optionproblems”onpage48

•“Performanceandlockupproblems”onpage49

•“Printerproblems”onpage51

•“Serialportproblems”onpage51

•“Softwareproblems”onpage52

•“USBproblems”onpage53

Audioproblems

Selectyoursymptomfromthefollowinglist:

•“NoaudioinWindows”onpage38

Chapter5.Troubleshootinganddiagnostics37

•“AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitisinsertedintoadrive”
onpage38

•“Soundcomesfromoneexternalspeakeronly”onpage38

•“NoaudioinDOSapplicationsorgames”onpage39

NoaudioinWindows

Symptom:NoaudioinWindows

Actions:

•IfyouareusingpoweredexternalspeakersthathaveanOn/Offcontrol,verifythattheOn/Offcontrolis
settotheOnpositionandthespeakerpowercableisconnectedtoaproperlygrounded,functionalac
electricaloutlet.

•Ifyourexternalspeakershaveavolumecontrol,verifythatthevolumecontrolisnotsettoolow.

•ClickthespeakericonintheWindowsdesktopnotificationarea.Avolume-controlwindowopens.Press
MixertoopentheVolumeMixerwindow.Verifythatthespeakermutebuttonsarenotpressedandthe
volumesettingsarenotsettoolow.

•Somemodelshaveafrontaudiopanelyoucanusetoadjustvolume.Ifyouhaveafrontaudiopanel,
verifythatthevolumeisnotsettoolow.

•Verifythatyourexternalspeakers(andheadphones,ifused)areconnectedtothecorrectaudioconnector
onthecomputer.Mostspeakercablesarecolor-codedtomatchtheconnector.

Note:Whenexternal-speakerorheadphonecablesareattachedtotheaudioconnector,theinternal
speaker,ifpresent,isdisabled.Inmostcases,ifanaudioadapterisinstalledinoneoftheexpansionslots,
theaudiofunctionbuiltintothesystemboardisdisabled;usetheaudiojacksontheadapter.

•EnsurethattheprogramyouarerunningisdesignedforuseintheMicrosoftWindowsoperatingsystem.
IftheprogramisdesignedtoruninDOS,theprogramdoesnotusetheWindowssoundfeatureandmust
beconfiguredtouseSoundBlasterProorSoundBlasteremulation.

•Verifythattheaudiodevicedriversarecorrectlyinstalled.SeeMicrosoftWindowshelpsystemfor
moreinformation.

Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,see“LenovoSupportWebsite”onpage32

.

AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitis
insertedintoadrive

Symptom:AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitisinsertedintoadrive

Action:See“CDproblems”onpage39.

Soundcomesfromoneexternalspeakeronly

Symptom:Soundcomesfromoneexternalspeakeronly.

Actions:

•Ensurethatthespeakercableisinsertedcompletelyintotheconnectoronthecomputer.

•Ensurethatthecablethatattachestheleftspeakertotherightspeakerissecurelyconnected.

•Right-clickthespeakericonintheWindowsdesktopnotificationarea,andthenclickPlaybackdevices.
ClickthePlaybacktab,selectSpeakers,andthenclickProperties.ClickBalanceontheLevelstab,
andverifythattheBalancesettingissetcorrectly.

38ThinkCentreE93HardwareMaintenanceManual

Iftheseactionsdonotcorrecttheproblem,youmighthaveafailingspeaker.Havethespeakerserviced.If
youneedtechnicalassistance,see“LenovoSupportWebsite”onpage32

.

NoaudioinDOSapplicationsorgames

Symptom:NoaudioinDOSapplicationsorgames

Actions:

•EnsurethattheDOSapplicationorgameisconfiguredtouseSoundBlasterProorSoundBlaster
emulation.Refertothedocumentationthatcomeswiththeapplicationorgameforinstructionson
settingsound-cardsettings.

•Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,see“LenovoSupportWebsite”onpage32

.

CDproblems

Selectyoursymptomfromthefollowinglist:

•“AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitisinsertedintoaCD
drive”onpage39

•“ACDorDVDdoesnotwork”onpage39

•“Unabletouseastartable(bootable)recoverymedium,suchastheProductRecoveryCD,tostart
yourcomputer”onpage40

AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitis
insertedintoaCDdrive

Symptom:AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitisinsertedinto
aCDdrive.

Actions:

•IfyouhavemultipleCDorDVDdrivesinstalled(oracombinationofCDandDVDdrives),tryinsertingthe
discintotheotherdrive.Insomecases,onlyoneofthedrivesisconnectedtotheaudiosubsystem.

•IfyouareusingtheWindows7operatingsystem,followtheactionfor“ACDorDVDdoesnotwork”
onpage39.

Ifthisdoesnotcorrecttheproblem,followtheactionfor“ACDorDVDdoesnotwork”onpage39

.

ACDorDVDdoesnotwork

Symptom:ACDorDVDdoesnotwork.

Actions:

•Verifythatthediscisinsertedcorrectly,withitslabelup.

•Ensurethatthediscyouareusingisclean.Toremovedustorfingerprints,wipethedisccleanwithasoft
clothfromthecentertotheoutside.Wipingadiscinacircularmotionmightcauselossofdata.

•Verifythatthediscyouareusingisnotscratchedordamaged.T ryinsertinganotherdiscthatyouknow
isgood.Ifyoucannotreadfromaknown-gooddisc,youmighthaveaproblemwithyourCDorDVD
driveorthecablingtoyourCDorDVDdrive.Ensurethatthepowercableandsignalcablearesecurely
connectedtothedrive.

Chapter5.Troubleshootinganddiagnostics39

Unabletouseastartable(bootable)recoverymedium,suchastheProductRecovery
CD,tostartyourcomputer

Symptom:Unabletouseastartable(bootable)recoverymedium,suchastheProductRecoveryCD,
tostartyourcomputer.

Action:EnsurethattheCDorDVDdriveisinthestartupsequencebeforetheharddiskdrive.Referto
your“Selectingorchangingthestartupdevicesequence”onpage58forinformationonviewingand
changingthestartupsequence.Notethatonsomemodelsthestartupsequenceispermanentlysetand
cannotbechanged.

Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,see“LenovoSupportWebsite”onpage32

.

DVDproblems

Selectyoursymptomfromthefollowinglist:

•“BlackscreeninsteadofDVDvideo”onpage40

•“DVDmoviewillnotplay”onpage40

•“NoaudioorintermittentaudiowhileplayingDVDmovie”onpage40

•“Playbackisverysloworchoppy”onpage41

•“Invaliddiscornodiscfoundmessage”onpage41

BlackscreeninsteadofDVDvideo

Symptom:BlackscreeninsteadofDVDvideo

Actions:

•RestarttheDVDplayerprogram.

•Closeanyopenfiles,turnoffthecomputer,andthenrestartthecomputer.

•T ryalowerscreenresolutionorcolordepth.

Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,see“LenovoSupportWebsite”onpage32

.

DVDmoviewillnotplay

Symptom:DVDmoviewillnotplay.

Actions:

•Ensurethatthediscsurfaceiscleanandnotscratched.

•Checkthediscorpackageforregionalcoding.Youmightneedtopurchaseadiscwithcodingfor
theregionwhereyouareusingyourcomputer.

Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,see“LenovoSupportWebsite”onpage32

.

NoaudioorintermittentaudiowhileplayingDVDmovie

Symptom:NoaudioorintermittentaudiowhileplayingDVDmovie.

Actions:

•Checkthevolumecontrolsettingsonyourcomputerandonyourspeakers.

40ThinkCentreE93HardwareMaintenanceManual

•Ensurethatthediscsurfaceiscleanandnotscratched.

•Checkallcableconnectionstoandfromthespeakers.

•UsetheDVDmenuforthevideotoselectadifferentaudiotrack.

Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,see“LenovoSupportWebsite”onpage32.

Playbackisverysloworchoppy

Symptom:Playbackisverysloworchoppy.

Actions:

•Disableanybackgroundprograms,suchasAntiVirusorDesktopThemes.

•Ensurethatvideoresolutionissettolessthan1152x864.

Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,see“LenovoSupportWebsite”onpage32

.

Invaliddiscornodiscfoundmessage

Symptom:Invaliddiscornodiscfoundmessage

Actions:

•EnsurethataDVDdiscisinthedrivewiththeshinysideofthediscfacingdown.

•Ensurethatvideoresolutionissettolessthan1152x864.

•OncomputersthathaveaCD-ROMorCD-RWdriveinadditiontoaDVD-ROMdrive,ensurethatthe
DVDdiscisinthedrivelabeled“DVD”.

Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,see“LenovoSupportWebsite”onpage32.

Intermittentproblems

Symptom:Aproblemoccursonlyoccasionallyandisdifficulttorepeat.

Actions:

•Verifythatallcablesandcordsaresecurelyconnectedtothecomputerandattacheddevices.

•Verifythatwhenthecomputerison,thefangrillisnotblocked(thereisairflowaroundthegrill),andthe
fansareworking.Ifairflowisblockedorthefansarenotworking,thecomputermightoverheat.

•IfSCSIdevicesareinstalled,verifythatthelastexternaldeviceineachSCSIchainisterminatedcorrectly.
(SeeyourSCSIdocumentation.)

Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,see“LenovoSupportWebsite”onpage32

.

Harddiskdriveproblems

Selectyoursymptomfromthefollowinglist:

•“SomeorallharddiskdrivesmissingfromtheSetupUtilityprogram”onpage42

•“"NoOperatingSystemFound"messageorthesystemnotstartingfromthecorrectharddiskdrive”
onpage42

Chapter5.Troubleshootinganddiagnostics41

SomeorallharddiskdrivesmissingfromtheSetupUtilityprogram

Symptom:SomeorallharddiskdrivesmissingfromtheSetupUtilityprogram

Actions:

•Ensurethatallharddiskdrivesignalcablesandpowercablesareconnectedcorrectly.

•Ensurethatyourcomputerisconfiguredcorrectlytosupporttheharddiskdrives.
–IfyourcomputerisinstalledwithfiveSATAharddiskdrives,ensurethattheSATAharddiskdrive

enablementmodule(onetofiveharddiskdrives)isinstalled.

–IfyourcomputerisinstalledwithSASharddiskdrives,ensurethattheSASharddiskdriveenablement

module(onetofiveharddiskdrives)ortheLSIMegaRAIDSASadapterisinstalled.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprogramLenovoSolutionCenter.See“Lenovo
SolutionCenter”onpage53

.Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage32.

"NoOperatingSystemFound"messageorthesystemnotstartingfromthecorrect
harddiskdrive

Symptom:"NoOperatingSystemFound"messageorthesystemnotstartingfromthecorrectharddiskdrive

Actions:

•Ensurethatallharddiskdrivesignalcablesandpowercablesareconnectedcorrectly.Referto
“Replacingtheharddiskdrive”onpage84.

•EnsurethattheharddiskdriveyourcomputerstartsfromislistedasthefirststartupdeviceintheSetup
Utilityprogram.Referto“Selectingastartupdevice”onpage58.

Note:Inrarecases,theharddiskdrivewiththeoperatingsystemmightgetcorruptedordamaged.Insuch
cases,youmightneedtoreplacetheharddiskdrive.Referto“Replacingtheharddiskdrive”onpage84.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprogramLenovoSolutionCenter.See
“LenovoSolutionCenter”onpage53
drive”onpage84

.

.Ifyouneedtechnicalassistance,see“Replacingtheharddisk

Keyboard,mouse,orpointingdeviceproblems

Selectyoursymptomfromthefollowinglist:

•“Allorsomekeysonthekeyboarddonotwork”onpage42

•“Themouseorpointingdevicedoesnotwork”onpage43

•“Thepointeronthescreendoesnotmovesmoothlywiththemouse”onpage44

•“Thefingerprintreaderdoesnotwork”onpage44

•“Thewirelesskeyboarddoesnotwork”onpage44

Allorsomekeysonthekeyboarddonotwork

Symptom:Allorsomekeysonthekeyboarddonotwork.

Actions:

•Verifythatthekeyboardcableissecurelyconnectedtothecorrectconnectoronthecomputer.

•IfyouareusinganEnhancedPerformanceUSBkeyboardandoneormoreoftheRapidAccessbuttons
aretheonlykeysthatarenotworking,thesebuttonsmighthavebeendisabledorhavenotbeenassigned
toafunction.UsethehelpsystemintheEnhancedPerformanceCustomizationKeyboardprogramto
helpdiagnoseproblemswiththeRapidAccessbuttons.

42ThinkCentreE93HardwareMaintenanceManual

ToopentheEnhancedPerformanceCustomizationKeyboardprogram,dooneofthefollowing:
–OntheWindows7operatingsystem,dothefollowing:

1.ClickStart➙ControlPanel.

2.ClickHardwareandSound.

3.ClickDevicesandPrinters.

4.Double-clickUSBEnhancedPerformanceKeyboard.TheUSBEnhancedPerformance
KeyboardCustomizationprogramstarts.

–OntheWindows8orWindows8.1operatingsystem,dothefollowing:

1.OpenControlPanel.

2.ClickHardwareandSound.

3.ClickDevicesandPrinters.

4.Double-clickUSBEnhancedPerformanceKeyboard.TheUSBEnhancedPerformance
KeyboardCustomizationprogramstarts.

Iftheseactionsdonotcorrecttheproblem,havethecomputerandkeyboardserviced.See“Lenovo
SupportWebsite”onpage32

fordetails.

Themouseorpointingdevicedoesnotwork

Symptom:Themouseorpointingdevicedoesnotwork.

Actions:

•Verifythatthemouseorpointing-devicecableissecurelyattachedtothecorrectconnectoronthe
computer.Dependingonthetypeofmouseyouhave,themousecablewillconnecttoeitherthe
mouse,serial,orUSBconnector.SomekeyboardshaveintegratedUSBconnectorsthatcanbeused
foraUSBmouseorpointingdevice.

•Verifythatthedevicedriversforthemouseorpointingdeviceareinstalledcorrectly.

•IfyouareusingaUSBkeyboardormouse,verifythattheUSBconnectorsareenabledintheBIOS
settings.See“Enablingordisablingadevice”onpage57

Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,see“LenovoSupportWebsite”onpage32

Opticalmouse

Thissectionprovidesinstructionsonhowtocleananopticalmouse.

Anopticalmouseusesalight-emittingdiode(LED)andanopticalsensortonavigatethepointer.Ifthe
pointeronthescreendoesnotmovesmoothlywiththeopticalmouse,youmightneedtocleanthemouse.

Tocleananopticalmouse,dothefollowing:

1.Turnoffyourcomputer.

2.Disconnectthemousecablefromthecomputer.

3.Turnthemouseupsidedowntocheckthelens.
a.Ifthereisasmudgeonthelens,gentlycleantheareawithaplaincotton-tippedswab.
b.Ifthereisdebrisinthelens,gentlyblowthedebrisawayfromthearea.

4.Checkthesurfaceonwhichyouareusingthemouse.Ifyouhaveaveryintricatepictureorpattern
beneaththemouse,itmaybedifficultforthedigitalsignalprocessor(DSP)todeterminechanges
inthemouseposition.

.

.

Chapter5.Troubleshootinganddiagnostics43

5.Reconnectthemousecabletothecomputer.

6.Turnyourcomputerbackon.

Thepointeronthescreendoesnotmovesmoothlywiththemouse

Symptom:Thepointeronthescreendoesnotmovesmoothlywiththemouse.

Action:Erraticmovementofthemousepointerisgenerallycausedbyabuildupofdirt,oils,andother
contaminantsontheballinsidethemouse.Cleanthemouse.See“Opticalmouse”onpage43for
instructions.

Thefingerprintreaderdoesnotwork

Symptom:Thefingerprintreaderdoesnotwork.

Action:Thefollowingcouldcausethefingerprintreadernottooperateproperly:

•Notenrollingyourfingerprintcorrectly.

•Scratchingthesurfaceofthereaderwithahard,pointedobject.

•Scrapingthesurfaceofthereaderwithyournailoranythinghard.

•Usingortouchingthereaderwithadirtyfinger.

•Thesurfaceofyourfingerisverydifferentfromwhenyouenrolledyourfingerprint.

Thewirelesskeyboarddoesnotwork

Symptom:Thewirelesskeyboarddoesnotwork.

Action:IftheTransceiverCommunicationsLEDisonandthewirelessKeyboarddoesnotwork,restartyour
computer.Ifrestartingyourcomputerdoesnotsolvetheproblem,verifythatthefollowingconditionsaremet:

•Thebatteriesareproperlyinstalled.

•Thebatteriesstillretaintheircurrent.

•ThewirelessKeyboardislocatedlessthantenmetersawayfromthetransceiver.

•Thetransceiverisfullyinstalled.

Action:IftheTransceiverCommunicationsLEDisnoton,reconnectthetransceiverandthekeyboard.

Monitorproblems

Note:Manymonitorshavestatus-indicatorlightsandbuilt-incontrolsforadjustingbrightness,contrast,

width,height,andotherpictureadjustments.However,thecontrolsvaryfrommonitortypetomonitortype.
Forinformationaboutthestatuslightsandusingthecontrols,refertothedocumentationthatcomes
withyourmonitor.

Selectyoursymptomfromthefollowinglist:

•“Wrongcharactersappearonthescreen”onpage45

•“Themonitorworkswhenyouturnonthecomputer,butgoesblankaftersomeperiodofcomputer
inactivity”onpage45

•“Themonitorworkswhenyouturnonthecomputer,butgoesblankwhenyoustartsomeapplication
programs”onpage45

•“Theimageappearstobeflickering”onpage45

•“Theimageisdiscolored”onpage46

44ThinkCentreE93HardwareMaintenanceManual

Wrongcharactersappearonthescreen

Symptom:Wrongcharactersappearonthescreen.

Action:Havethecomputerserviced.Fordetails,see“LenovoSupportWebsite”onpage32

.

Themonitorworkswhenyouturnonthecomputer,butgoesblankaftersomeperiod
ofcomputerinactivity

Symptom:Themonitorworkswhenyouturnonthecomputer,butgoesblankaftersomeperiodofcomputer
inactivity.

Action:Thecomputerisprobablysetforenergysavingswiththepower-managementfeature.Ifthe
power-managementfeatureisenabled,disablingitorchangingthesettingsmightsolvetheproblem.

Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,see“LenovoSupportWebsite”onpage32

.

Themonitorworkswhenyouturnonthecomputer,butgoesblankwhenyoustart
someapplicationprograms

Symptom:Themonitorworkswhenyouturnonthecomputer,butgoesblankwhenyoustartsome
applicationprograms.

Actions:

•Ensurethatthemonitorsignalcableissecurelyconnectedtothemonitorandthemonitorconnectoron
thecomputer.Aloosecablecancauseintermittentproblems.

•Verifythatthenecessarydevicedriversfortheapplicationprogramsareinstalled.Refertothe
documentationfortheaffectedapplicationprogramtoseeifdevicedriversarerequired.

Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,see“LenovoSupportWebsite”onpage32.

Theimageappearstobeflickering

Symptom:Theimageappearstobeflickering.

Actions:

•Themonitormightbeoperatinginalow-refreshratedisplaymode.Setthemonitortothehighest,
noninterlacedrefreshratesupportedbyyourmonitorandthevideocontrollerinyourcomputer.

Attention:Usingaresolutionorrefreshratethatisnotsupportedbyyourmonitormightdamageit.
Checkthedocumentationthatcomeswithyourmonitortoverifythesupportedrefreshrates.

•Themonitormightbeaffectedbyinterferencefromnearbyequipment.Magneticfieldsaroundother
devices,suchastransformers,appliances,fluorescentlights,andothermonitorsmightbecausingthe
problem.Movefluorescentdesklightingoranyequipmentthatproducesmagneticfieldsfartheraway
fromthemonitor.Ifthisdoesnotcorrecttheproblem,dothefollowing:

1.Turnoffthemonitor.(Movingacolormonitorwhileitisturnedonmightcausescreendiscoloration.)

2.Adjusttheplacementofthemonitorandotherdevicessothattheyareatleast305mm(12inches)
apart.

3.Turnonthemonitor.

•Y oucanresettherefreshratethroughyouroperatingsystemControlPanel:
OntheWindows7operatingsystem,clickStart➙ControlPanel➙HardwareandSound➙Adjust

screenresolution➙AdvancedSettings.ThenclicktheMonitortabandselectanewrefreshrate.

Chapter5.Troubleshootinganddiagnostics45

OntheWindows8orWindows8.1operatingsystem,openControlPanelandclickHardwareand
Sound➙Adjustscreenresolution➙AdvancedSettings.ThenclicktheMonitortabandselecta
newrefreshrate.

•Seeyouroperatingsystemdocumentationorhelpforfurtherinformationonmonitorsettings.

Iftheseactionsdonotcorrecttheproblem,yourmonitormightneedservice.See“LenovoSupportWeb
site”onpage32

fordetails.

Theimageisdiscolored

Symptom:Theimageisdiscolored.

Action:Themonitormightbeaffectedbyinterferencefromnearbyequipment.Magneticfieldsaroundother
devices,suchastransformers,appliances,fluorescentlights,andothermonitorsmightbecausingthe
problem.Movefluorescentdesklightingoranyequipmentthatproducesmagneticfieldsfurtherawayfrom
themonitor.Ifthisdoesnotcorrecttheproblem,dothefollowing:

1.Turnoffthemonitor.(Movingacolormonitorwhileitisturnedonmightcausescreendiscoloration.)

2.Adjusttheplacementofthemonitorandotherdevicessothattheyareatleast305mm(12inches)apart.

3.Turnonthemonitor.

Iftheseactionsdonotcorrecttheproblem,yourmonitormightneedservice.See“LenovoSupportWeb
site”onpage32fordetails.

Networkingproblems

Thefollowingarethemostcommonnetworkingproblems.Selectyournetworkingproblemfromthe
followinglist:

•“Ethernetproblems”onpage46

•“AwirelessLANproblem”onpage48

•“Bluetoothproblem”onpage48

Ethernetproblems

ForEthernetproblems,selectyoursymptomfromthefollowinglist:

•“Yourcomputercannotconnecttothenetwork”onpage46

•“Theadapterstopsworkingfornoapparentreason”onpage47

•“IfyourcomputerisaGigabitEthernetmodelandyouuseaspeedof1000Mbps,theconnectionfails
orerrorsoccur”onpage47

•“IfyourcomputerisaGigabitEthernetmodel,itcannotconnecttothenetworkat1000Mbps.Instead,
itconnectsat100Mbps”onpage48

Yourcomputercannotconnecttothenetwork

Symptom:Yourcomputercannotconnecttothenetwork.

Actions:Ensurethat:

•Thecableisinstalledproperly.
ThenetworkcablemustbesecurelyconnectedtoboththeEthernetconnectorofyourcomputerand

theRJ45connectorofthehub.Themaximumallowabledistancefromthecomputertohubis100
meters.Ifthecableisconnectedandthedistanceiswithinacceptablelimitsbuttheproblempersists,try
adifferentcable.

•Thecableisinstalledproperly.

46ThinkCentreE93HardwareMaintenanceManual

•Y ouareusingthecorrectdevicedriver.
OntheWindows7operatingsystem,dothefollowing:

1.ClickStart➙ControlPanel.

2.ClickHardwareandSound.

3.ClickDeviceManager.Ifyouarepromptedforanadministratorpasswordorconfirmation,typethe
passwordorprovideconfirmation.

4.IfanexclamationmarkisdisplayednexttoanadapternameunderNetworkadapters,youmight
notbeusingthecorrectdriverorthedriverisnotenabled.Toupdatethedriver,right-clickthe
highlightedadapter.

5.ClickUpdateDriverSoftware,andthenfollowtheinstructionsonthescreen.

OntheWindows8orWindows8.1operatingsystem,dothefollowing:

1.OpenControlPanel.

2.ClickHardwareandSound.

3.ClickDeviceManager.Ifyouarepromptedforanadministratorpasswordorconfirmation,typethe
passwordorprovideconfirmation.

4.IfanexclamationmarkisdisplayednexttoanadapternameunderNetworkadapters,youmight
notbeusingthecorrectdriverorthedriverisnotenabled.Toupdatethedriver,right-clickthe
highlightedadapter.

5.ClickUpdateDriverSoftware,andthenfollowtheinstructionsonthescreen.

•Theswitchportandtheadapterhavethesameduplexsetting.
Ifyouconfiguredtheadapterforfullduplex,ensurethattheswitchportisalsoconfiguredforfullduplex.

Settingthewrongduplexmodecandegradeperformance,causedataloss,orresultinlostconnections.

•Y ouhaveinstalledallnetworkingsoftwarethatisnecessaryforyournetworkenvironment.
Checkwithyourlocalareanetwork(LAN)administratorforthenecessarynetworkingsoftware.

Theadapterstopsworkingfornoapparentreason

Symptom:Theadapterstopsworkingfornoapparentreason.

Action:Thenetworkdriverfilesmaybecorruptormissing.Updatethedriverbyreferringtothe“Solution”
descriptionfortheproceduretoensurethatthecorrectdevicedriverisinstalled.

TheWakeonLANfeatureisnotworking

Symptom:TheWakeonLAN(WOL)featureisnotworking.

Actions:

•EnsurethatWOLisenabledintheBIOSSetupUtilityprogram.

•Ifitis,checkwithyourLANadministratorforthenecessarysettings.

IfyourcomputerisaGigabitEthernetmodelandyouuseaspeedof1000Mbps,theconnection
failsorerrorsoccur

Symptom:IfyourcomputerisaGigabitEthernetmodelandyouuseaspeedof1000Mbps,theconnection
failsorerrorsoccur.

Actions:

•UseCategory5wiringandensurethatthenetworkcableissecurelyconnected.

•Connecttoa1000BASE-Thub/switch(not1000BASE-X).

Chapter5.Troubleshootinganddiagnostics47

IfyourcomputerisaGigabitEthernetmodel,itcannotconnecttothenetworkat1000Mbps.Instead,
itconnectsat100Mbps

Symptom:IfyourcomputerisaGigabitEthernetmodel,itcannotconnecttothenetworkat1000Mbps.
Instead,itconnectsat100Mbps.

Actions:

•T ryanothercable.

•Ensurethatthelinkpartnerissettoauto-negotiate.

•Ensurethattheswitchis802.3ab-compliant(gigabitovercopper).

AwirelessLANproblem

Symptom:Youcannotconnectusingthebuilt-inwirelessnetworkingcard.

Actions:

•MakesurethatyourwirelessLANdriveristhelatestversion.ChecktheWebsiteandverifythedriver
versionsupportedbyAccessConnectionsisthelatestdocumentedinthereadmefile.

•Makesurethatyourcomputeriswithinrangeofawirelessaccesspoint.

•Makesurethatthewirelessradioisenabledbydouble-clickingtheAccessConnectionsiconinthe
Windowsnotificationarea.

•CheckNetworkName(SSID),andyourencryptioninformation.UseAccessConnectionstoverifythis
case-sensitiveinformation.

Bluetoothproblem

Symptom:SounddoesnotcomefromtheBluetoothheadsetorheadphonebutcomesfromthelocal
speakereventhoughtheheadsetorheadphoneisconnectedusingtheHeadsetprofileorAVprofile.

Action:Dothefollowing:

1.Exittheapplicationthatusesthesounddevice(forexample,WindowsMedia

2.OpenControlPanel.

3.ClickHardwareandSound➙Sound.

4.SelectthePlaybacktab.

5.IfyouareusingtheHeadsetprofile,selectBluetoothHands-freeAudioandclicktheSetDefault
button.IfyouareusingtheAVprofile,selectStereoAudioandclicktheSetDefaultbutton.

6.ClickOKtoclosetheSoundwindow.

Note:Bluetoothissupportedonlyonsomecomputermodels.

®

Player).

Optionproblems

UsethisinformationtodiagnoseproblemswithLenovohardwareoptionsthatdonothavetheirown
troubleshootinginformation.

Selectyoursymptomfromthefollowinglist:

•“Anoptionthatwasjustinstalleddoesnotwork”onpage48

•“Anoptionthatpreviouslyworkeddoesnotworknow”onpage49

Anoptionthatwasjustinstalleddoesnotwork

Symptom:Anoptionthatwasjustinstalleddoesnotwork.

48ThinkCentreE93HardwareMaintenanceManual

Action:Verifythat:

•Theoptionisdesignedforyourcomputer.

•Y oufollowedtheinstallationinstructionssuppliedwiththeoptionandtheinstallationinstructionsprovided
withyourcomputer,andalloptionfiles(suchasdevicedrivers,ifrequired)areinstalledcorrectly.

•Y ouhavenotloosenedotherinstalledoptionsorcables.

•Iftheoptionisanadapter,youhaveprovidedenoughhardwareresourcesfortheadaptertofunction
correctly.Seethedocumentationsuppliedwiththeadapter(aswellasthedocumentationforanyother
installedadapters)todeterminetheresourcesrequiredforeachadapter.

Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,see“LenovoSupportWebsite”onpage32

.

Anoptionthatpreviouslyworkeddoesnotworknow

Symptom:Anoptionthatpreviouslyworkeddoesnotworknow.

Actions:

•Verifythatalloptionhardwareandcableconnectionsaresecure.

•Iftheoptioncomeswithitsowntestinstructions,usethoseinstructionstotesttheoption.

•IfthefailingoptionisaSCSIoption,verifythat:
–ThecablesforallexternalSCSIoptionsareconnectedcorrectly.

–ThelastoptionineachSCSIchain,ortheendoftheSCSIcable,isterminatedcorrectly.
–AllexternalSCSIoptionsareturnedon.ExternalSCSIoptionsmustbeturnedonbeforethecomputer

isturnedon.Formoreinformation,seeyourSCSIdocumentation.

•Verifythattheoptionandanyrequireddevicedriversareinstalledcorrectly.

Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,see“LenovoSupportWebsite”onpage32

.

Performanceandlockupproblems

Poorperformanceandlockupproblemscanbearesultofanyofthefollowing:

•“Insufficientfreeharddiskdrivespace”onpage49

•“Excessivenumberoffragmentedfiles”onpage50

Makeaselectionfromtheabovelisttofindoutmoreaboutthecorrectiveactionsyoucantake.

Insufficientfreeharddiskdrivespace

Symptom:Insufficientfreeharddiskdrivespace

TheWindowsoperatingsystemwillslowdownandmightproduceerrorsiftheharddiskdrivegetstoofull.

TochecktheamountoffreespaceontheWindows7operatingsystem,dothefollowing:

1.ClickStart➙Computer.

2.Right-clickyourCdriveentryandthenclickProperties.Theamountoffreediskspaceisdisplayed.

TochecktheamountoffreespaceontheWindows8operatingsystem,dothefollowing:

1.OpenFileExplorerandclickComputer.

2.Right-clickyourCdriveentryandthenclickProperties.Theamountoffreediskspaceisdisplayed.

Chapter5.Troubleshootinganddiagnostics49

TochecktheamountoffreespaceontheWindows8.1operatingsystem,dothefollowing:

1.OpenFileExplorer.

2.Right-clickyourCdriveentryandthenclickProperties.Theamountoffreediskspaceisdisplayed.

Tofreeupdiskspace,doanyofthefollowing:

•Method1

1.OntheWindows7operatingsystem,clickStart➙Computer.OntheWindows8operatingsystem,
openFileExplorerandclickComputer.OntheWindows8.1operatingsystem,openFileExplorer.

2.Right-clickyourCdriveentryandthenclickProperties.

3.ClickDiskCleanup.

4.Alistofunnecessaryfilecategoriesisdisplayed.Selecteachfilecategoryyouwanttodelete,
andthenclickOK.

•Method2

1.OpenControlPanel.

2.ClickPrograms.

3.ClickT urnWindowsfeaturesonoroff.

4.AlistofoptionalWindowscomponentsisdisplayed.Followtheinstructionsonthescreen.

•Method3

1.OntheWindows7operatingsystem,clickStart➙Computer.OntheWindows8operatingsystem,
openFileExplorerandclickComputer.OntheWindows8.1operatingsystem,openFileExplorer.

2.Right-clickyourCdriveentryandthenclickProperties.

3.ClickDiskCleanup.

4.ClickCleanupsystemfiles.

5.ClicktheMoreOptionstab.

6.IntheProgramsandFeaturesarea,clicktheCleanupbutton.

7.Alistofinstalledprogramsisdisplayed.Selecttheprogramthatyouwanttoremove.Click
Uninstall/ChangeorUninstall.

•CleanoutyourInbox,SentItems,andDeletedItemsfoldersfromyoure-mailapplication.Thefolder
namesandproceduresvarydependingonyoure-mailapplication.Ifyouneedassistance,seethe
helpsystemforyoure-mailapplication.

Excessivenumberoffragmentedfiles

Symptom:Excessivenumberoffragmentedfiles

Action:RuntheWindowsDiskDefragmenterprogram.

Note:Dependingonthesizeoftheharddiskdriveandamountofdatacurrentlystoredontheharddisk
drive,thedisk-defragmentationprocessmighttakeuptoseveralhourstocomplete.

OntheWindows7operatingsystem,dothefollowing:

1.Closeanyprogramsthatarecurrentlyrunningandcloseanyopenwindows.

2.ClickStart➙Computer.

3.Right-clickyourCdriveentryandthenclickProperties.

4.ClicktheToolstab.

5.ClickDefragmentNow,thenclickContinue.

50ThinkCentreE93HardwareMaintenanceManual

6.ClickDefragmentNowagaintostartadisk-defragmentationprocess.

OntheWindows8orWindows8.1operatingsystem,dothefollowing:

1.Closeanyprogramsthatarecurrentlyrunningandcloseanyopenwindows.

2.OnWindows8,openFileExplorerandclickComputer.OnWindows8.1,openFileExplorer.

3.Right-clickyourCdriveentryandthenclickProperties.

4.ClicktheToolstabandthenclickOptimize.

5.ClickOptimizeintheOptimizeDriveswindowthatisdisplayedtostartadisk-defragmentationprocess.

Insufficientmemory

Symptom:Insufficientmemory

Ingeneral,themorememorythatisinstalled,thebettertheWindowsoperatingsystemruns.

Action:Installadditionalmemory.Forinformationaboutpurchasingmemory,see“LenovoSupportWeb
site”onpage32
module”onpage105

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on
page53forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage32.

.Forstep-by-stepinstructionsoninstallingmemory,see“Installingorreplacingamemory

.

Printerproblems

Symptom:Theprinterdoesnotwork.

Actions:Verifythat:

1.Theprinteristurnedonandisonline.

2.Paperisloadedcorrectly.

3.Theprintersignalcableissecurelyconnectedtothecorrectparallel,serial,orUSBconnectoronthe
computer.

Note:Non-IEEE-approvedprintersignalcablesmightcauseunpredictableproblems.

1.Anydevicedriversandothersoftwarethatcamewiththeprinterarecorrectlyinstalled.

2.Youhaveassignedtheprinterportcorrectlyinyouroperatingsystem,applicationprogram,orBIOS
settings.FormoreinformationaboutBIOSsettings,seeChapter6“UsingtheSetupUtilityprogram”
onpage55

Iftheproblempersists,runthetestsdescribedinthedocumentationthatcomeswithyourprinter.Ifyou
cannotcorrecttheproblem,havethecomputerserviced.See“LenovoSupportWebsite”onpage32

.

Serialportproblems

Usethisinformationtotroubleshoottheserialportanddevicesattachedtotheserialport.

Symptom:Serialportcannotbeaccessed.

Actions:

.

•Ensurethattheserialcableissecurelyconnectedtotheserialportonthecomputerandtotheserial
device.Iftheserialdevicehasitsownpowercord,ensurethatitisattachedtoaproperlygrounded
electricaloutlet.

•IftheserialdevicehasitsownOn/Offswitch,ensurethatitisintheOnposition.

Chapter5.Troubleshootinganddiagnostics51

•IftheserialdevicehasanOnlineswitch,ensurethatitisintheOnlineposition.

•Iftheserialdeviceisaprinter,ensurethatpaperisloadedcorrectly.

•Verifythatanysoftwaresuppliedwiththeserialdeviceiscorrectlyinstalled.Refertothedocumentation
fortheserial-deviceoption.

•Ensurethattheserial-portadapter,ifyouaddedone,isproperlyinstalledandfirmlyseated.

Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,see“LenovoSupportWebsite”onpage32.

Softwareproblems

Selectyoursymptomfromthefollowinglist:

•“Whenusingasortfeature,datesdonotsortinthecorrectorder”onpage52

•“Softwaredoesnotworkasexpected”onpage52

Whenusingasortfeature,datesdonotsortinthecorrectorder

Symptom:Whenusingasortfeature,datesdonotsortinthecorrectorder.

Action:Somesoftwaredevelopedbeforetheyear2000usedonlythelasttwodigitsofayeartosort
dates,alwaysassumingthefirsttwodigitswere19.Consequently,theseprogramssortdatesoutoforder.
Checkwithyoursoftwaremanufacturertoseeifanyupdatesareavailable.Manysoftwaremanufacturers
makeupdatesavailablefromtheWorldWideWeb.

Softwaredoesnotworkasexpected

Symptom:Softwaredoesnotworkasexpected.

Actions:

•Mostsoftwareprogramshavebuilt-inhelpsystemsthatprovideinstructionsformosttasks.Ifyouare
havingdifficultyperformingaspecifictaskwithinasoftwareprogram,refertothehelpsystemforthat
program.Helpsystemsaretypicallyaccessiblefromamenuorbuttonintheprogram,andfrequently
fromtheF1key.

•IfyouhavedifficultywiththeWindowsoperatingsystemoroneofitscomponents,refertotheWindows
helpsystem.ItisaccessiblefromtheWindowsStartmenu.

•T odetermineifproblemsarecausedbynewlyinstalledsoftware,verifythat:
–Y ourcomputerhastheminimummemoryrequirementsneededtousethesoftware.Seethe

informationsuppliedwiththesoftwaretoverifymemoryrequirements.(Ifyoujustinstalledanadapter

ormemory,youmighthaveamemory-addressconflict.)
–Thesoftwareisdesignedtooperateonyourcomputer.
–Othersoftwareworksonyourcomputer.
–Thesoftwareyouareusingworkscorrectlyonanothercomputer.

•Ifyoureceivedanyerrormessageswhileusingthesoftwareprogram,seetheprinteddocumentation
suppliedwiththesoftwareorthehelpsystemforthatsoftwareforadescriptionofthemessagesand
solutionstotheproblem.

•Checkwithyoursoftwaremanufacturertoseeifanyupdatesareavailable.Manysoftwaremanufacturers
makeupdatesavailablefromtheWorldWideWeb.

•Ifthesoftwareprogramusedtoworkcorrectly,butdoesnotworkcorrectlynow,dothefollowing:
–OntheWindows7operatingsystem,clickStart➙ControlPanel➙SystemandSecurity➙System

➙SystemProtection➙SystemRestore.Then,followtheinstructionsonthescreen.

52ThinkCentreE93HardwareMaintenanceManual

–OntheWindows8orWindows8.1operatingsystem,openControlPanelandclickSystemand

Security➙System➙SystemProtection➙SystemRestore.Then,followtheinstructionson

thescreen.

•Ifyouareunabletoresolvetheproblemthroughothermethods,uninstallthesoftwareprogramand
reinstallit.

Iftheseactionsdonotcorrecttheproblem,youmightneedtechnicalassistance.Contactyoursoftware
manufacturerorsee“LenovoSupportWebsite”onpage32

fordetails.

USBproblems

Symptom:TheUSBconnectorscannotbeaccessed.

Actions:

•EnsurethattheUSBcableissecurelyconnectedtotheUSBconnectorandtotheUSBdevice.IftheUSB
devicehasitsownpowercord,ensurethatitisattachedtoaproperlygroundedelectricaloutlet.

•IftheUSBdevicehasitsownOn/Offswitch,ensurethatitisintheOnposition.

•IftheUSBdevicehasanOnlineswitch,ensurethatitisintheOnlineposition.

•IftheUSBdeviceisaprinter,ensurethatpaperisloadedcorrectly.

•EnsurethatanydevicedriversorothersoftwaresuppliedwiththeUSBdeviceiscorrectlyinstalled.
RefertothedocumentationfortheUSBdevice.

•ResetthedevicebydetachingandreattachingtheUSBconnector.

Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogramtotesttheUSB
connector.IftheUSBdevicecamewithitsowndiagnostics,runthosediagnosticsagainsttheUSBdevice.
Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage32

.

Diagnostics

Thediagnosticprogramisusedtotesthardwarecomponentsofyourcomputer.Thediagnosticprogramcan
alsoreportoperating-system-controlledsettingsthatinterferewiththecorrectoperationofyourcomputer.
Youcanusethepreinstalleddiagnosticprogramtodiagnosecomputerproblems,ifyourcomputeris
runningtheWindowsoperatingsystem.

Notes:

1.YourcomputerispreinstalledwiththeLenovoSolutionCenterprogramfordiagnosticpurposes.For
moreinformationabouttheLenovoSolutionCenterprogram,see“LenovoSolutionCenter”onpage53

2.Ifyouareunabletoisolateandrepairtheproblemyourselfafterrunningthediagnosticprogram,save
andprintthelogfilescreatedbythediagnosticprogram.Y ouwillneedthelogfileswhenyouspeaktoa
Lenovotechnicalsupportrepresentative.

LenovoSolutionCenter

TheLenovoSolutionCenterprogramenablesyoutotroubleshootandresolvecomputerproblems.It
combinesdiagnostictests,systeminformationcollection,securitystatus,andsupportinformation,along
withhintsandtipsformaximumsystemperformance.

.

Notes:

•TheLenovoSolutionCenterprogramcanbedownloadedfromhttp://www.lenovo.com/diags.

•IfyouareusingaWindowsoperatingsystemotherthanWindows7,Windows8,orWindows8.1,goto
http://www.lenovo.com/diagsforthelatestinformationondiagnosticsforyourcomputer.

Chapter5.Troubleshootinganddiagnostics53

ToruntheLenovoSolutionCenterprogram,see“Lenovoprograms”onpage30.

Foradditionalinformation,refertotheLenovoSolutionCenterhelpsystem.

Note:Ifyouareunabletoisolateandrepairtheproblemyourselfafterrunningtheprogram,saveandprint
thelogfiles.YouwillneedthelogfileswhenyouspeaktoaLenovotechnicalsupportrepresentative.

UEFIdiagnosticprogram

AUEFIdiagnosticprogramispreinstalledonthecomputer.Itenablesyoutotestmemorymodulesand
internalstoragedevices,viewsysteminformation,andcheckandrecoverbadsectorsoninternalstorage
devices.

ToruntheUEFIdiagnosticprogram,dothefollowing:

1.Turnonthecomputer.Ifthecomputercannotbeturnedon,goto“Basictroubleshooting”onpage

35.Ifanerrorcodeisdisplayed,gotoChapter7“Symptom-to-FRUIndex”onpage61forerrorcode
descriptionsandtroubleshootinghints.

2.RepeatedlypressandreleasetheF10keywhenturningonthecomputer.Themainscreenofthe
UEFIdiagnosticprogramisdisplayed.

3.Followtheinstructionsonthescreentousethediagnosticprogram.

Theoptionsonthemainscreenareasfollows:

Table2.ItemsonthemainscreenoftheUEFIdiagnosticprogram

DIAGNOSTICSTOOLS

•LCDtest

•Memory-Quicktest

•Memory-Extendedtest

•Motherboardtest

•PCI-etest

•Storage-Quicktest

•Systeminformation

•Recoverbadsectorstool

•Generateconfigurationfile

•Executefromconfigurationfile

•Exitapplication

54ThinkCentreE93HardwareMaintenanceManual

Chapter6.UsingtheSetupUtilityprogram

TheSetupUtilityprogramisusedtoviewandchangetheconfigurationsettingsofyourcomputer,regardless
ofwhichoperatingsystemyouareusing.However,theoperatingsystemsettingsmightoverrideanysimilar
settingsintheSetupUtilityprogram.

StartingtheSetupUtilityprogram

TostarttheSetupUtilityprogram,dothefollowing:

1.Ensurethatyourcomputeristurnedoff.

2.RepeatedlypressandreleasetheF1keywhenturningonthecomputer.Whenyouhearmultiple
beepsorseealogoscreen,releasetheF1key.

Note:IfaPower-OnPasswordoranAdministratorPasswordhasbeenset,theSetupUtilityprogram
menuwillnotbedisplayeduntilyoutypethecorrectpassword.Formoreinformation,see“Using
passwords”onpage55

WhenthePOSTdetectsthattheharddiskdrivehasbeenremovedfromyourcomputerorthememory
modulesizehasdecreased,anerrormessagewillbedisplayedwhenyoustartthecomputerandyouwillbe
promptedtodooneofthefollowing:

•PressF1toentertheSetupUtilityprogram.

Note:AfteryouentertheSetupUtilityprogram,pressF10tosavechangesandexittheSetupUtility
program.PressEnterwhenpromptedtoconfirmtheexit.Theerrormessagewillnotbedisplayedagain.

•PressF2tobypasstheerrormessageandlogintotheoperatingsystem.

.

Note:YouhavetoenabletheconfigurationchangedetectionfeatureforthePOSTtodetecttheremovalof
theharddiskdrive.T oenabletheconfigurationchangedetectionfeature,dothefollowing:

1.StarttheSetupUtilityprogram.

2.FromtheSetupUtilityprogrammainmenu,selectSecurity➙ConfigurationChangeDetection,
andpressEnter.

3.SelectEnabledandpressEnter.

4.PressF10tosavechangesandexittheSetupUtilityprogram.PressEnterwhenpromptedtoconfirm
theexit.

Viewingandchangingsettings

TheSetupUtilityprogrammenulistsvariousitemsaboutthesystemconfiguration.Tovieworchange
settings,starttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage55.Then,follow
theinstructionsonthescreen.

YoucanuseeitherthekeyboardorthemousetonavigatethroughBIOSmenuchoices.Thekeysusedto
performvarioustasksaredisplayedatthebottomofeachscreen.

Usingpasswords

ByusingtheSetupUtilityprogram,youcansetpasswordstopreventunauthorizedaccesstoyourcomputer
anddata.Thefollowingtypesofpasswordsareavailable:

•Power-OnPassword

©CopyrightLenovo2013,2014

55

•AdministratorPassword

•HardDiskPassword

Youdonothavetosetanypasswordstouseyourcomputer.However,usingpasswordsimproves
computingsecurity.Ifyoudecidetosetanypasswords,readthefollowingsections.

Passwordconsiderations

Apasswordcanbeanycombinationofupto64alphabeticandnumericcharacters.Forsecurityreasons,it
isrecommendedtouseastrongpasswordthatcannotbeeasilycompromised.Tosetastrongpassword,
usethefollowingguidelines:

•Haveatleasteightcharactersinlength

•Containatleastonealphabeticcharacterandonenumericcharacter

•SetupUtilityprogramandharddiskpasswordsarenotcasesensitive

•Notbeyournameoryourusername

•Notbeacommonwordoracommonname

•Besignificantlydifferentfromyourpreviouspasswords

Power-onpassword

Whenapower-onpasswordisset,youarepromptedtotypeavalidpasswordeachtimethecomputeris
turnedon.Thecomputercannotbeuseduntilthevalidpasswordistypedin.

Administratorpassword

Settinganadministratorpassworddetersunauthorizedusersfromchangingconfigurationsettings.Ifyou
areresponsibleformaintainingtheconfigurationsettingsofseveralcomputers,youmightwanttosetan
AdministratorPassword.

Whenanadministratorpasswordisset,youarepromptedtotypeavalidpasswordeachtimeyoutryto
accesstheSetupUtilityprogram.TheSetupUtilityprogramcannotbeaccesseduntilavalidpassword
istypedin.

Ifboththepower-onpasswordandadministratorpasswordareset,youcantypeeitherpassword.However,
youmustuseyouradministratorpasswordtochangeanyconfigurationsettings.

HardDiskPassword

SettingaHardDiskPasswordpreventsunauthorizedaccesstothedataontheharddiskdrive.Whena
HardDiskPasswordisset,youarepromptedtotypeavalidpasswordeachtimeyoutrytoaccessthe
harddiskdrive.

Notes:

•AfteryousetaHardDiskPassword,yourdataontheharddiskdriveisprotectedeveniftheharddisk
driveisremovedfromonecomputerandinstalledinanother.

•IftheHardDiskPasswordisforgotten,thereisnowaytoresetthepasswordorrecoverdatafromthe
harddiskdrive.

Setting,changing,anddeletingapassword

Toset,change,ordeleteapassword,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage55.

56ThinkCentreE93HardwareMaintenanceManual

2.FromtheSetupUtilityprogrammainmenu,selectSecurity.

3.Dependingonthepasswordtype,selectSetPower-OnPassword,SetAdministratorPassword,or
HardDiskPassword.

4.Followtheinstructionsontherightsideofthescreentoset,change,ordeleteapassword.

Note:Apasswordcanbeanycombinationofupto64alphabeticandnumericcharacters.Formore
information,see“Passwordconsiderations”onpage56.

Erasinglostorforgottenpasswords(clearingCMOS)

Thissectionprovidesinstructionsonhowtoeraselostorforgottenpasswords,suchasauserpassword.

Toerasealostorforgottenpassword,dothefollowing:

1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.

2.Removethecomputercover.

3.LocatetheClearCMOS/Recoveryjumperonthesystemboard.

4.Movethejumperfromthestandardposition(pin1andpin2)tothemaintenanceposition(pin2and
pin3).

5.Reinstallthecomputercoverandconnectthepowercord.

6.Turnonthecomputerandleaveitonforapproximately10seconds.Then,turnoffthecomputerby
holdingthepowerswitchforapproximatelyfiveseconds.

7.Repeatstep1throughstep2.

8.MovetheClearCMOS/Recoveryjumperbacktothestandardposition(pin1andpin2).

9.Reinstallthecomputercoverandconnectthepowercord.

Enablingordisablingadevice

Thissectionprovidesinformationonhowtoenableordisableuseraccesstothefollowingdevices:

USBSetupUsethisoptiontoenableordisableaUSBconnector.WhenaUSBconnectoris

disabled,thedeviceconnectedtotheUSBconnectorcannotbeused.

SATAControllerWhenthisfeatureissettoDisable,alldevicesconnectedtotheSATAconnectors

(suchasharddiskdrivesortheopticaldrive)aredisabledandcannotbeaccessed.

Toenableordisableadevice,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage55.

2.FromtheSetupUtilityprogrammainmenu,selectDevices.

3.Dependingonthedeviceyouwanttoenableordisable,dooneofthefollowing:

•SelectUSBSetuptoenableordisableaUSBdevice.

•SelectATADriveSetuptoenableordisableaSATAdevice.

4.SelectthedesiredsettingsandpressEnter.

5.PressF10tosavechangesandexittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”
onpage60.

Chapter6.UsingtheSetupUtilityprogram57

Selectingastartupdevice

Ifyourcomputerdoesnotstartupfromadevicesuchasthediscorharddiskdriveasexpected,dooneof
thefollowingtoselectthestartupdeviceyouwant.

Selectingatemporarystartupdevice

Usethisproceduretoselectatemporarystartupdevice.

Note:Notalldiscsandharddiskdrivesarebootable.

1.Turnoffyourcomputer.

2.RepeatedlypressandreleasetheF12keywhenturningonthecomputer.WhenthePleaseselect
bootdevicewindowdisplays,releasetheF12key.

3.SelectthedesiredstartupdeviceandpressEnter.Thecomputerwillstartupfromthedeviceyou
selected.

Note:SelectingastartupdevicefromthePleaseselectbootdevicewindowdoesnotpermanentlychange
thestartupsequence.

Selectingorchangingthestartupdevicesequence

Tovieworpermanentlychangetheconfiguredstartupdevicesequence,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage55.

2.FromtheSetupUtilityprogrammainmenu,selectStartup.

3.SelectthedevicesforthePrimaryStartupSequence,theAutomaticStartupSequence,andtheError
StartupSequence.Readtheinformationdisplayedontherightsideofthescreen.

4.PressF10tosavechangesandexittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”
onpage60.

EnablingErPLPScompliancemode

Lenovocomputersmeettheeco-designrequirementsoftheErPLot3regulation.Formoreinformation,go
to:
http://www.lenovo.com/ecodeclaration

Youcanenabletheenergy-relatedproductsdirective(ErP)lowestpowerstate(LPS)compliancemodeinthe
SetupUtilityprogramtoreducetheconsumptionofelectricitywhenyourcomputerisinsleeporoffmode.

ToenableErPLPScompliancemodeintheSetupUtilityprogram,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage55.

2.FromtheSetupUtilityprogrammainmenu,selectPower➙EnhancedPowerSavingMode,and
pressEnter.

3.SelectEnabledandpressEnter.

4.FromthePowermenu,selectAutomaticPowerOnandpressEnter.

5.SelectWakeonLanandpressEnter.

6.SelectDisabledandpressEnter.

7.PressF10tosavechangesandexittheSetupUtilityprogram.PressEnterwhenpromptedtoconfirm
theexit.

Note:WhenErPLPScompliancemodeisenabled,youcanwakeupyourcomputerbydoingoneof
thefollowing:

58ThinkCentreE93HardwareMaintenanceManual

•Pressingthepowerswitch

•Enablingthewakeuponalarmfeature
Thewakeuponalarmfeatureenablesyourcomputertowakeupatasettime.Toenablethewake

uponalarmfeature,dothefollowing:

1.StarttheSetupUtilityprogram.

2.FromtheSetupUtilityprogrammainmenu,selectPower➙AutomaticPowerOn,andpressEnter.

3.SelectWakeUponAlarmandpressEnter.Thenfollowtheinstructionsonthescreen.

4.PressF10tosavechangesandexittheSetupUtilityprogram.PressEnterwhenpromptedto
confirmtheexit.

•Enablingtheafterpowerlossfeature
Theafterpowerlossfeatureenablesyourcomputertowakeupwhenthepowersupplyresumesaftera

suddenlossofelectricity.Toenabletheafterpowerlossfeature,dothefollowing:

1.StarttheSetupUtilityprogram.

2.FromtheSetupUtilityprogrammainmenu,selectPower➙AfterPowerLoss,andpressEnter.

3.SelectPowerOnandpressEnter.

4.PressF10tosavechangesandexittheSetupUtilityprogram.PressEnterwhenpromptedto
confirmtheexit.

ICEperformancemode

YoucanadjusttheacousticandthermalperformanceofyourcomputerthroughtheICEPerformance
Modemenu.Threeoptionsareavailable:

•BetterAcousticPerformance(defaultsetting)
Ifthisoptionisenabled,yourcomputerwilloperatewithlessnoiseatanormalthermallevel.

•BetterThermalPerformance
Ifthisoptionisenabled,yourcomputerwilloperateatabetterthermallevelwithnormalacoustic
performance.

•FullSpeed
Ifthisoptionisenabled,allfansinthecomputerwillrunatfullspeed.

ToconfiguretheICEperformancemode,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage55.

2.FromtheSetupUtilityprogrammainmenu,selectPower.

3.SelectIntelligentCoolingEngine(ICE).TheIntelligentCoolingEngine(ICE)windowisdisplayed.

4.SelectICEPerformanceMode.TheICEPerformanceModewindowisdisplayed.

5.SelectBetterAcousticPerformance,BetterThermalPerformance,orFullSpeedasdesired.

6.PressF10tosavechangesandexittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”
onpage60.

ICEthermalalert

YoucanmonitorthethermalfunctionofyourcomputerundercriticalthermalsituationsthroughtheICE
ThermalAlertmenu.T wochoicesareavailable:

•Enabled(defaultsetting)

•Disabled

Chapter6.UsingtheSetupUtilityprogram59

AfterenablingtheICEthermalalertfunction,whencriticalthermalsituationsoccur,suchasmalfunctioning
fans,abnormallyhightemperature,andpoorcoolingperformances,analertlogwillbewrittenintothe
Windowssystemlog.Thealertlogcanhelpyouidentifythethermalproblems.

ToconfiguretheICEthermalalertfunction,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage55.

2.FromtheSetupUtilityprogrammainmenu,selectPower.

3.SelectIntelligentCoolingEngine(ICE).TheIntelligentCoolingEngine(ICE)windowisdisplayed.

4.SelectICEThermalAlert.TheICEThermalAlertwindowisdisplayed.

5.SelectEnabledorDisabledasdesired.

6.PressF10tosavechangesandexittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”
onpage60

.

ChangingtheBIOSsettingsbeforeinstallinganewoperatingsystem

BIOSsettingsvarybyoperatingsystem.ChangetheBIOSsettingsbeforeinstallinganewoperatingsystem.

TochangetheBIOSsettings,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage55.

2.FromtheSetupUtilityprogrammainmenu,selectExit➙OSOptimizedDefault.

3.Dependingontheoperatingsystemtobeinstalled,dooneofthefollowing:

•T oinstalltheWindows8(64-bit)orWindows8.1(64-bit)operatingsystem,selectEnabled.

•T oinstallanoperatingsystemotherthanWindows8(64-bit)orWindows8.1(64-bit),selectDisabled.

4.SelectYesinthewindowdisplayedandpressEntertoconfirmyourselection.

5.PressF10tosavechangesandexittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”
onpage60.

ExitingtheSetupUtilityprogram

Afteryoufinishviewingorchangingsettings,pressEsctoreturntotheSetupUtilityprogrammainmenu.
YoumighthavetopressEscseveraltimes.Dooneofthefollowing:

•Ifyouwanttosavethenewsettings,pressF10tosavechangesandexittheSetupUtilityprogram.

•Ifyoudonotwanttosavethesettings,selectExit➙DiscardChangesandExit,andthenpressEnter.
WhentheResetWithoutSavingwindowshows,selectYes,andthenpressEntertoexittheSetup
Utilityprogram.

•Ifyouwanttoreturntothedefaultsettings,pressF9toloadthedefaultsettings,andthenpressF10to
saveandexittheSetupUtilityprogram.

60ThinkCentreE93HardwareMaintenanceManual

Chapter7.Symptom-to-FRUIndex

TheSymptom-to-FRUindexlistserrorsymptomsandpossiblecauses.Themostlikelycauseislistedfirst.
AlwaysbeginwiththeChapter4“Generalcheckout”onpage33.Y oucanusethisindextohelpyoudecide
whichFRUsareneededwhenservicingacomputer.Ifyouareunabletocorrecttheproblemusingthis
index,goto“Undeterminedproblems”onpage65

Notes:

1.Ifyouhavebothanerrormessageandanincorrectaudioresponse,diagnosetheerrormessagefirst.

2.Ifyoucannotrunthediagnostictestsoryougetadiagnosticerrormessagewhenrunningatest,butdidreceivea
POSTerrormessage,diagnosethePOSTerrormessagefirst.

3.Ifyoudidnotreceiveanyerrormessage,lookforadescriptionofyourerrorsymptomsinthefirstpartofthisindex.

Harddiskdrivebooterror

Aharddiskdrivebooterror(errorcodes1962andI999030X)canhavethefollowingcauses.

ErrorFRU/Action

Thestart-updriveisnotinthebootsequencein
configuration.

Nooperatingsysteminstalledonthebootdrive.Installanoperatingsystemonthebootdrive.
Thebootsectoronthestart-updriveiscorrupted.

Thedriveisdefective.

.

Checktheconfigurationandensurethestart-updriveis
inthebootsequence.

Thedrivemustbeformatted.Dothefollowing:

1.Attempttobackupthedataonthefailingharddisk
drive.

2.Usingtheoperatingsystemsprogram,formatthe
harddiskdrive.

Replacetheharddiskdrive.

Powersupplyproblems

Ifyoususpectapowerproblem,usethefollowingprocedures.

Check/VerifyFRU/Action

Checkthefollowingforproperinstallation:

•Powercord

•On/Offswitchconnector

•On/Offswitchpowersupplyconnector

•Systemboardpowersupplyconnectors

•Microprocessor(s)connection
Checkthepowercordforcontinuity.
Checkthepower-onswitchforcontinuity.

Reseatconnectors

Powercord
Power-onswitch

Beepsymptoms

Beepsymptomsaretonesoraseriesoftonesseparatedbypauses(intervalswithoutsound)duringPOST.

©CopyrightLenovo2013,2014

61

Thefollowingtablesdescribesbeepsymptoms.

BeepSymptomFRU/Action
2shortbeepsCMOSsettingerror

3shortbeepsandthen1longbeepDRAMmemory

error

Performthefollowingactionsinorder.

1.StarttheSetupUtilityprogramandpressF10to
Saveandexit.SeeChapter6“UsingtheSetupUtility
program”onpage55

2.StarttheSetupUtilityprogramandpressF9toload
defaultsandthenpressF10toSaveandexit.

3.PerformaBoot-blockrecovery.See“Recovering
fromaPOST/BIOSupdatefailure”onpage169.

Performthefollowingactionsinorder.

1.Makesurethememorymodule(s)areproperlyseated
intheconnector(s).

2.Replacethememorymodule(s).

3.Replacethesystemboard.

.

POSTerrorcodes

Eachtimeyoupower-onthesystem,itperformsaseriesofteststhatchecktheoperationofthesystem
andsomeoptions.ThisseriesoftestsiscalledthePower-OnSelf-Test,orPOST.POSTdoesthefollowing
operations.

•Checkssomebasicsystem-boardoperations

•Checksthememoryoperation

•Startsthevideooperation

•Verifiesthatthebootdriveisworking

IfthePOSTdetectsaproblem,anerrormessageappearsonthescreen.Asingleproblemcancauseseveral
errormessagestoappear.Whenyoucorrectthecauseofthefirsterrormessage,theothererrormessages
probablywillnotappearonthescreenthenexttimeyouturnonthesystem.

POSTErrorcodePOSTErrormessageDescription/Action

00CEMachineTypeorSerialNumberisINVALID

0211

0135

0164MemorysizedecreasedThiserrormessageisdisplayedwhenthememory

Keyboardnotfound

Fanfailure

Thiserrormessageisdisplayedwhenthemachine
typeortheserialnumberisinvalid.

Thiserrormessageisdisplayedwhenthereisno
keyboarddetected.

Thesystemmightbeoverheating.

PressF1toentertheSetupUtilityprogram.
ThenpressF10tosaveandexittheSetupUtility
program.

Note:Iftheproblemiscausedbythe
microprocessorfan,pressingF10willnotsolve
theproblem.

sizehasdecreased.

62ThinkCentreE93HardwareMaintenanceManual

PressF1toentertheSetupUtilityprogram.
ThenpressF10tosaveandexittheSetupUtility
program.

POSTErrorcodePOSTErrormessageDescription/Action

1762

SATAdeviceconfigurationchangehas
occurred

1820

Morethanoneexternalfingerprintreader
isattached.Poweroffandremoveallbut
thereaderthatyousetupwithinyourmain
operatingsystem.

1962

Nooperatingsystemfound.Pressanykey
torepeatbootsequence.

0162

0167

0175

0176

SetupdataintegritycheckfailurePressF1toentertheSetupUtilityprogram.

Noprocessormicrocodeupdatefound

SystemSecurity-SecuritydatacorruptedPressF1toentertheSetupUtilityprogram.

SystemSecurity-Thesystemhasbeen
tamperedwith

Thiserrormessageisdisplayedwhenaharddisk
driveoropticaldrivechangehasbeenmade.

PressF1toentertheSetupUtilityprogram.
ThenpressF10tosaveandexittheSetupUtility
program.

Ifmorethanoneexternalfingerprintreaderis
connectedtoacomputer,thiserrormessagewill
bedisplayedtoinformyoutoremoveallofthe
fingerprintkeyboardsexcepttheonecompatible
withthefingerprintapplicationonyourcomputer.

ThiserroroccursonlyafterthePOSTiscompleted.
Pressanykeytorepeatbootsequence.

ThenpressF10tosaveandexittheSetupUtility
program.

Thiserrormessageindicatesthatthereis
nomicrocodeupdateimageforthecurrent
microprocessor.

ThenpressF10tosaveandexittheSetupUtility
program.

Thiserrormessageisdisplayedwhenthe
computeristurnedonwiththecoveropenor
removed.

PressF1toentertheSetupUtilityprogram.
ThenpressF10tosaveandexittheSetupUtility
program.

0189

SystemSecurity-Cannotreadthe
SecurityEEPROM

ThiserrormessageindicatesthattheSecurity
EEPROMmaybebrokenorremoved.

PressF1toentertheSetupUtilityprogram.
ThenpressF10tosaveandexittheSetupUtility
program.

0197

SystemSecurity-Unauthorizedsecurity
datachangedetected

PressF1toentertheSetupUtilityprogram.
ThenpressF10tosaveandexittheSetupUtility
program.

0190

SystemSecurity-Invalidsecuritychange
requested

PressF1toentertheSetupUtilityprogram.
ThenpressF10tosaveandexittheSetupUtility
program.

0199

SystemSecurity-Securitypasswordretry
countexceeded

PressF1toentertheSetupUtilityprogram.
ThenpressF10tosaveandexittheSetupUtility
program.

Chapter7.Symptom-to-FRUIndex63

Miscellaneouserrorconditions

Message/SymptomFRU/Action

ChangingdisplaycolorsDisplay/Monitor
Computerwillnotpower-off.See“Harddiskdriveboot

error”onpage61.

ComputerwillnotRPLfromserver

ComputerwillnotperformaWakeonLAN(ifapplicable)1.Checkpowersupplyandsignalcableconnections

Deadcomputer.See“Harddiskdrivebooterror”onpage
61

.

Diskettedrivein-uselightremainsonordoesnotlight
whendriveisactive.

Flashingcursorwithanotherwiseblankdisplay.

IncorrectmemorysizeduringPOST

"InsertaDiskette"iconappearswithaknown-good
diagnosticsdisketteinthefirst3.5-inchdiskettedrive.

Intensityorcolorvariesfromlefttorightofcharacters
andcolorbars

Nopowerorfannotrunning

1.PowerSwitch

2.SystemBoard

3.Risercard,ifinstalled

1.Ensurethatnetworkisinstartupsequenceasfirst
deviceorfirstdeviceafterdiskette

2.EnsurethatnetworkadapterisenabledforRPL

3.Networkadapter(Advisenetworkadministratorof
newMACaddress)

tonetworkadapter

2.Ensurethattheoperatingsystemsettingsaresetto
enableWakeonLAN

3.EnsureWakeonLANfeatureisenabledin
Setup/Configuration(see“StartingtheSetupUtility
program”onpage55)

4.EnsurenetworkadministratorisusingcorrectMAC
address

5.EnsurenointerruptorI/Oaddressconflicts

6.Networkadapter(advisenetworkadministratorof
newMACaddress)

1.PowerSupply

2.SystemBoard

1.DisketteDrive

2.SystemBoard

3.DisketteDriveCable

1.SystemBoard

2.PrimaryHardDiskDrive

3.HardDiskDriveCable

1.RuntheMemorytests

2.MemoryModule

3.SystemBoard

1.SystemBoard

2.DisketteDriveCable

3.NetworkAdapter

1.Display

2.Videoadapter(ifpresent)

3.SystemBoard

1.See“Harddiskdrivebooterror”onpage61.

64ThinkCentreE93HardwareMaintenanceManual

Message/SymptomFRU/Action

Non-systemdiskordiskerror-typemessagewitha
known-gooddiagnosticdiskette.

Otherdisplaysymptomsnotlistedabove(includingblank
orillegibledisplay)

Power-onindicatororharddiskdrivein-uselightnoton,
butcomputerworkscorrectly

Printerproblems1.Printer

Programloadsfromtheharddiskwithaknown-good
diagnosticsdisketteinthefirst3.5-inchdiskettedrive

RPLcomputercannotaccessprogramsfromitsownhard
disk.

RPLcomputerdoesnotRPLfromserver

Serialorparallelportdevicefailure(systemboardport)1.ExternalDeviceSelf-T estOK?

Serialorparallelportdevicefailure(adapterport)1.ExternalDeviceSelf-T estOK?

Someorallkeysonthekeyboarddonotwork

1.DisketteDrive

2.SystemBoard

3.DisketteDriveCable

1.Display

2.SystemBoard

1.Powerswitch/LEDassembly

2.SystemBoard

2.SystemBoard

1.RunSetupandcheckStartupsequence.

2.DisketteDrive

3.DisketteDriveCable

4.SystemBoard

5.PowerSupply

1.IfnetworkadministratorisusingLCCMHybridRPL,

checkstartupsequence:
a.Firstdevice-network
b.Seconddevice-harddisk

2.Harddiskdrive

1.Checkstartupsequence

2.CheckthenetworkadapterLEDstatus

2.ExternalDevice

3.Cable

4.SystemBoard

2.ExternalDevice

3.Cable

4.AlternateAdapter

5.SystemBoard

1.Keyboard

2.KeyboardCable

3.SystemBoard

Undeterminedproblems

Ifyouencounterundeterminedproblems,dothefollowing:

1.Turnoffthecomputerandthepower.

2.Removeordisconnectthefollowingcomponents(ifinstalled)oneatatime.
a.Externaldevices(modem,printer,ormouse)
b.Anyadaptercards
c.Memorymodules

Chapter7.Symptom-to-FRUIndex65

d.Extendedvideomemory
e.ExternalCache
f.ExternalCacheRAM
g.Harddiskdrive
h.Diskettedrive

3.Turnonthepowerandthecomputertore-testthesystem.

4.Repeatsteps1through3untilyoufindthefailingdeviceoradaptercards.

Ifalldevicesandadaptercardshavebeenremoved,andtheproblemcontinues,replacethesystemboard.
See“Replacingthesystemboard”onpage107or“Replacingthesystemboard”onpage154.

66ThinkCentreE93HardwareMaintenanceManual

Chapter8.Locations

Thischapterintroducesthelocationsofthecomputerhardwarecomponents.

Formachinetype:10AR

Locatingconnectors,controls,andindicatorsonthefrontofyour computer

Figure1“Frontconnector,control,andindicatorlocations”onpage67showsthelocationsofthe
connectors,controls,andindicatorsonthefrontofyourcomputer.

Figure1.Frontconnector,control,andindicatorlocations

1Harddiskdriveactivityindicator
2Powerindicator7Headphoneconnector
3Powerswitch8Microphoneconnector
4Opticaldriveeject/closebutton9USB3.0connector(USBport2)
5Cardreader(optional)

©CopyrightLenovo2013,2014

6USB3.0connector(USBport1)

67

Locatingconnectorsontherearofyourcomputer

®

8

7

6

5

3

4

®

HDMI

HDMI

3

4

5

7

8

6

Figure2“Rearconnectorlocations”onpage68showsthelocationsoftheconnectorsontherearofyour
computer.Someconnectorsontherearofyourcomputerarecolor-codedtohelpyoudeterminewhereto
connectthecablesonyourcomputer.

Figure2.Rearconnectorlocations

1Powercordconnector11Audioline-inconnector
2Serialport(Serialport1)12PCIExpressx16graphicscardslot
3VGAmonitorconnector13PCIExpressx1cardslots(2)
4HDMIconnector(optional)14PCIcardslot
5PS/2keyboardandmouseconnectors

15Security-lockslot

(optional)

6DisplayPort
7USB3.0connectors(USBports5and6)17Cable-lockslots(2)
8USB2.0connectors(USBports3,4,7,and

®

connector16Padlockloop

18Optionalserialport(Serialport2)

8)

9Microphoneconnector19Ethernetconnector
10Audioline-outconnector

Note:Ifyourcomputerisinstalledwithagraphicscard,ensurethatyouusethemonitorconnectorson
thegraphicscard.

68ThinkCentreE93HardwareMaintenanceManual

ConnectorDescription

Audioline-inconnector

Audioline-outconnector

DisplayPortconnector

Ethernetconnector

HDMIconnector

Microphoneconnector

PS/2keyboardconnector
(optional)

PS/2mouseconnector
(optional)

Serialport

USB2.0connectorUsedtoattachadevicethatrequiresaUSB2.0connector,suchasaUSB

USB3.0connectorUsedtoattachadevicethatrequiresaUSB2.0or3.0connector,suchasa

VGAmonitorconnectorUsedtoattachaVGAmonitororotherdevicesthatuseaVGAmonitorconnector.

Usedtoreceiveaudiosignalsfromanexternalaudiodevice,suchasastereo
system.Whenyouattachanexternalaudiodevice,acableisconnectedbetween
theaudioline-outconnectorofthedeviceandtheaudioline-inconnectorofthe
computer.

Usedtosendaudiosignalsfromthecomputertoexternaldevices,suchaspowered
stereospeakers(speakerswithbuilt-inamplifiers),headphones,multimedia
keyboards,ortheaudioline-inconnectoronastereosystemorotherexternal
recordingdevice.

Usedtoattachahigh-performancemonitor,adirect-drivemonitor,orotherdevices
thatuseaDisplayPortconnector.

UsedtoattachanEthernetcableforaLAN.
Note:T ooperatethecomputerwithinFCCClassBlimits,useaCategory5Ethernet
cable.

Usedtodeliveruncompressedhigh-definitionvideoandmultichanneldigitalaudio
signalsthroughasinglecable.ThisHDMIconnectorcanattachahighperformance
monitor,adirectdrivemonitor,orotheraudioorvideodevicesthatuseanHDMI
connector.

Usedtoattachamicrophonetoyourcomputerwhenyouwanttorecordsoundorif
youusespeech-recognitionsoftware.

UsedtoattachakeyboardthatusesaPS/2keyboardconnector.

Usedtoattachamouse,atrackball,orotherpointingdevicesthatuseaPS/2
mouseconnector.

Usedtoattachanexternalmodem,aserialprinter,orotherdevicesthatusea
9-pinserialport.

keyboard,aUSBmouse,aUSBscanner,oraUSBprinter.Ifyouhavemorethan
sixUSBdevices,youcanpurchaseaUSBhub,whichyoucanusetoconnect
additionalUSBdevices.

keyboard,amouse,ascanner,aprinter,orapersonaldigitalassistant(PDA).A
USB3.0connectorprovideshightransmissionspeedstoreducethetimethatis
requiredfordatatransmission.

LocatingmajorFRUsandCRUs

“LocatingmajorFRUsandCRUs”onpage69showsthelocationsofthevariouscomponentsinyour
computer.Toremovethecomputercover,see“Removingthecomputercover”onpage82.

Chapter8.Locations69

Figure3.LocatingmajorFRUsandCRUs

ThefollowingtableliststhemajorFRUsshownin“LocatingmajorFRUsandCRUs”onpage69
identifieswhichFRUsalsoareself-serviceCRUsoroptional-serviceCRUs.

70ThinkCentreE93HardwareMaintenanceManual

and

Notes:

•Self-serviceCRUs:TheseCRUsunplugoraresecuredbynomorethantwoscrews.Examplesof
thesetypesofCRUsincludethekeyboard,themouse,anyUSBdevice,andthepowercord.Other
self-serviceCRUsdependingonproductdesignmightincludememorymodules,adaptercards,hard
diskdrives,andopticaldrives.

•Optional-serviceCRUs:TheseCRUsareisolatedpartswithinthecomputerandareconcealedbyan
accesspanelthatistypicallysecuredbymorethantwoscrews.Oncetheaccesspanelisremoved,the
specificCRUisvisible.

NumberFRUdescription

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

PowersupplyassemblyNoYes
Heatsinkandfanassembly
MicroprocessorNoYes
MemorymodulesYesNo
Opticaldrive(availableinsomemodels)
FrontaudioandUSBassembly
Cardreader(availableinsomemodels)
FrontWi-FiantennaNoYes
FrontbezelYesNo
BatteryYesNo
HarddiskdriveNoYes
PeripheralComponentInterconnect(PCI)card
Wi-FicardmoduleNoYes
Wi-FiadaptercardNoYes
RearWi-FiantennaYesNo
Systemboard
Systemfan
KeyboardYesNo
MouseYesNo

Self-serviceCRUOptional-serviceCRU

YesNo

YesNo
YesNo

NoYes

YesNo

NoNo
NoYes

LookingupFRUinformation

FordetailedFRUinformation,suchastheFRUpartnumbersandsupportedcomputermodels,goto:
http:/www.lenovo.com/serviceparts-lookup

Locatingpartsonthesystemboard

Figure4“Locationsofthepartsandconnectorsonthesystemboard”onpage72showsthelocations
ofthepartsandconnectorsonthesystemboard.

Chapter8.Locations71

Figure4.Locationsofthepartsandconnectorsonthesystemboard

14-pinpowerconnector

16Frontpanelconnector(forconnectingLEDindicatorsand

powerswitch)

2Microprocessor

17FrontUSB2.0connector(forconnectingadditionalUSB

2.0devices)

3Microprocessorfanconnector

18ClearCMOS(ComplementaryMetalOxideSemiconductor)

/Recoveryjumper

4Memoryslot1(DIMM1)19Serial(COM2)connector
5Memoryslot2(DIMM2)
6Memoryslot3(DIMM3)
7Memoryslot4(DIMM4)22PCIcardslot
8Thermalsensorconnector

94-pinpowerconnectors(2)24PCIExpressx16graphicscardslot
1014-pinpowerconnector

11eSATAconnector26Coverpresenceswitchconnector(Intrusionswitch

20Internalspeakerconnector
21Frontaudioconnector

23PCIExpressx1cardslots(2)

25Systemfanconnector

connector)

12Parallelconnector27HDMIconnector
13FrontUSB3.0connector(forconnectingUSB

28Battery

3.0ports1and2onthefrontbezel)

14SATA3.0connectors29PS/2keyboardandmouseconnector
15Powerfanconnector

72ThinkCentreE93HardwareMaintenanceManual

Locatinginternaldrives

Internaldrivesaredevicesthatyourcomputerusestoreadandstoredata.Youcanadddrivestoyour
computertoincreasestoragecapacityandenableyourcomputertoreadothertypesofmedia.Internal
drivesareinstalledinbays.Inthismanual,thebaysarereferredtoasbay1,bay2,andsoon.

Wheninstallingorreplacinganinternaldrive,itisimportanttonotethetypeandsizeofthedrivethatyou
caninstallorreplaceineachbayandcorrectlyconnectthecablestothedriveinstalled.Refertothe
appropriatesectionin“Installingorreplacinghardware”onpage81
replaceinternaldrivesforyourcomputer.

“Locatinginternaldrives”onpage73showsthelocationsofthedrivebays.

forinstructionsonhowtoinstallor

Figure5.Drivebaylocations

1Bay1-Opticaldrivebay(withanopticaldriveinstalledinsomemodels)
2Bay2-Slimcardreaderdrivebay(withaslimcardreaderinstalledinsomemodels)
3Bay3-Primaryharddiskdrivebay(withaharddiskdriveorasolid-statedriveinstalled)
4Bay4-Secondaryharddiskdrivebay(withaharddiskdriveorasolid-statedriveinstalledinsomemodels)

Formachinetype:10AQ

Locatingconnectors,controls,andindicatorsonthefrontofyour computer

“Locatingconnectors,controls,andindicatorsonthefrontofyourcomputer”onpage73showsthe
locationsoftheconnectors,controls,andindicatorsonthefrontofyourcomputer.

Chapter8.Locations73

Figure6.Frontconnector,control,andindicatorlocations

1Opticaldriveeject/closebutton
2Powerswitch7Headphoneconnector
3Harddiskdriveactivityindicator
4Powerindicator

5USB3.0connector(USBport2)

6Microphoneconnector

8USB3.0connector(USBport1)
9Cardreader(optional)

74ThinkCentreE93HardwareMaintenanceManual

Locatingconnectorsontherearofyourcomputer

®

3

4

5

6

7

8

®

HDMI

HDMI

3

4

5

7

8

6

“Locatingconnectorsontherearofyourcomputer”onpage75showsthelocationsoftheconnectorson
therearofyourcomputer.Someconnectorsontherearofyourcomputerarecolor-codedtohelpyou
determinewheretoconnectthecablesonyourcomputer.

Figure7.Rearconnectorlocations

1Powercordconnector10Audioline-outconnector
2Serialport(Serialport1)

11Audioline-inconnector

3VGAmonitorconnector12PCIExpressx16graphicscardslot
4HDMIconnector(optional)13PCIExpressx1cardslots(2)
5PS/2keyboardandmouseconnectors

14PCIcardslot

(optional)

6DisplayPortconnector15Ethernetconnector
7USB3.0connectors(USBports5and6)16Security-lockslot
8USB2.0connectors(USBports3,4,7,and

17Padlockloop

8)

9Microphoneconnector

Note:

1.Forasmalldesktopcomputer,cable-lockslotsareoptionalinthebracketforoneofthefollowing:

121314

2.Ifyourcomputerisinstalledwithagraphicscard,ensurethatyouusethemonitorconnectorsonthe

graphicscard.

Chapter8.Locations75

ConnectorDescription

Audioline-inconnector

Audioline-outconnector

DisplayPortconnector

Ethernetconnector

HDMIconnector

Microphoneconnector

PS/2keyboardconnector
(optional)

PS/2mouseconnector
(optional)

Serialport

USB2.0connectorUsedtoattachadevicethatrequiresaUSB2.0connector,suchasaUSB

USB3.0connectorUsedtoattachadevicethatrequiresaUSB2.0or3.0connector,suchasa

VGAmonitorconnectorUsedtoattachaVGAmonitororotherdevicesthatuseaVGAmonitorconnector.

Usedtoreceiveaudiosignalsfromanexternalaudiodevice,suchasastereo
system.Whenyouattachanexternalaudiodevice,acableisconnectedbetween
theaudioline-outconnectorofthedeviceandtheaudioline-inconnectorofthe
computer.

Usedtosendaudiosignalsfromthecomputertoexternaldevices,suchaspowered
stereospeakers(speakerswithbuilt-inamplifiers),headphones,multimedia
keyboards,ortheaudioline-inconnectoronastereosystemorotherexternal
recordingdevice.

Usedtoattachahigh-performancemonitor,adirect-drivemonitor,orotherdevices
thatuseaDisplayPortconnector.

UsedtoattachanEthernetcableforaLAN.
Note:T ooperatethecomputerwithinFCCClassBlimits,useaCategory5Ethernet
cable.

Usedtodeliveruncompressedhigh-definitionvideoandmultichanneldigitalaudio
signalsthroughasinglecable.ThisHDMIconnectorcanattachahighperformance
monitor,adirectdrivemonitor,orotheraudioorvideodevicesthatuseanHDMI
connector.

Usedtoattachamicrophonetoyourcomputerwhenyouwanttorecordsoundorif
youusespeech-recognitionsoftware.

UsedtoattachakeyboardthatusesaPS/2keyboardconnector.

Usedtoattachamouse,atrackball,orotherpointingdevicesthatuseaPS/2
mouseconnector.

Usedtoattachanexternalmodem,aserialprinter,orotherdevicesthatusea
9-pinserialport.

keyboard,aUSBmouse,aUSBscanner,oraUSBprinter.Ifyouhavemorethan
sixUSBdevices,youcanpurchaseaUSBhub,whichyoucanusetoconnect
additionalUSBdevices.

keyboard,amouse,ascanner,aprinter,orapersonaldigitalassistant(PDA).A
USB3.0connectorprovideshightransmissionspeedstoreducethetimethatis
requiredfordatatransmission.

LocatingmajorFRUsandCRUs

“LocatingmajorFRUsandCRUs”onpage76showsthelocationsofthemajorFRUsandCRUsinthe
computer.Toremovethecomputercover,see“Removingthecomputercover”onpage122.

76ThinkCentreE93HardwareMaintenanceManual

Figure8.LocatingmajorFRUsandCRUs

ThefollowingtableliststhemajorFRUsshownin“LocatingmajorFRUsandCRUs”onpage76and
identifieswhichFRUsalsoareself-serviceCRUsoroptional-serviceCRUs.

Notes:

Chapter8.Locations77

•Self-serviceCRUs:TheseCRUsunplugoraresecuredbynomorethantwoscrews.Examplesof
thesetypesofCRUsincludethekeyboard,themouse,anyUSBdevice,andthepowercord.Other
self-serviceCRUsdependingonproductdesignmightincludememorymodules,adaptercards,hard
diskdrives,andopticaldrives.

•Optional-serviceCRUs:TheseCRUsareisolatedpartswithinthecomputerandareconcealedbyan
accesspanelthatistypicallysecuredbymorethantwoscrews.Oncetheaccesspanelisremoved,the
specificCRUisvisible.

NumberFRUdescription

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

PowersupplyassemblyNoYes
MemorymodulesYesNo
Opticaldrive(availableinsomemodels)
FrontaudioandUSBassembly
Cardreader(availableinsomemodels)
FrontbezelYesNo
FrontWi-FiantennaNoYes
Systemfan
HarddiskdriveNoYes
BatteryYesNo
Wi-FicardmoduleNoYes
Wi-FiadaptercardNoYes
RearWi-FiantennaYesNo
Systemboard
MicroprocessorNoYes
PeripheralComponentInterconnect(PCI)card
Heatsinkandfanassembly
KeyboardYesNo
MouseYesNo

Self-serviceCRUOptional-serviceCRU

YesNo
YesNo

NoYes

NoYes

NoNo

YesNo
YesNo

LookingupFRUinformation

FordetailedFRUinformation,suchastheFRUpartnumbersandsupportedcomputermodels,goto:
http:/www.lenovo.com/serviceparts-lookup

Locatingpartsonthesystemboard

“Locatingpartsonthesystemboard”onpage78showsthelocationsofthepartsandconnectorson
thesystemboard.

78ThinkCentreE93HardwareMaintenanceManual

Figure9.Locationsofthepartsandconnectorsonthesystemboard

14-pinpowerconnector

16Frontpanelconnector(forconnectingLEDindicatorsand

powerswitch)

2Microprocessor

17FrontUSB2.0connector(forconnectingadditionalUSB

2.0devices)

3Microprocessorfanconnector

18ClearCMOS(ComplementaryMetalOxideSemiconductor)

/Recoveryjumper

4Memoryslot1(DIMM1)19Serial(COM2)connector
5Memoryslot2(DIMM2)
6Memoryslot3(DIMM3)
7Memoryslot4(DIMM4)22PCIcardslot
8Thermalsensorconnector

94-pinpowerconnectors(2)24PCIExpressx16graphicscardslot
1014-pinpowerconnector

11eSATAconnector26Coverpresenceswitchconnector(Intrusionswitch

20Internalspeakerconnector
21Frontaudioconnector

23PCIExpressx1cardslots(2)

25Systemfanconnector

connector)

12Parallelconnector27HDMIconnector
13FrontUSB3.0connector(forconnectingUSB

28Battery

3.0ports1and2onthefrontbezel)

14SATA3.0connectors29PS/2keyboardandmouseconnector
15Powerfanconnector

Chapter8.Locations79

Locatinginternaldrives

Internaldrivesaredevicesthatyourcomputerusestoreadandstoredata.Youcanadddrivestoyour
computertoincreasestoragecapacityandenableyourcomputertoreadothertypesofmedia.Internal
drivesareinstalledinbays.Inthismanual,thebaysarereferredtoasbay1,bay2,andsoon.

Wheninstallingorreplacinganinternaldrive,itisimportanttonotethetypeandsizeofthedrivethatyou
caninstallorreplaceineachbayandcorrectlyconnectthecablestothedriveinstalled.Refertothe
appropriatesectionin“Installingorreplacinghardware”onpage121
replaceinternaldrivesforyourcomputer.

“Locatinginternaldrives”onpage80showsthelocationsofthedrivebays.

forinstructionsonhowtoinstallor

Figure10.Drivebaylocations

1Bay1-Secondarysolid-statedrive(withasolid-statedriveinstalledinsomemodels)
2Bay2-Opticaldrivebay(withanopticaldriveinstalledinsomemodels)
3Bay3-Slimcardreaderdrivebay(withaslimcardreaderinstalledinsomemodels)
4Bay4-Harddiskdrivebay(withaharddiskdriveorasolid-statedriveinstalled)

80ThinkCentreE93HardwareMaintenanceManual

Chapter9.ReplacingFRUs(machinetype:10AR)

Important

BeforeyoureplaceanyFRU,readChapter2“Safetyinformation”onpage3.Theseprecautionsand
guidelineswillhelpyouworksafely.

FRUreplacementsaretobedonebytrainedservicetechniciansonly.

ThischapterprovidesinstructionsaboutremovingorreplacingmajorFRUs.NotallFRUsaredocumented.

Handlingstatic-sensitivedevices

Donotopenthestatic-protectivepackagecontainingthenewpartuntilthedefectiveparthasbeenremoved
fromthecomputerandyouarereadytoinstallthenewpart.Staticelectricity,althoughharmlesstoyou,can
seriouslydamagecomputercomponentsandparts.

Whenyouhandlepartsandothercomputercomponents,taketheseprecautionstoavoidstatic-electricity
damage:

•Limityourmovement.Movementcancausestaticelectricitytobuilduparoundyou.

•Alwayshandlepartsandothercomputercomponentscarefully.HandlePCIcards,memorymodules,
systemboards,andmicroprocessorsbytheedges.Nevertouchanyexposedcircuitry.

•Preventothersfromtouchingthepartsandothercomputercomponents.

•Beforeyoureplaceanewpart,touchthestatic-protectivepackagecontainingtheparttoametal
expansion-slotcoverorotherunpaintedmetalsurfaceonthecomputerforatleasttwoseconds.This
reducesstaticelectricityfromthepackageandyourbody.

•Whenpossible,removethenewpartfromthestatic-protectivepackaging,andinstallitdirectlyinthe
computerwithoutsettingthepartdown.Whenthisisnotpossible,placethestatic-protectivepackage
thatthepartcameinonasmooth,levelsurfaceandplacethepartonit.

•Donotplacethepartonthecomputercoverorothermetalsurface.

Installingorreplacinghardware

Thissectionprovidesinstructionsonhowtoinstallorreplacehardwareforyourcomputer.Y oucanexpand
thecapabilitiesofyourcomputerandmaintainyourcomputerbyinstallingorreplacinghardware.

Attention:DonotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingtheChapter
2“Safetyinformation”onpage3

Notes:

1.UseonlycomputerpartsprovidedbyLenovo.

2.Wheninstallingorreplacinganoption,usetheappropriateinstructionsinthissectionalongwiththe
instructionsthatcomewiththeoption.

.

Installingexternaloptions

Youcanconnectexternaloptionstoyourcomputer,suchasexternalspeakers,aprinter,orascanner.For
someexternaloptions,youmustinstalladditionalsoftwareinadditiontomakingthephysicalconnection.
Wheninstallinganexternaloption,see“Locatingconnectors,controls,andindicatorsonthefrontofyour
computer”onpage67

©CopyrightLenovo2013,2014

and“Locatingconnectorsontherearofyourcomputer”onpage68toidentifythe

81

requiredconnector.Then,usetheinstructionsthatcomewiththeoptiontohelpyoumaketheconnection
andinstallanysoftwareordevicedriversthatarerequiredfortheoption.

Removingthecomputercover

Attention:DonotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingtheChapter

2“Safetyinformation”onpage3.

Thissectionprovidesinstructionsonhowtoremovethecomputercover.

CAUTION:

Beforeyouopenthecomputercover,turnoffthecomputerandwaitseveralminutesuntilthe
computeriscool.

Toremovethecomputercover,dothefollowing:

1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.

2.Disconnectthepowercords,Input/Outputcables,andanyothercablesthatareconnectedtothe
computer.See“Locatingconnectors,controls,andindicatorsonthefrontofyourcomputer”onpage
67and“Locatingconnectorsontherearofyourcomputer”onpage68.

3.Removeanylockingdevicethatsecuresthecomputercover,suchasapadlockoraKensington-style
cablelock.

4.Removethetwoscrewsthatsecurethecomputercoverandslidethecomputercovertotherearto
removeit.

Figure11.Removingthecomputercover

82ThinkCentreE93HardwareMaintenanceManual

Removingandreinstallingthefrontbezel

Attention:DonotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingtheChapter

2“Safetyinformation”onpage3.

Thissectionprovidesinstructionsonhowtoremoveandreinstallthefrontbezel.

Toremoveandreinstallthefrontbezel,dothefollowing:

1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.

2.Removethecomputercover.See“Removingthecomputercover”onpage82.

3.Removethefrontbezelbyreleasingthethreeplastictabsontheleftsideandpivotingthefrontbezel
outward.

Figure12.Removingthefrontbezel

Chapter9.ReplacingFRUs(machinetype:10AR)83

4.Toreinstallthefrontbezel,alignthethreeplastictabsontherightsideofthefrontbezelwiththe
correspondingholesinthechassis,thenpivotthefrontbezelinwardsuntilitsnapsintopositionon
theleftside.

Figure13.Reinstallingthefrontbezel

Whattodonext:

•T oworkwithanotherpieceofhardware,gototheappropriatesection.

•T ocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage119.

Replacingtheharddiskdrive

Attention:DonotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingtheChapter

2“Safetyinformation”onpage3.

Thissectionprovidesinstructionsonhowtoreplacetheharddiskdrive.

Toreplacetheharddiskdrive,dothefollowing:

1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.

2.Removethecomputercover.See“Removingthecomputercover”onpage82.

3.Locatetheharddiskdrive.See“Locatinginternaldrives”onpage73.

Note:Thereisalsoasecondaryharddiskdrivebayforyoutopurchaseandinstallasecondaryhard
diskdrivebyyourself.Ifyouwanttoinstallasecondaryharddiskdrive,usethesamewayofinstalling
theharddiskdrive.

4.Disconnectthesignalcableandthepowercablefromtheharddiskdrive.

84ThinkCentreE93HardwareMaintenanceManual

5.Removethefourscrewsthatsecuretheharddiskdrive.Then,slidetheharddiskdriveoutofthechassis.

Figure14.Removingtheharddiskdrive

Chapter9.ReplacingFRUs(machinetype:10AR)85

6.Slidethenewharddiskdriveintotheharddiskdrivebayandalignthescrewholesinthenewhard
diskdrivewiththecorrespondingholesinthedrivebay.Then,installthefourscrewstosecurethe
newharddiskdriveinplace.

Figure15.Installingtheharddiskdrive

7.Connectoneendofthesignalcabletotherearofthenewharddiskdriveandtheotherendtoan
availableSATAconnectoronthesystemboard.See“Locatingpartsonthesystemboard”onpage71
Then,locateanavailablefour-wirepowerconnectorandconnectittotherearofthenewharddiskdrive.

Whattodonext:

•T oworkwithanotherpieceofhardware,gototheappropriatesection.

•T ocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage119.

Replacingthesolid-statedrive

Attention:DonotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingtheChapter

2“Safetyinformation”onpage3.

Thissectionprovidesinstructionsonhowtoreplacethesolid-statedrive.

Toreplacethestorageconverterwiththesolid-statedriveinstalledinit,youmightfollowthestepsof
replacingtheharddiskdrive.See“Replacingtheharddiskdrive”onpage84.

Toreplacethesolid-statedriveinthestorageconverter,dothefollowing:

.

86ThinkCentreE93HardwareMaintenanceManual

1.Removethefourscrewsthatsecurethesolid-statedrivetothestorageconverter.Then,removethe
drivefromtheconverterasshown.

Figure16.Removingthesolid-statedrivefromthestorageconverter

2.Takethenewsolid-statedriveoutofthestatic-protectivepackage.

3.Positionthesolid-statedriveintothestorageconvertersothattheholesinthedrivearealignedwith
thecorrespondingholesintheconverter.Then,installthefourscrewstosecurethesolid-statedrive
totheconverter.

Figure17.Installingthesolid-statedriveintothestorageconverter

Chapter9.ReplacingFRUs(machinetype:10AR)87

Replacingtheopticaldrive

Attention:DonotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingtheChapter

2“Safetyinformation”onpage3.

Thissectionprovidesinstructionsonhowtoreplacetheopticaldrive.

Note:Theopticaldriveisonlyavailableinsomemodels.

Toreplaceanopticaldrive,dothefollowing:

1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.

2.Removethecomputercover.See“Removingthecomputercover”onpage82.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage83.

4.Disconnectthesignalcableandthepowercablefromtheopticaldrive.

5.Removethethreescrewsthatsecuretheopticaldrive.Then,slidetheopticaldriveoutofthefront
ofthecomputer.

Figure18.Removingtheopticaldrive

88ThinkCentreE93HardwareMaintenanceManual

6.Slidethenewopticaldriveintothedrivebayfromthefrontandalignthescrewholesinthenewoptical
drivewiththecorrespondingholesinthedrivebay.Then,installthethreescrewstosecurethenew
opticaldriveinplace.

Figure19.Installingtheopticaldrive

7.Connectoneendofthesignalcabletotherearofthenewopticaldriveandtheotherendtoanavailable
SATAconnectoronthesystemboard.See“Replacingthesystemboard”onpage107.Then,locatean
availablefour-wirepowerconnectorandconnectittotherearofthenewopticaldrive.

Whattodonext:

•T oworkwithanotherpieceofhardware,gototheappropriatesection.

•T ocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage119.

Replacingtheslimcardreader

Attention:DonotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingtheChapter

2“Safetyinformation”onpage3.

Thissectionprovidesinstructionsonhowtoreplacetheslimcardreader.

Note:Theslimcardreaderisonlyavailableinsomemodels.

Toreplacetheslimcardreader,dothefollowing:

1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.

2.Removethecomputercover.See“Removingthecomputercover”onpage82.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage83.

4.Notethecableroutingoftheinstalledslimcardreaderanddisconnectthecableoftheslimcard
readerfromthesystemboard.

Chapter9.ReplacingFRUs(machinetype:10AR)89

5.Removethescrewthatsecurestheslimcardreaderbracketandthenremovethebracketfromthe
chassis.

Figure20.Removingtheslimcardreaderbracket

6.Removethetwoscrewsthatsecurethecardreadertothebracket.Then,slidethecardreaderas
showntoremoveitfromthebracket.

Note:Touchonlytheedgesofthecardreader.Donottouchthecircuitboardofit.

Figure21.Removingtheslimcardreaderfromthebracket

7.Takethenewcardreaderoutofthestatic-protectivepackagebyitssides.

8.Alignthenewcardreaderintheslimcardreaderbracketandslidethecardreaderintotherailasshown
untilitstops.Then,installthetwoscrewstosecurethenewcardreadertothebracket.

90ThinkCentreE93HardwareMaintenanceManual

Figure22.Installingthenewslimcardreaderintothebracket

9.Routethecableofthenewcardreaderthroughthecorrespondingholeforthecardreaderbracketin
thefrontofthechassis.

10.Installthebracketintothechassissothattheholeinthebracketisalignedwiththecorrespondinghole
inthechassis.Then,Installthescrewtosecurethecardreaderbrackettothechassis.

Figure23.Installingtheslimcardreaderbracket

11.Connectthecableofthenewslimcardreadertothesystemboard.See“Locatingpartsonthe
systemboard”onpage71.

Whattodonext:

•T oworkwithanotherpieceofhardware,gototheappropriatesection.

•T ocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage119

Chapter9.ReplacingFRUs(machinetype:10AR)91

.

ReplacingthefrontaudioandUSBassembly

Attention:DonotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingtheChapter

2“Safetyinformation”onpage3.

ThissectionprovidesinstructionsonhowtoreplacethefrontaudioandUSBassembly.

ToreplacethefrontaudioandUSBassembly,dothefollowing:

1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.

2.Removethecomputercover.See“Removingthecomputercover”onpage82.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage83.

4.LocatethefrontaudioandUSBassembly.

5.DisconnectthefrontaudioandUSBassemblycablesfromthesystemboard.See“Locatingpartson
thesystemboard”onpage71

Note:Makesureyounotethelocationsofthecableswhenyoudisconnectthecablesfromthesystem
board.

6.RemovethescrewthatsecuresthefrontaudioandUSBassemblybrackettothechassistoremove
thebracketfromthechassis.

.

Figure24.RemovingthefrontaudioandUSBassembly

7.InstallthenewfrontaudioandUSBassemblybracketintothechassisandalignthescrewholeinthe
bracketwiththecorrespondingholeinthechassis.

8.InstallthescrewtosecurethenewfrontaudioandUSBassemblytothechassis.

9.ReconnectthefrontaudioandUSBassemblycablestothefrontaudioconnectorandthefrontUSB
connectoronthesystemboard.See“Locatingpartsonthesystemboard”onpage71.

Whattodonext:

•T oworkwithanotherpieceofhardware,gototheappropriatesection.

92ThinkCentreE93HardwareMaintenanceManual

•T ocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage119.

Replacingthepowersupplyassembly

Attention:DonotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingtheChapter

2“Safetyinformation”onpage3

Thissectionprovidesinstructionsonhowtoreplacethepowersupplyassembly.

Althoughtherearenomovingpartsinyourcomputerafterthepowercordhasbeendisconnected,the
followingwarningsarerequiredforyoursafetyandproperUnderwritersLaboratories(UL)certification.

CAUTION:

Hazardousmovingparts.Keepfingersandotherbodypartsaway.

.

CAUTION:
Neverremovethecoveronapowersupplyoranypartthathasthefollowinglabelattached.

Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislabel
attached.Therearenoserviceablepartsinsidethesecomponents.Ifyoususpectaproblemwith
oneoftheseparts,contactaservicetechnician.

Toreplacethepowersupplyassembly,dothefollowing:

1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.

2.Removethecomputercover.See“Removingthecomputercover”onpage82.

3.Disconnectthepowersupplyassemblycablesfromalldrivesandfromthe14-pinpowerconnectorand
4-pinpowerconnectoronthesystemboard.See“Locatingpartsonthesystemboard”onpage71.

Chapter9.ReplacingFRUs(machinetype:10AR)93

4.Laythecomputeronitssideandremovethefourscrewsattherearofthechassisthatsecurethe
powersupplyassembly.

Figure25.Removingthescrewsforthepowersupplyassembly

5.Slidethepowersupplyassemblytothefrontofthecomputerandpivotitdownwardstodisengageit
fromthechassis.Then,liftthepowersupplyassemblyoutofthechassis.

Figure26.Removingthepowersupplyassembly

6.Makesurethatthenewpowersupplyassemblyisthecorrectreplacement.

7.Installthenewpowersupplyassemblyintothechassissothatthescrewholesinthepowersupply
assemblyalignwiththoseinthechassis.

8.Installandtightenthefourscrewstosecurethepowersupplyassembly.

Note:UseonlyscrewsprovidedbyLenovo.

9.Reconnectthepowersupplyassemblycablestothesystemboardandeachofthedrives.

94ThinkCentreE93HardwareMaintenanceManual

10.Securethepowersupplyassemblycableswiththecableclipsandtiesinthechassis.

Whattodonext:

•T oworkwithanotherpieceofhardware,gototheappropriatesection.

•T ocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage119.

Replacingthesystemfan

Attention:DonotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingtheChapter

2“Safetyinformation”onpage3.

Thissectionprovidesinstructionsonhowtoreplacethesystemfan.

Toreplacethesystemfan,dothefollowing:

1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.

2.Removethecomputercover.See“Removingthecomputercover”onpage82.

3.Locatethesystemfan.See“LocatingmajorFRUsandCRUs”onpage69.

4.Notethecableroutinganddisconnectthesystemfancablefromthesystemfanconnectoronthe
systemboard.See“Locatingpartsonthesystemboard”onpage71

5.Thesystemfanisattachedtothechassisbyfourrubbermounts.Removethesystemfanbybreakingor
cuttingtherubbermountsandgentlypullingthesystemfanoutofthechassis.

.

Note:Thenewsystemfanwillhavefournewrubbermountsattached.

Figure27.Removingthesystemfan

6.Installthenewsystemfanbyaligningthenewrubbermountswiththecorrespondingholesinthe
chassisandpushtherubbermountsthroughtheholes.

Chapter9.ReplacingFRUs(machinetype:10AR)95

7.Pullonthetipsoftherubbermountsuntilthenewsystemfanissecuredinplace.

Figure28.Installingthesystemfan

8.Connectthenewsystemfancabletothesystemfanconnectoronthesystemboard.See“Locating
partsonthesystemboard”onpage71.

Whattodonext:

•T oworkwithanotherpieceofhardware,gototheappropriatesection.

•T ocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage119.

Replacingtheheatsinkandfanassembly

Attention:DonotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingtheChapter

2“Safetyinformation”onpage3

Thissectionprovidesinstructionsonhowtoreplacetheheatsinkandfanassembly.

CAUTION:

Theheatsinkandfanassemblymightbeveryhot.Beforeyouopenthecomputercover,turnoffthe
computerandwaitseveralminutesuntilthecomputeriscool.

Toreplacetheheatsinkandfanassembly,dothefollowing:

1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.

2.Removethecomputercover.See“Removingthecomputercover”onpage82.

3.Laythecomputeronitssideforeasieraccesstothesystemboard.

.

96ThinkCentreE93HardwareMaintenanceManual