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Sommario

Pagina 1 - UserGuide

ThinkCentreE73UserGuideMachineTypes:10AS,10AV,10DR,and10DS

Pagina 2 - ThirdEdition(June2014)

Foryoursafetyandtomaintainoptimumcomputerperformance,alwaysfollowthesebasicprecautionswithyourdesktopcomputer:•Keepthecoverclosedwheneverthecomputeris

Pagina 3 - Contents

Manycomputersupplystorescarrythespecialcleaningfluidsfordisplays.UsecleaningfluidsdevelopedforLCDdisplaysonly.Firstapplythefluidtoalint-free,softcloth,th

Pagina 4

5.Disconnectcommunicationcables,suchasmodemornetworkcables,fromtheoutletsfirst,andthendisconnecttheotherendsfromthecomputer.6.Notewhereanyremainingcabl

Pagina 5

90ThinkCentreE73UserGuide

Pagina 6

Chapter10.TroubleshootinganddiagnosticsThischapterdescribessomebasictroubleshootinganddiagnosticprograms.Ifyourcomputerproblemisnotdescribedhere,seeCh

Pagina 7 - Importantsafetyinformation

SymptomActionTheoperatingsystemdoesnotstart.Verifythat:•Thestartupsequenceincludesthedevicewheretheoperatingsystemresides.Usually,theoperatingsystemis

Pagina 8 - Powercordsandpoweradapters

Ifthesymptomyourcomputerisexperiencingoccurredimmediatelyafteryouinstalledanewhardwareoptionornewsoftware,dothefollowingbeforereferringtothetroublesho

Pagina 9 - Heatandproductventilation

Note:Whenexternal-speakerorheadphonecablesareattachedtotheaudioconnector,theinternalspeaker,ifpresent,isdisabled.Inmostcases,ifanaudioadapterisinstall

Pagina 10 - Lasercompliancestatement

AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitisinsertedintoaCDdriveSymptom:AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplay

Pagina 11 - Cleaningandmaintenance

Actions:•RestarttheDVDplayerprogram.•Closeanyopenfiles,turnoffthecomputer,andthenrestartthecomputer.•Tryalowerscreenresolutionorcolordepth.Iftheseactio

Pagina 12

•EnsurethataDVDdiscisinthedrivewiththeshinysideofthediscfacingdown.•Ensurethatvideoresolutionissettolessthan1152x864.•OncomputersthathaveaCD-ROMorCD-R

Pagina 13 - Chapter1.Productoverview

PowersupplystatementNeverremovethecoveronapowersupplyoranypartthathasthefollowinglabelattached.Hazardousvoltage,current,andenergylevelsarepresentinsid

Pagina 14

4.Double-clickUSBEnhancedPerformanceKeyboard.TheUSBEnhancedPerformanceKeyboardCustomizationprogramstarts.–OntheWindows8orWindows8.1operatingsystem,dot

Pagina 15 - Chapter1.Productoverview3

ThewirelesskeyboarddoesnotworkSymptom:Thewirelesskeyboarddoesnotwork.Action:IftheTransceiverCommunicationsLEDisonandthewirelessKeyboarddoesnotwork,res

Pagina 16

Actions:•Makesurethatthemonitorsignalcableissecurelyconnectedtothemonitorandthemonitorconnectoronthecomputer.Aloosecablecancauseintermittentproblems.•

Pagina 17 - Lenovoprograms

3.Turnonthemonitor.Iftheseactionsdonotcorrecttheproblem,yourmonitormightneedservice.SeeChapter11“Gettinginformation,help,andservice”onpage111fordetail

Pagina 18

Note:FordetailedinformationonhowtoopenControlPanelonWindows8andWindows8.1,see“AccessingLenovoprogramsontheWindows8orWindows8.1operatingsystem”onpage6.

Pagina 19 - Chapter1.Productoverview7

AwirelessLANproblemSymptom:Youcannotconnectusingthebuilt-inwirelessnetworkingcard.Actions:•MakesurethatyourwirelessLANdriveristhelatestversion.Checkth

Pagina 20

•Youfollowedtheinstallationinstructionssuppliedwiththeoptionandtheinstallationinstructionsprovidedwithyourcomputer,andalloptionfiles(suchasdevicedriver

Pagina 21 - Locations

TochecktheamountoffreespaceontheWindows8.1operatingsystem,dothefollowing:1.OpenFileExplorer.2.Right-clickyourCdriveentryandthenclickProperties.Theamou

Pagina 22 - 10ThinkCentreE73UserGuide

4.ClicktheToolstab.5.ClickDefragmentNow,thenclickContinue.6.ClickDefragmentNowagaintostartadisk-defragmentationprocess.OntheWindows8orWindows8.1operat

Pagina 23 - .Productoverview11

•Makesurethattheserialcableissecurelyconnectedtotheserialportonthecomputerandtotheserialdevice.Iftheserialdevicehasitsownpowercord,makesurethatitisatt

Pagina 24 - Locatingcomponents

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Pagina 25 - Locatingpartsonthesystemboard

•Checkwithyoursoftwaremanufacturertoseeifanyupdatesareavailable.ManysoftwaremanufacturersmakeupdatesavailablefromtheWorldWideWeb.•Ifthesoftwareprogram

Pagina 26 - Machinetypeandmodellabel

2.YoucanalsodownloadthePC-DoctorforDOSdiagnosticprogramfromhttp://www.lenovo.com/support.See“PC-DoctorforDOS”onpage109fordetailedinformation.3.Ifyouar

Pagina 27 - .Productoverview15

1.Downloadaself-startingbootableCD/DVDimage(knownasanISOimage)ofthediagnosticprogramfrom:http://www.lenovo.com/support2.UseanyCD/DVDburningsoftwaretoc

Pagina 28 - 16ThinkCentreE73UserGuide

Chapter11.Gettinginformation,help,andserviceThischaptercontainsinformationabouthelp,service,andtechnicalassistanceforproductsmanufacturedbyLenovo.Info

Pagina 29 - Chapter2.Usingyourcomputer

LenovoSupportWebsiteTechnicalsupportinformationisavailableontheLenovoSupportWebsiteat:http://www.lenovo.com/supportThisWebsiteisupdatedwiththelatestsu

Pagina 30 - NavigatingonWindows8

•Installationandmaintenanceofnetworkoperatingsystems(NOS)•InstallationandmaintenanceofapplicationprogramsRefertotheSafety,Warranty,andSetupGuidethatco

Pagina 31 - NavigatingonWindows8.1

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Pagina 32

AppendixA.NoticesLenovomaynotoffertheproducts,services,orfeaturesdiscussedinthisdocumentinallcountries.ConsultyourlocalLenovorepresentativeforinformat

Pagina 33 - Adjustingaudio

TrademarksThefollowingtermsaretrademarksofLenovointheUnitedStates,othercountries,orboth:LenovoRescueandRecoveryTheLenovologoTheThinkCentrelogoThinkCen

Pagina 34 - Aboutyourcomputeraudio

AppendixB.RegulatoryinformationExportclassificationnoticeThisproductissubjecttotheUnitedStatesExportAdministrationRegulations(EAR)andhasanExportClassifi

Pagina 35 - PlayingaCDorDVD

Chapter1.ProductoverviewThischapterprovidesinformationaboutthecomputerfeatures,specifications,softwareprogramsprovidedbyLenovo,andlocationsofconnectors

Pagina 36 - RecordingaCDorDVD

IndustryCanadaClassBemissioncompliancestatementThisClassBdigitalapparatuscomplieswithCanadianICES-003.CetappareilnumériquedelaclasseBestconformeàlanor

Pagina 37 - Chapter3.Youandyourcomputer

DiesesGerätistberechtigt,inÜbereinstimmungmitdemDeutschenEMVGdasEG-Konformitätszeichen-CE-zuführen.VerantwortlichfürdieKonformitätserklärungnachParagr

Pagina 38 - Accessibilityinformation

AdditionalregulatoryinformationForadditionalregulatoryinformation,refertotheRegulatoryNoticeshippedwithyourcomputer.Dependingontheconfigurationofyourco

Pagina 39 - Chapter3.Youandyourcomputer27

AppendixC.WEEEandrecyclinginformationLenovoencouragesownersofinformationtechnology(IT)equipmenttoresponsiblyrecycletheirequipmentwhenitisnolongerneede

Pagina 40

SomeLenovocomputerproductssoldinJapanmayhavecomponentsthatcontainheavymetalsorotherenvironmentalsensitivesubstances.Toproperlydisposeofdisusedcomponen

Pagina 41 - Chapter3.Youandyourcomputer29

BatteriesorpackagingforbatteriesarelabeledinaccordancewithEuropeanDirective2006/66/ECconcerningbatteriesandaccumulatorsandwastebatteriesandaccumulator

Pagina 42 - Registeringyourcomputer

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Pagina 43 - Chapter4.Security

AppendixD.RestrictionofHazardousSubstancesDirective(RoHS)EuropeanUnionRoHSLenovoproductssoldintheEuropeanUnion,onorafter3January2013meettherequirement

Pagina 44 - Lockingthecomputercover

UkraineRoHSIndiaRoHSRoHScompliantasperE-Waste(Management&Handling)Rules,2011.126ThinkCentreE73UserGuide

Pagina 45 - BIOSpasswords

AppendixE.ChinaEnergyLabel©CopyrightLenovo2013,2014127

Pagina 46 - Protectingdataagainstviruses

•Internalspeaker(installedinsomemodels)Connectivity•PCIExpressFaxmodem(somemodels)Systemmanagementfeatures•Abilitytostorepower-onself-test(POST)hardwa

Pagina 47 - Removingthecomputercover

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Pagina 48

AppendixF.ENERGYSTARmodelinformationENERGYSTAR®isajointprogramoftheU.S.EnvironmentalProtectionAgencyandtheU.S.DepartmentofEnergyaimedatsavingmoneyandp

Pagina 49

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Pagina 50

IndexAarescuemedium,creatingandusing72Administrator,password78audioline-inconnector11audioline-outconnector11audiosubsystem1Bbackupandrecoveryoperatio

Pagina 51

Kkeyboard,replacing65LLenovoSolutionCenter109LenovoThinkVantageToolbox109LenovoThinkVantageTools111locatingcomponents12Mmedia,creatingandusingrecovery

Pagina 52 - 1asshownto

locatingparts13locations13memorymodule41Ttemporarystartupdevice80theBIOS,updating(flashing)83–84trademarks116troubleshooting,basic91troubleshooting,dia

Pagina 53

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Pagina 56

Input/Output(I/O)features•OneDisplayPortconnector•OneEthernetconnector•One9-pinserialport(optional)•OneVGAmonitorconnector•SixUniversalSerialBus(USB)c

Pagina 57

Yourcomputerispreinstalledwithsoftwareprogramstohelpyouworkmoreeasilyandsecurely.Formoreinformation,see“Lenovoprograms”onpage5.Preinstalledoperatingsy

Pagina 58 - Replacingtheopticaldrive

SpecificationsThissectionliststhephysicalspecificationsforyourcomputer.DimensionsWidth:160mm(6.3inches)Height:396.5mm(15.6inches)Depth:399.6mm(15.7inche

Pagina 59

programname.YoucanfindtheprogrambyitsprogramnameoriconnameasshownintheLenovoprogramsavailableontheWindows7operatingsystemtable.Note:Ifyoudonotfindthepro

Pagina 60

•OntheWindows8.1operatingsystem,presstheWindowskeytogototheStartscreen.ClickaLenovoprogramtolaunchit.Ifyoucannotfindtheprogramyouneed,clickthearrowicon

Pagina 61

Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadandunderstandthe“Importantsafetyinformation”onpagevandAppendixA“Notices”onpage115.T

Pagina 62

ThroughtheLenovoCompanionprogram,youcangettheinformationabouttheaccessoriesforyourcomputer,viewblogsandarticlesaboutyourcomputer,andcheckforotherrecom

Pagina 63

TheRescueandRecoveryprogramisaone-buttonrecoveryandrestoresolutionthatincludesasetofself-recoverytoolstohelpyoudiagnosecomputerproblems,gethelp,andrec

Pagina 64 - Replacingthemicroprocessor

Locatingconnectors,controls,andindicatorsonthefrontofyourcomputerFigure1“Frontconnector,control,andindicatorlocations”onpage10showsthelocationsoftheco

Pagina 65 - 2onthemicroprocessor

LocatingconnectorsontherearofyourcomputerFigure2“Rearconnectorlocations”onpage11showsthelocationsoftheconnectorsontherearofyourcomputer.Someconnectors

Pagina 66

ConnectorDescriptionMicrophoneconnectorUsedtoattachamicrophonetoyourcomputerwhenyouwanttorecordsoundorifyouusespeech-recognitionsoftware.USB2.0connect

Pagina 67 - Replacingtherearfanassembly

LocatingpartsonthesystemboardFigure4“Systemboardpartlocations”onpage13showsthelocationsofthepartsonthesystemboard.Figure4.Systemboardpartlocations14-p

Pagina 68

LocatinginternaldrivesInternaldrivesaredevicesthatyourcomputerusestoreadandstoredata.Youcanadddrivestoyourcomputertoincreasestoragecapacityandenableyo

Pagina 69 - ReplacingtheWiFiunits

Thefollowingisasampleofthemachinetypeandmodellabel.Machine Type: XXXXModel Number: XXX3456Figure6.MachinetypeandmodellabelChapter1.Productoverview15

Pagina 70 - RemovingtheWiFicardmodule

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Pagina 71 - InstallingtheWiFiunits

Chapter2.UsingyourcomputerThischapterprovidesinformationonusingsomeofthecomputercomponents.FrequentlyaskedquestionsThefollowingareafewtipsthatwillhelp

Pagina 72 - 60ThinkCentreE73UserGuide

ContentsImportantsafetyinformation...vServiceandupgrades...vStaticelectricityprevention...vPowercordsandpoweradapters...viEx

Pagina 73

NavigatingamongscreensontheWindows8andWindows8.1operatingsystemsThissectionprovidesinstructionsonhowtonavigateamongthedesktop,theStartscreen,andapplic

Pagina 74 - RemovingtherearWiFiantenna

1.Swipeinandoutontheleftedgeofthescreen.Representationsofallavailableworkspacesaredisplayedalongtheleftedgeofthescreen.2.Tapthedesiredworkspace.•Metho

Pagina 75 - InstallingthefrontWiFiantenna

–Usingapointingdevice:1.Dooneofthefollowing:•Movethepointertotheextremetop-leftcornerofthescreenandthenmovethepointerdownwardalongtheleftedgeofthescre

Pagina 76

–ForWindows8.1:1.Clickthearrowiconinthebottom-leftcornerofthescreentogototheAppsscreen.2.Scrolltotherightside,andclickControlPanelintheWindowsSystemse

Pagina 77 - Replacingthekeyboardormouse

AboutyourcomputeraudioIfafactory-installed,high-performanceaudioadapterisinstalledinyourcomputer,thesystem-boardaudioconnectorsontherearofthecomputera

Pagina 78 - Completingthepartsreplacement

2.IntheSoundsection,clickAdjustsystemvolume.3.Movetheslidersupordowntoraiseorlowerthevolumeofyourcomputer.UsingCDsandDVDsYourcomputermighthaveaDVDROMd

Pagina 79 - Obtainingdevicedrivers

ToremoveaCDorDVDfromtheDVDdrive,dothefollowing:1.Withthecomputeron,presstheEject/Loadbutton.Whenthetrayslidesoutautomatically,carefullyremovethedisc.2

Pagina 80 - 68ThinkCentreE73UserGuide

Chapter3.YouandyourcomputerThischapterprovidesinformationaboutaccessibility,comfort,andrelocatingyourcomputertoothercountriesorregions.Accessibilityan

Pagina 81 - Chapter6.Recoveryinformation

GlareandlightingPositionthemonitortominimizeglareandreflectionsfromoverheadlights,windows,andotherlightsources.Reflectedlightfromshinysurfacescancausean

Pagina 82 - Performingabackupoperation

computer.Asaresult,systemalertsarenoticeableevenwhentheyarenotheard.Forexample,whenyouselectoneobjectwithyourkeyboard,theobjectishighlighted.Whenyoumo

Pagina 83 - Performingarecoveryoperation

Completingthepartsreplacement...66Chapter6.Recoveryinformation...69RecoveryinformationfortheWindows7operatingsystem...69Creatingandus

Pagina 84 - Creatingandusingarescuemedium

FormoreinformationabouthowtouseandconfigureSpeechRecognition,seetheWindowsHelpandSupportinformationsystem.CustomizabletextsizeDependingonyourpreference

Pagina 85

•“Zoom”onpage28EaseofAccesskeyboardshortcutsThefollowingtablecontainskeyboardshortcutsthatcanhelpmakeyourcomputereasiertouse.KeyboardshortcutFunctionW

Pagina 86 - Solvingrecoveryproblems

TTY/TDDconversionmodemYourcomputersupportstheuseofthetexttelephone(TTY)orthetelecommunicationsdeviceforthedeaf(TDD)conversionmodem.Themodemneedstobeco

Pagina 87 - Refreshingyourcomputer

Chapter4.SecurityThischapterprovidesinformationabouthowtoprotectyourcomputerfromtheftandunauthorizeduse.SecurityfeaturesThefollowingsecurityfeaturesar

Pagina 88

LockingthecomputercoverLockingthecomputercoverhelpspreventunauthorizedpeoplefromgainingaccesstotheinsideofyourcomputer.Yourcomputercomeswithapadlocklo

Pagina 89 - Viewingandchangingsettings

AttachingaKensington-stylecablelockYoucanuseaKensington-stylecablelocktosecureyourcomputertoadesk,table,orothernon-permanentfixture.Thecablelockattache

Pagina 90 - HardDiskPassword

•AdministratorPassword:SettinganAdministratorPassworddetersunauthorizedusersfromchangingconfigurationsettings.Ifyouareresponsibleformaintainingtheconfig

Pagina 91 - Enablingordisablingadevice

Chapter5.InstallingorreplacinghardwareThischapterprovidesinstructionsonhowtoinstallorreplacehardwareforyourcomputer.Handlingstatic-sensitivedevicesDon

Pagina 92 - EnablingErPLPScompliancemode

Thissectionprovidesinstructionsonhowtoremovethecomputercover.CAUTION:Beforeyouopenthecomputercover,turnoffthecomputerandwaitseveralminutesuntilthecomp

Pagina 93 - ExitingtheSetupUtilityprogram

Toremoveandreinstallthefrontbezel,dothefollowing:1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.2.Removethecomputercover.See“Remo

Pagina 94 - 82ThinkCentreE73UserGuide

AppendixB.Regulatoryinformation...117Exportclassificationnotice...117Televisionoutputnotice...117Electronicemissionsnotices...

Pagina 95 - Usingsystemprograms

4.Toreinstallthefrontbezel,alignthethreeplastictabsontherightsideofthefrontbezelwiththecorrespondingholesinthechassis,thenpivotthefrontbezelinwardsunt

Pagina 96

3.Attherearofthecomputer,removethescrewthatsecuresthePCIExpresscardlatch.3456Figure12.RemovingthescrewthatsecuresthePCIExpresscardlatch4.Dependingonwh

Pagina 97 - Chapter9.Preventingproblems

•IfyouarereplacinganoldPCIExpresscard,grasptheoldcardthatiscurrentlyinstalledandgentlypullitoutoftheslot.3456Figure13.RemovingaPCIExpresscardNotes:a.T

Pagina 98 - UsingSystemUpdate

7.PivotthecardlatchtotheclosedpositiontosecurethePCIExpresscard.3456Figure14.InstallingaPCIExpresscard8.ReinstallthescrewtosecurethePCIExpresscardlatc

Pagina 99 - Cleaningyourcomputer

•Ifyouarereplacinganoldmemorymodule,opentheretainingclipsandgentlypullthememorymoduleoutofthememoryslot.Figure15.Removingamemorymodule•Ifyouareinstall

Pagina 100 - Movingyourcomputer

7.Positionthenewmemorymoduleoverthememoryslot.Makesurethatthenotch1onthememorymodulealignscorrectlywiththeslotkey2onthesystemboard.Pushthememorymodule

Pagina 101 - Chapter9.Preventingproblems89

4.Removetheoldbattery.Figure18.Removingtheoldbattery5.Installanewbattery.Figure19.Installinganewbattery6.Reinstallthecomputercoverandconnectthecables.

Pagina 102 - 90ThinkCentreE73UserGuide

3456Figure20.Removingtheprimaryharddiskdrive6.Slidethenewharddiskdriveintotheharddiskdrivebayandalignthescrewholesinthenewharddiskdrivewiththecorrespo

Pagina 103 - Basictroubleshooting

7.ConnectoneendofthesignalcabletotherearofthenewharddiskdriveandtheotherendtoanavailableSATAconnectoronthesystemboard.See“Locatingpartsonthesystemboar

Pagina 104 - Troubleshooting

Figure23.Removingtheopticaldrive5.Slidethenewopticaldriveintothedrivebayfromthefrontandalignthescrewholesinthenewopticaldrivewiththecorrespondingholes

Pagina 105 - Audioproblems

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Pagina 106 - CDproblems

6.ConnectoneendofthesignalcabletotherearofthenewopticaldriveandtheotherendtoanavailableSATAconnectoronthesystemboard.See“Locatingpartsonthesystemboard

Pagina 107 - DVDproblems

Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislabelattached.Therearenoserviceablepartsinsidethesecomponents.Ifyoususp

Pagina 108 - Playbackisverysloworchoppy

Whattodonext:•Toworkwithanotherpieceofhardware,gototheappropriatesection.•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”on

Pagina 109 - Intermittentproblems

6.Followthissequencetoremovethefourscrewsthatsecuretheheatsinkandfanassemblytothesystemboard:a.Partiallyremovescrew1,thenfullyremovescrew2,andthenfull

Pagina 110 - ThinkCentreE73UserGuide

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage66.ReplacingthemicroprocessorAttention:Donotopenyourcomputerorattempt

Pagina 111 - Monitorproblems

Figure29.RemovingthemicroprocessorNotes:a.Yourmicroprocessorandsocketmightlookdifferentfromtheoneillustrated.b.Notetheorientationofthemicroprocessorin

Pagina 112 - Theimageisdiscolored

10.Lowerthenewmicroprocessorstraightdownintothemicroprocessorsocketonthesystemboard.Figure30.Installingthemicroprocessor11.Closethemicroprocessorretai

Pagina 113 - Networkingproblems

6.RemovethescrewthatsecuresthefrontaudioandUSBassemblybrackettothechassistoremovethebracketfromthechassis.Figure31.RemovingthefrontaudioandUSBassembly

Pagina 114

5.Therearfanassemblyisattachedtothechassisbyfourrubbermounts.Removetherearfanassemblybybreakingorcuttingtherubbermountsandgentlypullingtherearfanassem

Pagina 115 - Optionproblems

7.Pullonthetipsoftherubbermountsuntiltherearfanassemblyissecuredinplace.Figure33.Installingtherearfanassembly8.Connecttherearfanassemblycabletothesyst

Pagina 116 - Performanceandlockupproblems

ImportantsafetyinformationCAUTION:Beforeusingthismanual,besuretoreadandunderstandalltherelatedsafetyinformationforthisproduct.Refertotheinformationint

Pagina 117

3.Attherearofthecomputer,removethescrewthatsecuresthePCIExpresscardlatch.4.GrasptheWiFiadaptercardthatiscurrentlyinstalledandgentlypullitoutoftheslot.

Pagina 118 - Serialportproblems

2.RemovethetwoscrewsthatsecuretheWiFicardmoduletotheWiFiadaptercard.Figure36.RemovingthescrewsthatsecuretheWiFicardmodule3.PulltheWiFicardmoduleoutoft

Pagina 119 - Softwareproblems

1.InserttheWiFicardmoduleintotheminiPCIExpressslot,andtheninstallthetwoscrewstosecuretheWiFicardmoduletotheWiFiadaptercard.Figure38.InstallingtheWiFic

Pagina 120 - Diagnosticprograms

2.ConnectthefrontantennacableandrearantennacabletotheWiFicardmodule.Figure39.InstallingtheWiFiantennacables3.InstalltheWiFiadaptercardintothePCIExpres

Pagina 121 - PC-DoctorforDOS

InstallingorremovingtherearWiFiantennaAttention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”onp

Pagina 122

3.HoldthethickerendoftherearWiFiantennaandunscrewtheWiFiantennafromtherearofthecomputer.3456Figure42.RemovingtherearWiFiantennaWhattodonext:•Toworkwit

Pagina 123 - LenovoWebsite

Figure43.Peelingoffthepaperthatprotectsthestickers5.Stickthefrontantennatothefrontpanelasshown.Theninsertthefrontantennacablethroughtheholeinthefrontp

Pagina 124 - Callingforservice

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage66.RemovingthefrontWiFiantennaToremovethefrontWiFiantenna,dothefollow

Pagina 125 - Purchasingadditionalservices

2.ConnectanewkeyboardormousetooneoftheUSBconnectorsonthecomputer.Dependingonwhereyouwanttoconnectthenewkeyboardormouse,see“Locatingconnectors,controls

Pagina 126 - 114ThinkCentreE73UserGuide

4.Positionthecomputercoveronthechassissothattherailguidesonthebottomofthecomputercoverengagetherailsonthechassis.Then,pushthecovertothefrontofthecompu

Pagina 127 - AppendixA.Notices

orCRU,donotopenthestatic-protectivepackagecontainingthepartuntiltheinstructionsdirectyoutoinstallit.WhenyouhandleoptionsorCRUs,orperformanyworkinsidet

Pagina 128 - Trademarks

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Pagina 129 - Electronicemissionsnotices

Chapter6.RecoveryinformationThischapterprovidesinformationabouttherecoverysolutionsprovidedbyLenovo.•“RecoveryinformationfortheWindows7operatingsystem

Pagina 130

CreatingrecoverymediaThissectionprovidesinstructionsonhowtocreaterecoverymediaondifferentoperatingsystems.Note:OntheWindows7operatingsystem,youcancrea

Pagina 131 - Mexicoregulatorynotice

1.FromtheWindowsdesktop,clickStart➙AllPrograms➙LenovoThinkVantageTools➙EnhancedBackupandRestore.TheRescueandRecoveryprogramopens.2.IntheRescueandRecov

Pagina 132

2.Turnonyourcomputer.Whenyouseethelogoscreen,pressEnter,andthenpressF11toentertheRescueandRecoveryworkspace.3.IfyouhavesetaRescueandRecoverypassword,t

Pagina 133 - RecyclinginformationforJapan

2.RepeatedlypressandreleasetheF12keywhenturningonthecomputer.WhenthePleaseselectbootdevicewindowopens,releasetheF12key.3.InthePleaseselectbootdevicewi

Pagina 134 - RecyclinginformationforBrazil

ReinstallingsoftwareprogramsIfasoftwareprogramyouinstalledonyourcomputerisnotworkingcorrectly,youmightneedtoremoveandreinstallit.Reinstallingoverwrite

Pagina 135

RecoveryinformationfortheWindows8orWindows8.1operatingsystemThissectionprovidesinformationabouttherecoverysolutionsprovidedoncomputerspreinstalledwith

Pagina 136 - 124ThinkCentreE73UserGuide

1.Movethepointertothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.ClickSettings➙ChangePCsettings➙General.2.IntheAdvancedstartupsection,c

Pagina 137 - TurkishRoHS

Chapter7.UsingtheSetupUtilityprogramTheSetupUtilityprogramisusedtoviewandchangetheconfigurationsettingsofyourcomputer,regardlessofwhichoperatingsystemy

Pagina 138 - IndiaRoHS

PlugsandoutletsIfareceptacle(poweroutlet)thatyouintendtousewithyourcomputerequipmentappearstobedamagedorcorroded,donotusetheoutletuntilitisreplacedbya

Pagina 139 - AppendixE.ChinaEnergyLabel

•AdministratorPassword•HardDiskPasswordYoudonothavetosetanypasswordstouseyourcomputer.However,usingpasswordsimprovescomputingsecurity.Ifyoudecidetoset

Pagina 140 - 128ThinkCentreE73UserGuide

2.FromtheSetupUtilityprogrammainmenu,selectSecurity.3.Dependingonthepasswordtype,selectSetPower-OnPassword,SetAdministratorPassword,orHardDiskPassword

Pagina 141 - ©CopyrightLenovo2013,2014

SelectingastartupdeviceIfyourcomputerdoesnotstartupfromadevicesuchasthediscorharddiskdriveasexpected,dooneofthefollowingtoselectthestartupdeviceyouwan

Pagina 142 - 130ThinkCentreE73UserGuide

•Pressingthepowerbutton•EnablingthewakeuponalarmfeatureThewakeuponalarmfeatureenablesyourcomputertowakeupatasettime.Toenablethewakeuponalarmfeature,do

Pagina 143

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Pagina 144 - 132ThinkCentreE73UserGuide

Chapter8.UpdatingsystemprogramsThischapterprovidesinformationaboutupdatingthePOSTandBIOS,andhowtorecoverfromaPOSTandBIOSupdatefailure.Usingsystemprogr

Pagina 145

Updating(flashing)theBIOSfromyouroperatingsystemNote:BecauseLenovomakesconstantimprovementstoitsWebsites,theWebpagecontentsaresubjecttochangewithoutnot

Pagina 146 - 134ThinkCentreE73UserGuide

Chapter9.PreventingproblemsThischapterprovidesinformationthatcanhelpyouavoidcommonproblemsandkeepyourcomputerrunningsmoothly.Keepingyourcomputercurren

Pagina 147

UsingSystemUpdateTheSystemUpdateprogramhelpsyoukeepthesoftwareonyourcomputerup-to-date.UpdatepackagesarestoredonLenovoserversandcanbedownloadedfromthe

Pagina 148

CleaningyourcomputerItisagoodpracticetocleanyourcomputerperiodicallytoprotectthesurfacesandensuretrouble-freeoperation.CAUTION:Besuretoturnoffthecompu

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