Lenovo 1761E4U User manual

ThinkCentre

UserGuide

MachineTypes:1654,1664,1665,1677,1738,1739,1741,1761,

1762,1763,1782,1837,1938,1942,1962,and1966.

Note

Beforeusingthisinformationandtheproductitsupports,besuretoreadandunderstandthe“Important

safetyinformation”onpageiiiandAppendixA“Notices”onpage77.

ThirdEdition(December2011)

©CopyrightLenovo2011.

LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuantaGeneralServicesAdministration

“GSA”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.GS-35F-05925.

Contents

Importantsafetyinformation.....iii

Serviceandupgrades.............iii

Staticelectricityprevention...........iii

Powercordsandpoweradapters........iv

Extensioncordsandrelateddevices.......iv

Plugsandoutlets...............v

Externaldevices...............v

Heatandproductventilation..........v

Operatingenvironment............vi

Modemsafetyinformation...........vi

Lasercompliancestatement.........vii

Powersupplystatement...........vii

Cleaningandmaintenance..........vii

Chapter1.Productoverview......1

Features..................1

Specications................4

Softwareoverview..............4

SoftwareprovidedbyLenovo........4

AdobeReader..............7

Antivirussoftware.............7

Locations..................7

Locatingconnectors,controls,andindicators

onthefrontofyourcomputer........8

Locatingconnectorsontherearofyour

computer................9

Adjustingthecomputerstand.......10

Machinetypeandmodellabel.......11

Chapter2.Usingyourcomputer...13

Frequentlyaskedquestions.........13

Usingthekeyboard.............13

UsingWindowsshortcutkeys.......13

Usingangerprintreader........14

Usingthewheelmouse...........14

Adjustingaudio..............14

Aboutyourcomputeraudio........14

Settingthevolumefromthedesktop....15

SettingthevolumefromControlPanel...15

UsingCDsandDVDs............15

HandlingandstoringCDandDVDmedia..15

PlayingaCDorDVD..........16

RecordingaCDorDVD.........16

Usingthesingle-touchandmulti-touchfeature..16

Colortemperatureadjustment........17

Selectingapre-denedcolortemperature..17

SwitchingtoRGBadjustment.......18

Makingbrightnessadjustment.......18

Chapter3.Youandyourcomputer..21

Accessibilityandcomfort..........21

Arrangingyourworkspace........21

Comfort...............21

Glareandlighting............22

Aircirculation.............22

Electricaloutletsandcablelengths.....22

RegisteryourcomputerwithLenovo......23

Movingyourcomputertoanothercountryor

region..................23

Voltage-selectionswitch.........23

Replacementpowercords........23

Chapter4.Security..........25

Securityfeatures..............25

Attachinganintegratedcablelock.......26

Usingpasswords..............26

BIOSpasswords............26

Windowspasswords..........27

Settingthengerprintreader.........27

Usingandunderstandingrewalls.......27

Protectingdataagainstviruses........27

Chapter5.Installingorreplacing

hardware...............29

Installingorreplacinghardware........29

Installingexternaloptions........29

Installingacomputerwallmount......29

Removingandreinstallingthemonitorstand.29

ReplacingtheUSBkeyboardormouse...30

Replacingthewirelesskeyboard......31

Replacingthewirelessmouse.......31

Obtainingdevicedrivers.........34

Chapter6.Recoveryinformation...35

Creatingandusingrecoverymedia......35

Creatingrecoverymedia.........35

Usingrecoverymedia..........36

Performingbackupandrecoveryoperations...36

Performingabackupoperation......36

Performingarecoveryoperation......37

UsingtheRescueandRecoveryworkspace...37

Creatingandusingarescuemedium......38

Creatingarescuemedium........38

Usingarescuemedium.........38

©CopyrightLenovo2011

i

Reinstallingpreinstalledapplicationsanddevice

drivers..................39

Reinstallingsoftwareprograms........40

Reinstallingdevicedrivers..........40

Solvingrecoveryproblems..........40

Chapter7.UsingtheSetupUtility

program................43

StartingtheSetupUtilityprogram.......43

Viewingandchangingsettings........43

Usingpasswords..............43

Passwordconsiderations.........44

Power-OnPassword..........44

AdministratorPassword.........44

HardDiskPassword...........44

Setting,changing,anddeletingapassword.44

Enablingordisablingadevice........45

Selectingastartupdevice..........45

Selectingatemporarystartupdevice....45

Selectingorchangingthestartupdevice

sequence...............45

ExitingfromtheSetupUtilityprogram.....46

Chapter8.Updatingsystem

programs...............47

Usingsystemprograms...........47

Updating(ashing)theBIOSfromadisc....47

Updating(ashing)theBIOSfromyouroperating

system..................48

Chapter9.Preventingproblems...49

Keepingyourcomputercurrent........49

Gettingthelatestdevicedriversforyour

computer...............49

Updatingyouroperatingsystem......49

UsingSystemUpdate..........49

Cleaningandmaintenance..........50

Basics................50

Cleaningyourcomputer.........51

Goodmaintenancepractices.......52

Movingyourcomputer...........52

Chapter10.Troubleshootingand

diagnostics..............53

Basictroubleshooting............53

Troubleshootingprocedure..........54

Troubleshooting..............54

Audioproblems............55

CDproblems.............56

DVDproblems.............57

Intermittentproblems..........59

Keyboard,mouse,orpointingdevice

problems...............59

Monitorproblems............61

Networkingproblems..........62

Optionproblems............65

Performanceandlockupproblems.....66

Printerproblems............67

Serialportproblems...........67

Softwareproblems...........68

USBproblems.............69

Diagnosticprograms............69

LenovoSolutionCenter.........70

LenovoThinkVantageToolbox.......70

PC-DoctorforDOS...........70

Chapter11.Gettinginformation,help,

andservice..............73

Informationresources............73

LenovoThinkVantageTools........73

LenovoWelcome............73

HelpandSupport............73

SafetyandWarranty...........73

LenovoWebsite(http://www.lenovo.com)..73

LenovoSupportWebsite.........74

Helpandservice..............74

Usingthedocumentationanddiagnostic

programs...............74

Callingforservice............74

Usingotherservices..........75

Purchasingadditionalservices......75

AppendixA.Notices..........77

Trademarks................78

AppendixB.Regulatory

information..............79

Exportclassicationnotice..........79

Televisionoutputnotice...........79

Electronicemissionsnotices.........79

FederalCommunicationsCommission

DeclarationofConformity........79

Additionalregulatoryinformation.......81

AppendixC.WEEEandrecycling

information..............83

ImportantinformationfortheEuropeanDirective

2002/96/EC................83

Recyclinginformation............83

Index..................85

iiThinkCentreUserGuide

Importantsafetyinformation

CAUTION:

Beforeusingthismanual,besuretoreadandunderstandalltherelatedsafetyinformationforthis

product.RefertotheinformationinthissectionandthesafetyinformationintheThinkCentreSafety

andWarrantyGuidethatyoureceivedwiththisproduct.Readingandunderstandingthissafety

informationreducestheriskofpersonalinjuryanddamagetoyourproduct.

IfyounolongerhaveacopyoftheThinkCentreSafetyandWarrantyGuide,youcanobtainaPortable

DocumentFormat(PDF)versionfromtheLenovo

®

SupportWebsiteathttp://www.lenovo.com/support.The

LenovoSupportWebsitealsoprovidestheThinkCentreSafetyandWarrantyGuideandthisThinkCentre

UserGuideinadditionallanguages.

Serviceandupgrades

DonotattempttoserviceaproductyourselfunlessinstructedtodosobytheCustomerSupportCenteror

yourdocumentation.OnlyuseaServiceProviderwhoisapprovedtorepairyourparticularproduct.

Note:Somecomputerpartscanbeupgradedorreplacedbythecustomer.Upgradestypicallyare

referredtoasoptions.ReplacementpartsapprovedforcustomerinstallationarereferredtoasCustomer

ReplaceableUnits,orCRUs.Lenovoprovidesdocumentationwithinstructionswhenitisappropriatefor

customerstoinstalloptionsorreplaceCRUs.Youmustcloselyfollowallinstructionswheninstallingor

replacingparts.TheOffstateofapowerindicatordoesnotnecessarilymeanthatvoltagelevelsinsidea

productarezero.Beforeyouremovethecoversfromaproductequippedwithapowercord,alwaysmake

surethatthepoweristurnedoffandthattheproductisunpluggedfromanypowersource.Formore

informationonCRUs,refertoChapter5“Installingorreplacinghardware”onpage29

.Ifyouhaveany

questionsorconcerns,contacttheCustomerSupportCenter.

Althoughtherearenomovingpartsinyourcomputerafterthepowercordhasbeendisconnected,the

followingwarningsarerequiredforyoursafety.

CAUTION:

Hazardousmovingparts.Keepngersandotherbodypartsaway.

CAUTION:

BeforereplacinganyCRUs,turnoffthecomputerandwaitthreetoveminutestoletthecomputer

coolbeforeopeningthecover.

Staticelectricityprevention

Staticelectricity,althoughharmlesstoyou,canseriouslydamagecomputercomponentsandoptions.

Improperhandlingofstatic-sensitivepartscancausedamagetothepart.Whenyouunpackanoption

©CopyrightLenovo2011

iii

orCRU,donotopenthestatic-protectivepackagecontainingthepartuntiltheinstructionsdirectyou

toinstallit.

WhenyouhandleoptionsorCRUs,orperformanyworkinsidethecomputer,takethefollowingprecautions

toavoidstatic-electricitydamage:

•Limityourmovement.Movementcancausestaticelectricitytobuilduparoundyou.

•Alwayshandlecomponentscarefully.Handleadapters,memorymodules,andothercircuitboardsbythe

edges.Nevertouchexposedcircuitry.

•Preventothersfromtouchingcomponents.

•Whenyouinstallastatic-sensitiveoptionorCRU,touchthestatic-protectivepackagecontainingthe

parttoametalexpansion-slotcoverorotherunpaintedmetalsurfaceonthecomputerforatleasttwo

seconds.Thisreducesstaticelectricityinthepackageandyourbody.

•Whenpossible,removethestatic-sensitivepartfromthestatic-protectivepackagingandinstallthepart

withoutsettingitdown.Whenthisisnotpossible,placethestatic-protectivepackagingonasmooth,

levelsurfaceandplacethepartonit.

•Donotplacethepartonthecomputercoverorothermetalsurface.

Powercordsandpoweradapters

Useonlythepowercordsandpoweradapterssuppliedbytheproductmanufacturer.

Thepowercordsshallbesafetyapproved.ForGermany,itshallbeH05VV-F,3G,0.75mm

2

,orbetter.For

othercountries,thesuitabletypesshallbeusedaccordingly.

Neverwrapapowercordaroundapoweradapterorotherobject.Doingsocanstressthecordinwaysthat

cancausethecordtofray,crack,orcrimp.Thiscanpresentasafetyhazard.

Alwaysroutepowercordssothattheywillnotbewalkedon,trippedover,orpinchedbyobjects.

Protectpowercordandpoweradaptersfromliquids.Forinstance,donotleaveyourpowercordorpower

adapternearsinks,tubs,toilets,oronoorsthatarecleanedwithliquidcleansers.Liquidscancausea

shortcircuit,particularlyifthepowercordorpoweradapterhasbeenstressedbymisuse.Liquidsalsocan

causegradualcorrosionofpowercordterminalsand/ortheconnectorterminalsonapoweradapter,

whichcaneventuallyresultinoverheating.

Alwaysconnectpowercordsandsignalcablesinthecorrectorderandensurethatallpowercord

connectorsaresecurelyandcompletelypluggedintoreceptacles.

Donotuseanypoweradapterthatshowscorrosionattheacinputpinsorshowssignsofoverheating(such

asdeformedplastic)attheacinputoranywhereonthepoweradapter.

Donotuseanypowercordswheretheelectricalcontactsoneitherendshowsignsofcorrosionor

overheatingorwherethepowercordappearstohavebeendamagedinanyway.

Extensioncordsandrelateddevices

Ensurethatextensioncords,surgeprotectors,uninterruptiblepowersupplies,andpowerstripsthatyouuse

areratedtohandletheelectricalrequirementsoftheproduct.Neveroverloadthesedevices.Ifpowerstrips

areused,theloadshouldnotexceedthepowerstripinputrating.Consultanelectricianformoreinformation

ifyouhavequestionsaboutpowerloads,powerrequirements,andinputratings.

ivThinkCentreUserGuide

Plugsandoutlets

Ifareceptacle(poweroutlet)thatyouintendtousewithyourcomputerequipmentappearstobedamaged

orcorroded,donotusetheoutletuntilitisreplacedbyaqualiedelectrician.

Donotbendormodifytheplug.Iftheplugisdamaged,contactthemanufacturertoobtainareplacement.

Donotshareanelectricaloutletwithotherhomeorcommercialappliancesthatdrawlargeamountsof

electricity;otherwise,unstablevoltagemightdamageyourcomputer,data,orattacheddevices.

Someproductsareequippedwithathree-prongedplug.Thisplugtsonlyintoagroundedelectricaloutlet.

Thisisasafetyfeature.Donotdefeatthissafetyfeaturebytryingtoinsertitintoanon-groundedoutlet.If

youcannotinserttheplugintotheoutlet,contactanelectricianforanapprovedoutletadapterortoreplace

theoutletwithonethatenablesthissafetyfeature.Neveroverloadanelectricaloutlet.Theoverallsystem

loadshouldnotexceed80percentofthebranchcircuitrating.Consultanelectricianformoreinformation

ifyouhavequestionsaboutpowerloadsandbranchcircuitratings.

Besurethatthepoweroutletyouareusingisproperlywired,easilyaccessible,andlocatedclosetothe

equipment.Donotfullyextendpowercordsinawaythatwillstressthecords.

Besurethatthepoweroutletprovidesthecorrectvoltageandcurrentfortheproductyouareinstalling.

Carefullyconnectanddisconnecttheequipmentfromtheelectricaloutlet.

Externaldevices

DonotconnectordisconnectanyexternaldevicecablesotherthanUniversalSerialBus(USB)and1394

cableswhilethecomputerpowerison;otherwise,youmightdamageyourcomputer.Toavoidpossible

damagetoattacheddevices,waitatleastvesecondsafterthecomputerisshutdowntodisconnect

externaldevices.

Heatandproductventilation

Computers,poweradapters,andmanyaccessoriescangenerateheatwhenturnedonandwhenbatteries

arecharging.Alwaysfollowthesebasicprecautions:

•Donotleaveyourcomputer,poweradapter,oraccessoriesincontactwithyourlaporanypartofyour

bodyforanextendedperiodwhentheproductsarefunctioningorwhenthebatteryischarging.Your

computer,poweradapter,andmanyaccessoriesproducesomeheatduringnormaloperation.Extended

contactwiththebodycouldcausediscomfortor,potentially,askinburn.

•Donotchargethebatteryoroperateyourcomputer,poweradapter,oraccessoriesnearammable

materialsorinexplosiveenvironments.

•Ventilationslots,fans,andheatsinksareprovidedwiththeproductforsafety,comfort,andreliable

operation.Thesefeaturesmightinadvertentlybecomeblockedbyplacingtheproductonabed,sofa,

carpet,orotherexiblesurface.Neverblock,cover,ordisablethesefeatures.

Inspectyourdesktopcomputerfordustaccumulationatleastonceeverythreemonths.Beforeinspecting

yourcomputer,turnoffthepowerandunplugthecomputer'spowercordfromtheelectricaloutlet;then

removeanydustfromventsandperforationsinthebezel.Ifyounoticeexternaldustaccumulation,then

examineandremovedustfromtheinsideofthecomputerincludingheatsinkinletns,powersupplyvents,

andfans.Alwaysturnoffandunplugthecomputerbeforeopeningthecover.Ifpossible,avoidoperating

yourcomputerwithintwofeetofhigh-trafcareas.Ifyoumustoperateyourcomputerinornearahigh-trafc

area,inspectand,ifnecessary,cleanyourcomputermorefrequently.

©CopyrightLenovo2011

v

Foryoursafetyandtomaintainoptimumcomputerperformance,alwaysfollowthesebasicprecautions

withyourdesktopcomputer:

•Keepthecoverclosedwheneverthecomputerispluggedin.

•Regularlyinspecttheoutsideofthecomputerfordustaccumulation.

•Removedustfromventsandanyperforationsinthebezel.Morefrequentcleaningsmightberequiredfor

computersindustyorhigh-trafcareas.

•Donotrestrictorblockanyventilationopenings.

•Donotstoreoroperateyourcomputerinsidefurniture,asthismightincreasetheriskofoverheating.

•Airowtemperaturesintothecomputershouldnotexceed35°C(95°F).

•Donotinstallairltrationdevices.Theymayinterferewithpropercooling.

Operatingenvironment

Theoptimalenvironmentinwhichtouseyourcomputeris10°C-35°C(50°F-95°F)withhumidityranging

between20%and80%.Ifyourcomputerisstoredortransportedintemperatureslessthan10°C(50°F),

allowthecoldcomputertoriseslowlytoanoptimaloperatingtemperatureof10°C-35°C(50°F-95°F)before

use.Thisprocesscouldtaketwohoursinextremeconditions.Failuretoallowyourcomputertorisetoan

optimaloperatingtemperaturebeforeusecouldresultinirreparabledamagetoyourcomputer.

Ifpossible,placeyourcomputerinawell-ventilatedanddryareawithoutdirectexposuretosunshine.

Keepelectricalappliancessuchasanelectricfan,radio,high-poweredspeakers,airconditioner,and

microwaveovenawayfromyourcomputerbecausethestrongmagneticeldsgeneratedbythese

appliancescandamagethemonitoranddataontheharddiskdrive.

Donotplaceanybeveragesontopoforbesidethecomputerorotherattacheddevices.Ifliquidisspilledon

orinthecomputeroranattacheddevice,ashortcircuitorotherdamagemightoccur.

Donoteatorsmokeoveryourkeyboard.Particlesthatfallintoyourkeyboardcancausedamage.

Modemsafetyinformation

CAUTION:

Toreducetheriskofre,useonlyNo.26AWGorlarger(forexample,No.24AWG)telecommunication

linecordlistedbyUnderwritersLaboratories(UL)orcertiedbytheCanadianStandardsAssociation

(CSA).

Toreducetheriskofre,electricalshock,orinjurywhenusingtelephoneequipment,alwaysfollowbasic

safetyprecautions,suchas:

•Neverinstalltelephonewiringduringalightningstorm.

•Neverinstalltelephonejacksinwetlocationsunlessthejackisspecicallydesignedforwetlocations.

•Nevertouchuninsulatedtelephonewiresorterminalsunlessthetelephonelinehasbeendisconnectedat

thenetworkinterface.

•Usecautionwheninstallingormodifyingtelephonelines.

•Avoidusingatelephone(otherthanacordlesstype)duringanelectricalstorm.Theremaybearemote

riskofelectricshockfromlightning.

•Donotusethetelephonetoreportagasleakinthevicinityoftheleak.

viThinkCentreUserGuide

Lasercompliancestatement

CAUTION:

Whenlaserproducts(suchasCD-ROMs,DVDdrives,beropticdevices,ortransmitters)are

installed,notethefollowing:

•Donotremovethecovers.Removingthecoversofthelaserproductcouldresultinexposureto

hazardouslaserradiation.Therearenoserviceablepartsinsidethedevice.

•Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespeciedherein

mightresultinhazardousradiationexposure.

DANGER

SomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing.

Laserradiationwhenopen.Donotstareintothebeam,donotviewdirectlywithoptical

instruments,andavoiddirectexposuretothebeam.

Powersupplystatement

Neverremovethecoveronapowersupplyoranypartthathasthefollowinglabelattached.

Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislabelattached.

Therearenoserviceablepartsinsidethesecomponents.Ifyoususpectaproblemwithoneoftheseparts,

contactaservicetechnician.

Cleaningandmaintenance

Keepyourcomputerandworkspaceclean.Shutdownthecomputerandthendisconnectthepower

cordbeforecleaningthecomputer.Donotsprayanyliquiddetergentdirectlyonthecomputeroruse

anydetergentcontainingammablematerialtocleanthecomputer.Spraythedetergentonasoftcloth

andthenwipethecomputersurfaces.

©CopyrightLenovo2011

vii

viiiThinkCentreUserGuide

Chapter1.Productoverview

Thischapterprovidesinformationaboutthecomputerfeatures,specications,softwareprogramsprovided

byLenovo,andlocationsofconnectors,components,partsonthesystemboard,andinternaldrives.

Features

Thissectionintroducesthecomputerfeatures.Theinformationcoversavarietyofmodels.

Toviewtheinformationaboutyourspecicmodel,dooneofthefollowing:

•GointotheLenovoBIOSSetupUtilityprogrambyfollowingtheinstructionsinChapter7“Usingthe

SetupUtilityprogram”onpage43.Then,selectMain➙SystemSummarytoviewtheinformation.

•InWindowsenvironment,clickStart,right-clickComputer,andselectPropertiestoviewtheinformation.

Microprocessor

Yourcomputercomeswithoneofthefollowingmicroprocessors(internalcachesizevariesbymodeltype):

•Intel

®

Core™i3microprocessor

•IntelCorei5microprocessor

•IntelCorei7microprocessor

•IntelCeleron®microprocessor

•IntelPentium®microprocessor

Memory

Yourcomputersupportsuptotwodoubledatarate3smalloutlinedualinlinememorymodules(DDR3

SODIMMs).

Note:Themaximumsystemmemorycapacityis8GB.

Internaldrives

•Cardreader

•OneslimSerialAdvancedTechnologyAttachment(SATA)opticaldrive

•Oneharddiskdrive(StandardSATAharddiskdrive);onesolidstatedrive(SSD)(availableinsomemodels)

Videosubsystem

•OneDisplayPortoutconnector

Audiosubsystem

•Integratedhigh-denition(HD)audio

•Microphoneconnectorandheadphoneconnectoronthefrontpanel

•Internalspeaker

Connectivity

•10/100/1000MbpsEthernetcontroller

©CopyrightLenovo2011

1

Systemmanagementfeatures

•Abilitytostorepower-onself-test(POST)hardwaretestresults

•DesktopManagementInterface(DMI)

DesktopManagementInterfaceprovidesacommonpathforuserstoaccessinformationaboutall

aspectsofacomputer,includingprocessortype,installationdate,attachedprintersandotherperipherals,

powersources,andmaintenancehistory.

•PrebootExecutionEnvironment(PXE)

ThePrebootExecutionEnvironmentisanenvironmenttostartcomputersusinganetworkinterface

independentofdatastoragedevices(suchastheharddiskdrive)orinstalledoperatingsystems.

•SystemManagement(SM)BasicInput/OutputSystem(BIOS)andSMsoftware

TheSMBIOSspecicationdenesdatastructuresandaccessmethodsinaBIOSthatallowsauseror

applicationtostoreandretrieveinformationspecicaboutthecomputerinquestion.

•WakeonLAN

WakeonLANisanEthernetcomputernetworkingstandardthatallowsacomputertobeturnedon

orwokenupbyanetworkmessage.Themessageisusuallysentbyaprogramrunningonanother

computeronthesamelocalareanetwork.

•WakeonRing

WakeonRing,sometimesreferredtoasWakeonModem,isaspecicationthatallowssupported

computersanddevicestoresumefromsleeporhibernationmode.

•WindowsManagementInstrumentation(WMI)

WindowsManagementInstrumentationisasetofextensionstotheWindowsDriverModel.Itprovidesan

operatingsysteminterfacethroughwhichinstrumentedcomponentsprovideinformationandnotication.

Colortemperatureadjustment

Thecolortemperatureadjustmentfunctionenablesyoutoadjustthecolortemperatureandbrightnessof

yourcomputermonitor.Fordetailedinstructions,see“Colortemperatureadjustment”onpage17

.

Input/Output(I/O)features

•9-pinserialport

•SixUniversalSerialBus(USB)connectors

•OneEthernetconnector

•Twoaudioconnectors(microphoneconnectorandheadphoneconnector)

Formoreinformation,see“Locatingconnectors,controls,andindicatorsonthefrontofyourcomputer”on

page8

and“Locatingconnectorsontherearofyourcomputer”onpage9.

Expansion

•Oneopticaldrivebay

•Oneharddiskdrivebay

Powersupply

Yourcomputercomeswith150-wattautomaticvoltage-sensingpowersupply.

Securityfeatures

•ComputraceAgentsoftwareembeddedinrmware

2ThinkCentreUserGuide

•Coverpresenceswitch(alsocalledintrusionswitch)

•Abilitytoenableordisableadevice

•AbilitytoenableanddisableUSBconnectorsindividually

•Keyboardwithngerprintreader(shippedwithsomemodels)

•Power-onpassword(POP),administratorpassword,andharddiskdrivepasswordtodeterunauthorized

useofyourcomputer

•Startupsequencecontrol

•Startupwithoutkeyboardormouse

•Supportforanintegratedcablelock(Kensingtonlock)

•TrustedPlatformModule(TPM)

Formoreinformation,seeChapter4“Security”onpage25

.

Preinstalledsoftwareprograms

Yourcomputerispreinstalledwithsoftwareprogramstohelpyouworkmoreeasilyandsecurely.Formore

information,see“Softwareoverview”onpage4.

Preinstalledoperatingsystem

YourcomputerispreinstalledwiththeMicrosoft

®

Windows

®

7operatingsystem.

Operatingsystem(s),certiedortestedforcompatibility

1

(variesbymodeltype)

•Linux

®

•MicrosoftWindowsXPProfessionalSP3

1.Theoperatingsystem(s)listedherearebeingcertiedortestedforcompatibilityatthetimethispublicationgoesto

press.AdditionaloperatingsystemsmightbeidentiedbyLenovoascompatiblewithyourcomputerfollowingthe

publicationofthismanual.Thislistissubjecttochange.Todetermineifanoperatingsystemhasbeencertiedor

testedforcompatibility,checktheWebsiteoftheoperatingsystemvendor.

Chapter1.Productoverview3

Specications

Thissectionliststhephysicalspecicationsforyourcomputer.

Dimensions

Width:506.8mm(19.95inches)

Height:411.0mm(16.18inches)

Depth:71.5mm(2.81inches)fornon-touchmodel;78.0mm(3.07inches)fortouchmodel

Weight

Maximumcongurationasshipped:7.54kg(16.62lb)fornon-touchmodel;8.85kg(19.51lb)fortouchmodel

Environment

•Airtemperature:

Operating:10°Cto35°C(50°Fto95°F)

Non-operating:-20°Cto60°C(-4°Fto140°F)

Non-operating:-10°Cto60°C(14°Fto140°F)(withoutpackage)

•Humidity:

Operating:20%to80%(non-condensing)

Non-operating:20%to90%(non-condensing)

•Altitude:

Operating:-50to10000ft(-15.2to3048m)

Non-operating:-50to35000ft(-15.2to10668m)

Electricalinput

•Inputvoltage:

–Lowrange:

Minimum:100Vac

Maximum:127Vac

Inputfrequencyrange:50to60Hz

–Highrange:

Minimum:200Vac

Maximum:240Vac

Inputfrequencyrange:50to60Hz

Softwareoverview

Thecomputercomeswithapreinstalledoperatingsystemandseveralsoftwareprogramsprovidedby

Lenovo.

SoftwareprovidedbyLenovo

ThefollowingsoftwareprogramsareprovidedbyLenovotohelpyouimproveproductivityandreducethe

costassociatedwithmaintainingyourcomputer.Softwareprogramsprovidedwithyourcomputermight

varydependingonyourcomputermodeltypeandpreinstalledoperatingsystem.

4ThinkCentreUserGuide

LenovoThinkVantageTools

TheLenovoThinkVantage

®

Toolsprogramguidesyoutoahostofinformationsourcesandprovideseasy

accesstovarioustoolstohelpyouworkmoreeasilyandsecurely.

ToaccesstheLenovoThinkVantageToolsprogram,clickStart➙AllPrograms➙LenovoThinkVantage

Tools.

ThefollowingtableliststheprogramsthatyoucanaccessfromtheLenovoThinkVantageToolsprogram.To

accessaprogram,double-clickthecorrespondingicon.

Table1.ProgramiconnamesinLenovoThinkVantageTools

ProgramnameIconnameinLenovoThinkVantageTools

CreateRecoveryMedia

FactoryRecoveryDisks

FingerprintSoftware

FingerprintReader

LenovoSolutionCenterorLenovoThinkVantageToolboxSystemHealthandDiagnostics

ThinkVantagePasswordManagerPasswordVault

ThinkVantagePowerManager

PowerControls

ThinkVantageRescueandRecovery

®

EnhancedBackupandRestore

ThinkVantageSystemUpdate

UpdateandDrives

CommunicationsUtilityWebConferencing

ViewManagementUtility

ScreenLayout

LenovoWelcome

TheLenovoWelcomeprogramintroducesyoutosomeinnovativebuilt-infeaturesofLenovoandguidesyou

throughafewimportantsetuptaskstohelpyoumakethemostofyourcomputer.

FingerprintSoftware

Theintegratedngerprintreaderprovidedonsomekeyboardsenablesyoutoenrollyourngerprintand

associateitwithyourpower-onpassword,harddiskdrivepassword,andWindowspassword.Asaresult,

ngerprintauthenticationcanreplacepasswordsandenablesimpleandsecureuseraccess.Angerprint

readerkeyboardisavailablewithselectcomputersorcanbepurchasedforcomputersthatsupportthis

option.

LenovoSolutionCenter

Note:Dependingonthedatewhenyourcomputerwasmanufactured,yourcomputerispreinstalledwith

eithertheLenovoSolutionCenterprogramortheLenovoThinkVantageToolboxprogramfordiagnostic

purposes.ForadditionalinformationabouttheLenovoThinkVantageToolboxprogram,see“Lenovo

ThinkVantageToolbox”onpage70.

TheLenovoSolutionCenterprogramenablesyoutotroubleshootandresolvecomputerproblems.It

combinesdiagnostictests,systeminformationcollection,securitystatus,andsupportinformation,along

withhintsandtipsformaximumsystemperformance.See“LenovoSolutionCenter”onpage70

fordetailed

information.

LenovoThinkVantageToolbox

Note:Dependingonthedatewhenyourcomputerwasmanufactured,yourcomputerispreinstalledwith

eithertheLenovoSolutionCenterprogramortheLenovoThinkVantageToolboxprogramfordiagnostic

purposes.ForadditionalinformationabouttheLenovoSolutionCenterprogram,see“LenovoSolution

Center”onpage70.

Chapter1.Productoverview5

TheLenovoThinkVantageToolboxprogramhelpsyoumaintainyourcomputer,improvecomputingsecurity,

diagnosecomputerproblems,getfamiliarwiththeinnovativetechnologiesprovidedbyLenovo,andgetmore

informationaboutyourcomputer.See“LenovoThinkVantageToolbox”onpage70fordetailedinformation.

ProductRecovery

TheProductRecoveryprogramenablesyoutorestorethecontentsoftheharddiskdrivetothefactory

defaultsettings.

ThinkVantagePasswordManager

TheThinkVantagePasswordManagerprogramautomaticallycapturesandllsinauthenticationinformation

forWindowsapplicationsandWebsites.

Notes:

•IfthePasswordVaulticonintheLenovoThinkVantageToolsprogramisdimmed,itindicatesthatyou

needtoinstalltheThinkVantagePasswordManagerprogrammanuallybeforeenablingitsfeatures.To

installtheThinkVantagePasswordManagerprogram,dothefollowing:

1.ClickStart➙AllPrograms➙LenovoThinkVantageTools,anddouble-clickPasswordVault.

2.Followtheinstructionsonthescreen.

3.Whentheinstallationprocesscompletes,thePasswordVaulticonisactivated.

ThinkVantagePowerManager

TheThinkVantagePowerManagerprogramprovidesconvenient,exible,andcompletepowermanagement

foryourThinkCentre

®

computer.ByusingtheThinkVantagePowerManagerprogram,youcanadjustyour

powersettingstoachievethebestbalancebetweensystemperformanceandpowersaving.

ThinkVantageRescueandRecovery

TheThinkVantageRescueandRecoveryprogramisaonebuttonrecoveryandrestoresolutionthatincludes

asetofself-recoverytoolstohelpyoudiagnosecomputerproblems,gethelp,andrecoverfromsystem

crashes,evenifyoucannotstarttheWindowsoperatingsystem.

Note:IftheEnhancedBackupandRestoreiconintheLenovoThinkVantageToolsprogramisdimmed,it

indicatesthatyouneedtoinstalltheThinkVantageRescueandRecoveryprogrammanuallybeforeenabling

itsfeatures.ToinstalltheThinkVantageRescueandRecoveryprogram,dothefollowing:

1.ClickStart➙AllPrograms➙LenovoThinkVantageTools,anddouble-clickEnhancedBackup

andRestore.

2.Followtheinstructionsonthescreen.

3.Whentheinstallationprocesscompletes,theEnhancedBackupandRestoreiconisactivated.

ThinkVantageSystemUpdate

TheThinkVantageSystemUpdateprogramhelpsyoukeepthesoftwareonyourcomputerup-to-dateby

downloadingandinstallingsoftwarepackages(ThinkVantageapplications,devicedrivers,BIOSupdates,

andotherthirdpartyapplications).

CommunicationUtility

TheCommunicationsUtilityprogramprovidesacentrallocationforintegratedcameraandmicrophone

settings.ItcontrolsadvancedsettingsfortheintegratedmicrophoneandcameratooptimizeWeb

conferencingandVoiceoverIP(VOIP)experience.

6ThinkCentreUserGuide

ViewManagementUtility

TheViewManagementUtilityprogramenablesyoutoautomatewindowlocations.Itenhancesproductivity

byprovidingtheabilitytomovewindowstohotcornersandquicklysnapthemtoapredeterminedsize.

Itenablesyoutoworkacrossmultiplemonitors.

AdobeReader

TheAdobeReaderprogramisatoolusedtoview,print,andsearchPDFdocuments.

Antivirussoftware

Yourcomputercomeswithantivirussoftwarethatyoucanusetodetectandeliminateviruses.Lenovo

providesafullversionofantivirussoftwareonyourharddiskdrivewithafree30-daysubscription.After30

days,youmustrenewthelicensetocontinuereceivingtheantivirusprogramupdates.

Locations

Thissectionprovidesinformationtohelpyoulocatetheconnectorsonthefrontandrearofyourcomputer,

partsonthesystemboard,andcomponentsandinternaldrivesinyourcomputer.

Chapter1.Productoverview7

Locatingconnectors,controls,andindicatorsonthefrontofyour

computer

Figure1“Frontconnector,control,andindicatorlocations”onpage8showsthelocationsoftheconnectors,

controls,andindicatorsonthefrontofyourcomputer.

Figure1.Frontconnector,control,andindicatorlocations

1IntegratedMicrophone6Harddiskdriveactivityindictor

2Integratedcameraindicator

7Brightness-up/Auto-adjustingcontrol

1

3Integratedcamerablockshield8Brightness-downcontrol

4Liquidcrystaldisplay(LCD)panel

9Footstand

5Powerswitch

8ThinkCentreUserGuide

Locatingconnectorsontherearofyourcomputer

Figure2“Rearconnectorlocations”onpage9showsthelocationsoftheconnectorsontherearofyour

computer.Someconnectorsontherearofyourcomputerarecolor-codedtohelpyoudeterminewhereto

connectthecablesonyourcomputer.

Figure2.Rearconnectorlocations

1Opticaldrive7Cardreader

2USBconnector(4)8USBconnector

3Powercordconnector9Headphoneconnector

4Ethernetconnector10Microphoneconnector

5Serialport11USBconnector

6DisplayPortconnector

Chapter1.Productoverview9

ConnectorDescription

Ethernetconnector

UsedtoattachanEthernetcableforalocalareanetwork(LAN).

Note:TooperatethecomputerwithinFCCClassBlimits,useaCategory5Ethernet

cable.

USBconnectorUsedtoattachadevicethatrequiresaUSBconnector,suchasaUSBkeyboard,a

USBmouse,aUSBscanner,oraUSBprinter.IfyouhavemorethansixUSB

devices,youcanpurchaseaUSBhub,whichyoucanusetoconnectadditional

USBdevices.

Microphoneconnector

Usedtoattachamicrophonetoyourcomputerwhenyouwanttorecordsoundorif

youusespeech-recognitionsoftware.

DisplayPortoutconnector

Usedtoattachahigh-performancemonitor,adirect-drivemonitor,orotherdevices

thatuseaDisplayPortconnector.

Serialport

Usedtoattachanexternalmodem,aserialprinter,orotherdevicesthatusea

9-pinserialport.

Adjustingthecomputerstand

Yourcomputercomeswithacomputerstandthatyoucanusetoadjustthecomputertoyourcomfortable

position.Pullthestandopenandadjustthepositionofthecomputeratananglebetween10°to32°

asshowninthefollowingillustration.

CAUTION:

Makesurethattheangleisatleast10°fromthevertical;otherwise,thecomputermightbeunstable

andfallover.

Figure3.Adjustingthecomputerstand

10ThinkCentreUserGuide

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Lenovo 1761E4U User manual

Lenovo 1761E4U User manual

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