Lenovo 2756D7U User manual

ThinkCentre

UserGuide

MachineTypes:2697,2698,2742,2750,2935,2943,2960,2967,

2986,2992,2994,2999,3182,3184,3186,3190,3201,3204,3208,

3212,3217,3220,3226,3228,3302,3391,and3392

Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadandunderstandthe

“Importantsafetyinformation”onpagevandAppendixA“Notices”onpage131.

FourthEdition(May2012)

©CopyrightLenovo2012.

LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuantaGeneralServicesAdministration

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

Contents

Importantsafetyinformation......v

Serviceandupgrades.............v

Staticelectricityprevention...........v

Powercordsandpoweradapters........vi

Extensioncordsandrelateddevices.......vi

Plugsandoutlets..............vii

Externaldevices..............vii

Heatandproductventilation.........vii

Operatingenvironment...........viii

Modemsafetyinformation..........viii

Lasercompliancestatement..........ix

Powersupplystatement............ix

Cleaningandmaintenance...........ix

Chapter1.Productoverview......1

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

Specications................5

Softwareoverview..............5

SoftwareprovidedbyLenovo........5

AdobeReader..............8

Antivirussoftware.............8

Locations..................8

Locatingconnectors,controls,andindicators

onthefrontofyourcomputer........9

Locatingconnectorsontherearofyour

computer...............10

Locatingcomponents..........12

Locatingpartsonthesystemboard....12

Locatinginternaldrives.........15

Machinetypeandmodellabel.......16

Chapter2.Usingyourcomputer...17

Frequentlyaskedquestions.........17

Usingthekeyboard.............17

UsingWindowsshortcutkeys.......17

UsingtheblueThinkVantagebutton....18

Usingangerprintreader........18

Usingthewheelmouse...........18

Adjustingaudio..............18

Aboutyourcomputeraudio........19

Settingthevolumefromthedesktop....19

SettingthevolumefromControlPanel...19

UsingCDsandDVDs............19

HandlingandstoringCDandDVDmedia..20

PlayingaCDorDVD..........20

RecordingaCDorDVD.........20

Chapter3.Youandyourcomputer..23

Accessibilityandcomfort..........23

Arrangingyourworkspace........23

Comfort...............23

Glareandlighting............24

Aircirculation.............24

Electricaloutletsandcablelengths.....24

Registeringyourcomputer..........25

Movingyourcomputertoanothercountryor

region..................25

Voltage-selectionswitch.........25

Replacementpowercords........26

Chapter4.Security..........27

Securityfeatures..............27

Lockingthecomputercover.........28

Attachingacablelock............29

Attachinganintegratedcablelock.......30

Usingpasswords..............30

BIOSpasswords............30

Windowspasswords..........31

Conguringthengerprintreader.......31

Usingandunderstandingrewalls.......31

Protectingdataagainstviruses........31

Chapter5.Installingorreplacing

hardware...............33

Handlingstatic-sensitivedevices.......33

Installingorreplacinghardware........33

Installingexternaloptions........33

Removingthecomputercover.......34

Removingandreinstallingthefrontbezel..35

InstallingorreplacingaPCIcard......35

Installingorreplacingamemorymodule...38

Installingorreplacingtheopticaldrive...40

Installingorreplacingthecardreader....42

Replacingthebattery..........46

Replacingthepowersupplyassembly...47

Replacingtheheatsinkandfanassembly..49

Replacingthemicroprocessor.......51

Installingthesolidstatedrive.......54

InstallingorreplacingthemSATAsolidstate

drive.................55

Replacingtheprimaryharddiskdrive....61

Replacingthesecondaryharddiskdrive...63

Replacingthefrontfanassembly.....65

Replacingtherearfanassembly......66

©CopyrightLenovo2012

i

ReplacingthefrontaudioandUSB

assembly...............68

Replacingtheinternalspeaker.......69

Replacingthethermalsensor.......71

Replacingthecoverpresenceswitch....73

ReplacingtheWiFiunits.........75

InstallingorremovingtherearWiFiantenna.82

InstallingorremovingthefrontWiFiantenna.83

Replacingthekeyboardormouse.....85

Completingthepartsreplacement.....86

Chapter6.Recoveryinformation...89

Creatingandusingrecoverymedia......89

Creatingrecoverymedia.........89

Usingrecoverymedia..........90

Performingbackupandrecoveryoperations...90

Performingabackupoperation......90

Performingarecoveryoperation......91

UsingtheRescueandRecoveryworkspace...91

Creatingandusingarescuemedium......92

Creatingarescuemedium........92

Usingarescuemedium.........92

Reinstallingpreinstalledapplicationsanddevice

drivers..................93

Reinstallingsoftwareprograms........94

Reinstallingdevicedrivers..........94

Solvingrecoveryproblems..........94

Chapter7.UsingtheSetupUtility

program................97

StartingtheSetupUtilityprogram.......97

Viewingandchangingsettings........97

Usingpasswords..............97

Passwordconsiderations.........98

Power-OnPassword..........98

AdministratorPassword.........98

HardDiskPassword...........98

Setting,changing,anddeletingapassword.98

Erasinglostorforgottenpasswords(clearing

CMOS)................99

Enablingordisablingadevice........99

Selectingastartupdevice..........100

Selectingatemporarystartupdevice....100

Selectingorchangingthestartupdevice

sequence...............100

EnablingErPcompliancemode........100

ICEperformancemode...........101

ICEthermalalert..............101

ExitingtheSetupUtilityprogram.......102

Chapter8.Updatingsystem

programs..............103

Usingsystemprograms...........103

Updating(ashing)theBIOSfromadisc....103

Updating(ashing)theBIOSfromyouroperating

system..................104

RecoveringfromaPOST/BIOSupdatefailure..104

Chapter9.Preventingproblems..105

Keepingyourcomputercurrent........105

Gettingthelatestdevicedriversforyour

computer...............105

Updatingyouroperatingsystem......105

UsingSystemUpdate..........106

Cleaningandmaintenance..........106

Basics................106

Cleaningyourcomputer.........107

Goodmaintenancepractices.......108

Movingyourcomputer...........108

Chapter10.Troubleshootingand

diagnostics.............109

Basictroubleshooting............109

Troubleshootingprocedure..........110

Troubleshooting..............110

Audioproblems............111

CDproblems.............112

DVDproblems.............113

Intermittentproblems..........115

Keyboard,mouse,orpointingdevice

problems...............115

Monitorproblems............116

Networkingproblems..........118

Optionproblems............121

Performanceandlockupproblems.....122

Printerproblems............123

Serialportproblems...........123

Softwareproblems...........124

USBproblems.............125

LenovoSolutionCenter...........125

Chapter11.Gettinginformation,help,

andservice.............127

Informationresources............127

LenovoThinkVantageTools........127

LenovoWelcome............127

HelpandSupport............127

SafetyandWarranty...........127

LenovoWebsite(http://www.lenovo.com)..127

LenovoSupportWebsite.........127

Helpandservice..............128

Usingthedocumentationanddiagnostic

program...............128

Callingforservice............128

iiThinkCentreUserGuide

Usingotherservices..........129

Purchasingadditionalservices......129

AppendixA.Notices.........131

Trademarks................132

AppendixB.Regulatory

information.............133

Exportclassicationnotice..........133

Electronicemissionsnotices.........133

FederalCommunicationsCommission

DeclarationofConformity........133

Additionalregulatoryinformation.......135

AppendixC.WEEEandrecycling

information.............137

ImportantWEEEInformation.........137

Recyclinginformation............137

RecyclinginformationforBrazil........138

BatteryrecyclinginformationforTaiwan.....138

BatteryrecyclinginformationfortheEuropean

Union..................139

AppendixD.RestrictionofHazardous

SubstancesDirective(RoHS)....141

ChinaRoHS................141

TurkishRoHS...............141

UkraineRoHS...............141

IndiaRoHS................142

AppendixE.EkBilgiler.......143

AppendixF.Servisistasyonlari...145

Index.................153

©CopyrightLenovo2012

iii

ivThinkCentreUserGuide

Importantsafetyinformation

CAUTION:

Beforeusingthismanual,besuretoreadandunderstandalltherelatedsafetyinformationforthis

product.RefertotheinformationinthissectionandthesafetyinformationintheSafetyandWarranty

Guidethatyoureceivedwiththisproduct.Readingandunderstandingthissafetyinformationreduces

theriskofpersonalinjuryanddamagetoyourproduct.

IfyounolongerhaveacopyoftheSafetyandWarrantyGuide,youcanobtainaPortableDocumentFormat

(PDF)versionfromtheLenovo

®

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

WebsitealsoprovidestheSafetyandWarrantyGuideandthisUserGuideinadditionallanguages.

Serviceandupgrades

DonotattempttoserviceaproductyourselfunlessinstructedtodosobytheCustomerSupportCenteror

yourdocumentation.OnlyuseaServiceProviderwhoisapprovedtorepairyourparticularproduct.

Note:Somecomputerpartscanbeupgradedorreplacedbythecustomer.Upgradestypicallyare

referredtoasoptions.ReplacementpartsapprovedforcustomerinstallationarereferredtoasCustomer

ReplaceableUnits,orCRUs.Lenovoprovidesdocumentationwithinstructionswhenitisappropriatefor

customerstoinstalloptionsorreplaceCRUs.Youmustcloselyfollowallinstructionswheninstallingor

replacingparts.TheOffstateofapowerindicatordoesnotnecessarilymeanthatvoltagelevelsinsidea

productarezero.Beforeyouremovethecoversfromaproductequippedwithapowercord,alwaysensure

thatthepoweristurnedoffandthattheproductisunpluggedfromanypowersource.Formoreinformation

onCRUs,refertoChapter5“Installingorreplacinghardware”onpage33.Ifyouhaveanyquestionsor

concerns,contacttheCustomerSupportCenter.

Althoughtherearenomovingpartsinyourcomputerafterthepowercordhasbeendisconnected,the

followingwarningsarerequiredforyoursafety.

CAUTION:

Hazardousmovingparts.Keepngersandotherbodypartsaway.

CAUTION:

BeforereplacinganyCRUs,turnoffthecomputerandwaitthreetoveminutestoletthecomputer

coolbeforeopeningthecover.

Staticelectricityprevention

Staticelectricity,althoughharmlesstoyou,canseriouslydamagecomputercomponentsandoptions.

Improperhandlingofstatic-sensitivepartscancausedamagetothepart.Whenyouunpackanoption

©CopyrightLenovo2012

v

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.

viThinkCentreUserGuide

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.

©CopyrightLenovo2012

vii

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

between35%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.

viiiThinkCentreUserGuide

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.

©CopyrightLenovo2012

ix

xThinkCentreUserGuide

Chapter1.Productoverview

Thischapterprovidesinformationaboutthecomputerfeatures,specications,softwareprogramsprovided

byLenovo,andlocationsofconnectors,components,partsonthesystemboard,andinternaldrives.

Features

Thissectionprovidesinformationaboutthecomputerfeatures.Thefollowinginformationcoversavarietyof

models.Forinformationaboutyourspecicmodel,usetheSetupUtilityprogram.SeeChapter7“Using

theSetupUtilityprogram”onpage97

.

Microprocessor

Yourcomputercomeswithoneofthefollowingmicroprocessors(internalcachesizevariesbymodeltype):

•Intel

®

Core™i3microprocessor

•IntelCorei5microprocessor

•IntelCorei7microprocessor

•IntelCeleron

®

microprocessor

•IntelPentium

®

microprocessor

Memory

Yourcomputersupportsuptofourdoubledatarate3unbuffereddualinlinememorymodules(DDR3

UDIMMs).

Internaldrives

•Opticaldrive:DVD-ROMorDVD-R(optional)

•SerialAdvancedTechnologyAttachment(SATA)harddiskdrive

•SATAsolidstatedrive

Note:YourcomputersupportsSATA2.0andSATA3.0devices.Formoreinformation,see“Locatingparts

onthesystemboard”onpage12

.

Videosubsystem

•IntegratedgraphicsforaVideoGraphicsArray(VGA)connectorandaDisplayPortconnector

•PeripheralComponentInterconnect(PCI)Expressx16graphicscardslotonthesystemboardfora

discretegraphicscard

Audiosubsystem

•Integratedhigh-denition(HD)audio

•Audioline-inconnector,audioline-outconnector,andmicrophoneconnectorontherearpanel

•Microphoneconnectorandheadphoneconnectoronthefrontpanel

•Internalspeaker(installedinsomemodels)

Connectivity

•100/1000MbpsintegratedEthernetcontroller

©CopyrightLenovo2012

1

•PCIFaxmodem(installedinsomemodels)

Systemmanagementfeatures

•Abilitytostorepower-onself-test(POST)hardwaretestresults

•DesktopManagementInterface(DMI)

DesktopManagementInterfaceprovidesacommonpathforuserstoaccessinformationaboutall

aspectsofacomputer,includingprocessortype,installationdate,attachedprintersandotherperipherals,

powersources,andmaintenancehistory.

•IntelStandardManageability

IntelStandardManageabilityishardwareandrmwaretechnologythatbuildscertainfunctionality

intocomputersinordertomakethemeasierandlessexpensiveforbusinessestomonitor,maintain,

update,upgrade,andrepair.

•IntelMatrixStorageManager

IntelMatrixStorageManagerisadevicedriverthatprovidessupportforSATARAID5arraysandSATA

RAID10arraysonspecicIntelchipsetsystemboardstoenhanceharddiskperformance.

•PrebootExecutionEnvironment(PXE)

ThePrebootExecutionEnvironmentisanenvironmenttostartcomputersusinganetworkinterface

independentofdatastoragedevices(suchastheharddiskdrive)orinstalledoperatingsystems.

•IntelligentCoolingEngine(ICE)

TheIntelligentCoolingEngineisasystemthermalmanagementsolutionthatenablesyourcomputer

torunwithbetterthermalandacousticperformance.TheICEfunctionalsomonitorsthethermal

performanceofyourcomputertoidentifythermalproblems.Formoreinformation,see“ICEperformance

mode”onpage101

and“ICEthermalalert”onpage101.

•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.

2ThinkCentreUserGuide

Input/Output(I/O)features

•9-pinserialport(onestandardandoneoptional)

•EightUniversalSerialBus(USB)connectors(twoonthefrontpanelandsixontherearpanel)

•OneDisplayPortconnector

•OneEthernetconnector

•OnePersonalSystem/2(PS/2)keyboardconnector(optional)

•OnePS/2mouseconnector(optional)

•OneVGAmonitorconnector

•Threeaudioconnectorsontherearpanel(audioline-inconnector,audioline-outconnector,and

microphoneconnector)

•Twoaudioconnectorsonthefrontpanel(microphoneconnectorandheadphoneconnector)

Formoreinformation,see“Locatingconnectors,controls,andindicatorsonthefrontofyourcomputer”on

page9

and“Locatingconnectorsontherearofyourcomputer”onpage10.

Expansion

•OnePCIExpressx1cardslot

•OnePCIExpressx16graphicscardslot

•Twoharddiskdrivebays

•Twoopticaldrivebays

•TwoPCIcardslots

Powersupply

Yourcomputercomeswithoneofthefollowingtypesofpowersupply:

•280-wattautomaticvoltage-sensingpowersupply

•450-wattautomaticvoltage-sensingpowersupply

Securityfeatures

•AbilitytoenableanddisableUSBconnectorsindividually

•Abilitytoenableordisableadevice

•ComputraceAgentsoftwareembeddedinrmware

•Coverpresenceswitch(alsocalledintrusionswitch)

•Keyboardwithngerprintreader(shippedwithsomemodels)

•Power-onpassword(POP),administratorpassword,andharddiskdrivepasswordtodeterunauthorized

useofyourcomputer

•Startupsequencecontrol

•Startupwithoutkeyboardormouse

•Supportforacablelock

•Supportforapadlock

•Supportforanintegratedcablelock(Kensingtonlock)

•TrustedPlatformModule(TPM)

Formoreinformation,seeChapter4“Security”onpage27

.

Chapter1.Productoverview3

Preinstalledsoftwareprograms

Yourcomputerispreinstalledwithsoftwareprogramstohelpyouworkmoreeasilyandsecurely.Formore

information,see“Softwareoverview”onpage5.

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.

4ThinkCentreUserGuide

Specications

Thissectionliststhephysicalspecicationsforyourcomputer.

Dimensions

Width:175mm(6.89inches)

Height:414mm(16.30inches)

Depth:442mm(17.40inches)

Weight

Maximumcongurationasshipped:11kg(24.25lb)

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:-50to10000ft(-15.2to3048m)

Storage:-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.

Chapter1.Productoverview5

LenovoThinkVantageTools

TheLenovoThinkVantage

®

Toolsprogramguidesyoutoahostofinformationsourcesandprovideseasy

accesstovarioustoolstohelpyouworkmoreeasilyandsecurely.

ToaccesstheLenovoThinkVantageToolsprogram,clickStart➙AllPrograms➙LenovoThinkVantage

Tools.

ThefollowingtableliststheprogramsthatyoucanaccessfromtheLenovoThinkVantageToolsprogram.To

accessaprogram,double-clickthecorrespondingicon.

Table1.ProgramiconnamesinLenovoThinkVantageTools

ProgramnameIconnameinLenovoThinkVantageTools

CreateRecoveryMedia

FactoryRecoveryDisks

FingerprintSoftware

FingerprintReader

LenovoSolutionCenterSystemHealthandDiagnostics

SimpleTapSimpleTap

ThinkVantagePasswordManagerPasswordVault

ThinkVantagePowerManager

PowerControls

ThinkVantageRescueandRecovery

®

EnhancedBackupandRestore

ThinkVantageSystemUpdate

UpdateandDrivers

CommunicationsUtilityWebConferencing

ViewManager

ScreenLayout

LenovoWelcome

TheLenovoWelcomeprogramintroducesyoutosomeinnovativebuilt-infeaturesofLenovoandguidesyou

throughafewimportantsetuptaskstohelpyoumakethemostofyourcomputer.

FingerprintSoftware

Theintegratedngerprintreaderprovidedonsomekeyboardsenablesyoutoenrollyourngerprintand

associateitwithyourpower-onpassword,harddiskpassword,andWindowspassword.Asaresult,

ngerprintauthenticationcanreplacepasswordsandenablesimpleandsecureuseraccess.Angerprint

readerkeyboardisavailablewithselectcomputersorcanbepurchasedforcomputersthatsupportthis

option.

ProductRecovery

TheProductRecoveryprogramenablesyoutorestorethecontentsoftheharddiskdrivetothefactory

defaultsettings.

SimpleTap

TheSimpleTapprogramprovidesyouwithaquickwaytocustomizesomebasiccomputersettingssuchas

mutingthespeakers,adjustingthevolume,lockingthecomputeroperatingsystem,launchingaprogram,

openingaWebpage,openingale,andsoon.YoualsocanusetheSimpleTapprogramtoaccessthe

LenovoAppShop,fromwhichyoucandownloadvariousapplicationsandcomputersoftware.

TostarttheSimpleTapprogram,doanyofthefollowing:

•ClickStart➙AllPrograms➙SimpleTap.

•ClickStart➙AllPrograms➙LenovoThinkVantageT ools,anddouble-clickSimpleTap.

6ThinkCentreUserGuide

•ClicktheredSimpleTaplaunchpointonthedesktop.Theredlaunchpointisavailableonthedesktop

afteryouhavelaunchedtheSimpleTapprogramforthersttime.

•PresstheblueThinkVantagebuttonifyourkeyboardhasone.

Note:TheSimpleTapprogramisonlyavailableoncertainmodelspreinstalledwiththeWindows7operating

system.IfyourWindows7modelisnotpreinstalledwiththeSimpleTapprogram,youcandownloadit

fromhttp://www.lenovo.com/simpletap.

ThinkVantagePasswordManager

TheThinkVantagePasswordManagerprogramautomaticallycapturesandllsinauthenticationinformation

forWindowsapplicationsandWebsites.

Notes:

•TheThinkVantagePasswordManagerprogramisonlyavailableoncomputerswiththeWindows7

operatingsystemfromLenovo.

•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➙LenovoThinkVantageT ools,anddouble-clickEnhancedBackup

andRestore.

2.Followtheinstructionsonthescreen.

3.Whentheinstallationprocesscompletes,theEnhancedBackupandRestoreiconisactivated.

ThinkVantageSystemUpdate

TheThinkVantageSystemUpdateprogramhelpsyoukeepthesoftwareonyourcomputerup-to-dateby

downloadingandinstallingsoftwarepackages(ThinkVantageapplications,devicedrivers,BIOSupdates,

andotherthirdpartyapplications).

CommunicationsUtility

TheCommunicationsUtilityprogramprovidesacentrallocationforintegratedcameraandmicrophone

settings.ItcontrolsadvancedsettingsfortheintegratedmicrophoneandcameratooptimizeWeb

conferencingandVoiceoverIP(VOIP)experience.

Chapter1.Productoverview7

ViewManager

TheViewManagerprogramenablesyoutoautomatewindowlocations.Itenhancesproductivityby

providingtheabilitytomovewindowstohotcornersandquicklysnapthemtoapredeterminedsize.

Itenablesyoutoworkacrossmultiplemonitors.

LenovoSolutionCenter

TheLenovoSolutionCenterprogramenablesyoutotroubleshootandresolvecomputerproblems.It

combinesdiagnostictests,systeminformationcollection,securitystatus,andsupportinformation,along

withhintsandtipsformaximumsystemperformance.See“LenovoSolutionCenter”onpage125for

detailedinformation.

AdobeReader

TheAdobeReaderprogramisatoolusedtoview,print,andsearchPDFdocuments.

Antivirussoftware

Yourcomputercomeswithantivirussoftwarethatyoucanusetodetectandeliminateviruses.Lenovo

providesafullversionofantivirussoftwareonyourharddiskdrivewithafree30-daysubscription.After30

days,youmustrenewthelicensetocontinuereceivingtheantivirusprogramupdates.

Locations

Thissectionprovidesinformationtohelpyoulocatetheconnectorsonthefrontandrearofyourcomputer,

partsonthesystemboard,andcomponentsandinternaldrivesinyourcomputer.

8ThinkCentreUserGuide

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Lenovo 2756D7U User manual

Lenovo 2756D7U User manual

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