Lenovo 1942, 1665, 1962, 1938, 1677 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”onpage73.

SecondEdition(October2011)

©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..............6

Antivirussoftware.............6

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

Locatingconnectors,controls,andindicators

onthefrontofyourcomputer........8

Locatingconnectorsontherearofyour

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

Adjustingthecomputerstand.......10

Machinetypeandmodellabel.......11

Chapter2.Usingyourcomputer...13

Frequentlyaskedquestions.........13

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

UsingWindowsshortcutkeys.......13

UsingtheblueThinkVantagebutton....14

Usingangerprintreader........14

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

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

Aboutyourcomputeraudio........15

Settingthevolumefromthedesktop....15

SettingthevolumefromControlPanel...15

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

HandlingandstoringCDandDVDmedia..16

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

RecordingaCDorDVD.........16

Usingthesingle-touchandmulti-touchfeature..17

Colortemperatureadjustment........17

Selectingapre-denedcolortemperature..18

SwitchingtoRGBadjustment.......18

Makingbrightnessadjustment.......18

Chapter3.Y ouandyourcomputer..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

ReplacingtheUSBkeyboardormouse...29

Replacingthewirelesskeyboard......30

Replacingthewirelessmouse.......30

Obtainingdevicedrivers.........32

Chapter6.Recoveryinformation...33

Creatingandusingrecoverymedia......33

Creatingrecoverymedia.........33

Usingrecoverymedia..........34

Performingbackupandrecoveryoperations...34

Performingabackupoperation......34

Performingarecoveryoperation......35

UsingtheRescueandRecoveryworkspace...35

Creatingandusingarescuemedium......36

Creatingarescuemedium........36

Usingarescuemedium.........36

©CopyrightLenovo2011

Reinstallingpreinstalledapplicationsanddevice

drivers..................37

Reinstallingsoftwareprograms........38

Reinstallingdevicedrivers..........38

Solvingrecoveryproblems..........38

Chapter7.UsingtheSetupUtility

program................41

StartingtheSetupUtilityprogram.......41

Viewingandchangingsettings........41

Usingpasswords..............41

Passwordconsiderations.........42

Power-OnPassword..........42

AdministratorPassword.........42

HardDiskPassword...........42

Setting,changing,anddeletingapassword.42

Enablingordisablingadevice........43

Selectingastartupdevice..........43

Selectingatemporarystartupdevice....43

Selectingorchangingthestartupdevice

sequence...............43

ExitingfromtheSetupUtilityprogram.....44

Chapter8.Updatingsystem

programs...............45

Usingsystemprograms...........45

Updating(ashing)theBIOSfromadisc....45

Updating(ashing)theBIOSfromyouroperating

system..................46

Chapter9.Preventingproblems...47

Keepingyourcomputercurrent........47

Gettingthelatestdevicedriversforyour

computer...............47

Updatingyouroperatingsystem......47

UsingSystemUpdate..........47

Cleaningandmaintenance..........48

Basics................48

Cleaningyourcomputer.........49

Goodmaintenancepractices.......50

Movingyourcomputer...........50

Chapter10.T roubleshootingand

diagnostics..............51

Basictroubleshooting............51

Troubleshootingprocedure..........52

Troubleshooting..............52

Audioproblems............53

CDproblems.............54

DVDproblems.............55

Intermittentproblems..........57

Keyboard,mouse,orpointingdevice

problems...............57

Monitorproblems............59

Networkingproblems..........60

Optionproblems............63

Performanceandlockupproblems.....64

Printerproblems............65

Serialportproblems...........65

Softwareproblems...........66

USBproblems.............67

Diagnosticprograms............67

LenovoThinkVantageT oolbox.......68

PC-DoctorforDOS...........68

Chapter11.Gettinginformation,help,

andservice..............69

Informationresources............69

LenovoThinkVantageT ools........69

LenovoWelcome............69

HelpandSupport............69

SafetyandWarranty...........69

LenovoWebsite(http://www.lenovo.com)..69

LenovoSupportWebsite.........70

Helpandservice..............70

Usingthedocumentationanddiagnostic

programs...............70

Callingforservice............70

Usingotherservices..........71

Purchasingadditionalservices......71

AppendixA.Notices..........73

Trademarks................74

AppendixB.Regulatory

information..............75

Exportclassicationnotice..........75

Televisionoutputnotice...........75

Electronicemissionsnotices.........75

FederalCommunicationsCommission

DeclarationofConformity........75

Additionalregulatoryinformation.......77

AppendixC.WEEEandrecycling

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

ImportantinformationfortheEuropeanDirective

2002/96/EC................79

Recyclinginformation............79

Index..................81

iiThinkCentreUserGuide

Importantsafetyinformation

CAUTION: Beforeusingthismanual,besuretoreadandunderstandalltherelatedsafetyinformationforthis product.RefertotheinformationinthissectionandthesafetyinformationintheThinkCentreSafety andWarrantyGuidethatyoureceivedwiththisproduct.Readingandunderstandingthissafety informationreducestheriskofpersonalinjuryanddamagetoyourproduct.

IfyounolongerhaveacopyoftheThinkCentreSafetyandWarrantyGuide,youcanobtainaPortable DocumentFormat(PDF)versionfromtheLenovo LenovoSupportWebsitealsoprovidestheThinkCentreSafetyandWarrantyGuideandthisThinkCentre UserGuideinadditionallanguages.

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

Serviceandupgrades

DonotattempttoserviceaproductyourselfunlessinstructedtodosobytheCustomerSupportCenteror yourdocumentation.OnlyuseaServiceProviderwhoisapprovedtorepairyourparticularproduct.

Note:Somecomputerpartscanbeupgradedorreplacedbythecustomer.Upgradestypicallyare referredtoasoptions.ReplacementpartsapprovedforcustomerinstallationarereferredtoasCustomer ReplaceableUnits,orCRUs.Lenovoprovidesdocumentationwithinstructionswhenitisappropriatefor customerstoinstalloptionsorreplaceCRUs.Y oumustcloselyfollowallinstructionswheninstallingor replacingparts.TheOffstateofapowerindicatordoesnotnecessarilymeanthatvoltagelevelsinsidea productarezero.Beforeyouremovethecoversfromaproductequippedwithapowercord,alwaysmake surethatthepoweristurnedoffandthattheproductisunpluggedfromanypowersource.Formore informationonCRUs,refertoChapter5“Installingorreplacinghardware”onpage29 questionsorconcerns,contacttheCustomerSupportCenter.

Althoughtherearenomovingpartsinyourcomputerafterthepowercordhasbeendisconnected,the followingwarningsarerequiredforyoursafety.

CAUTION:

.Ifyouhaveany

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 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.

,orbetter.For

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

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”onpage41.Then,selectMain➙SystemSummarytoviewtheinformation.

•InWindowsenvironment,clickStart,right-clickComputer,andselectPropertiestoviewtheinformation.

Microprocessor

Yourcomputercomeswithoneofthefollowingmicroprocessors(internalcachesizevariesbymodeltype):

•Intel

•IntelCorei5microprocessor

•IntelCorei7microprocessor

•IntelCeleron®microprocessor

•IntelPentium®microprocessor

Core™i3microprocessor

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

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

Operatingsystem(s),certiedortestedforcompatibility

•Linux

Windows

7operatingsystem.

(variesbymodeltype)

•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 accesstovarioustoolstohelpyouworkmoreeasilyandsecurely.

ToaccesstheLenovoThinkVantageT oolsprogram,clickStart➙AllPrograms➙LenovoThinkVantage Tools.

ThefollowingtableliststheprogramsthatyoucanaccessfromtheLenovoThinkVantageT oolsprogram.To accessaprogram,double-clickthecorrespondingicon.

Table1.ProgramiconnamesinLenovoThinkVantageT ools

CreateRecoveryMedia

FingerprintSoftware

LenovoThinkVantageT oolbox

ThinkVantagePasswordManagerPasswordVault

ThinkVantagePowerManager

ThinkVantageRescueandRecovery

ThinkVantageSystemUpdate

CommunicationsUtilityWebConferencing

ViewManagementUtility

Toolsprogramguidesyoutoahostofinformationsourcesandprovideseasy

ProgramnameIconnameinLenovoThinkVantageT ools

FactoryRecoveryDisks

FingerprintReader

SystemHealthandDiagnostics

PowerControls

EnhancedBackupandRestore

UpdateandDrives

ScreenLayout

LenovoWelcome

TheLenovoWelcomeprogramintroducesyoutosomeinnovativebuilt-infeaturesofLenovoandguidesyou throughafewimportantsetuptaskstohelpyoumakethemostofyourcomputer.

FingerprintSoftware

Theintegratedngerprintreaderprovidedonsomekeyboardsenablesyoutoenrollyourngerprintand associateitwithyourpower-onpassword,harddiskdrivepassword,andWindowspassword.Asaresult, ngerprintauthenticationcanreplacepasswordsandenablesimpleandsecureuseraccess.Angerprint readerkeyboardisavailablewithselectcomputersorcanbepurchasedforcomputersthatsupportthis option.

LenovoThinkVantageToolbox

TheLenovoThinkVantageToolboxprogramhelpsyoumaintainyourcomputer,improvecomputingsecurity, diagnosecomputerproblems,getfamiliarwiththeinnovativetechnologiesprovidedbyLenovo,andgetmore informationaboutyourcomputer.See“LenovoThinkVantageToolbox”onpage68

fordetailedinformation.

ProductRecovery

TheProductRecoveryprogramenablesyoutorestorethecontentsoftheharddiskdrivetothefactory defaultsettings.

ThinkVantagePasswordManager

TheThinkVantagePasswordManagerprogramautomaticallycapturesandllsinauthenticationinformation forWindowsapplicationsandWebsites.

Notes:

Chapter1.Productoverview5

•IfthePasswordVaulticonintheLenovoThinkVantageToolsprogramisdimmed,itindicatesthatyou needtoinstalltheThinkVantagePasswordManagerprogrammanuallybeforeenablingitsfeatures.To installtheThinkVantagePasswordManagerprogram,dothefollowing:

1.ClickStart➙AllPrograms➙LenovoThinkVantageT ools,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.

ViewManagementUtility

TheViewManagementUtilityprogramenablesyoutoautomatewindowlocations.Itenhancesproductivity byprovidingtheabilitytomovewindowstohotcornersandquicklysnapthemtoapredeterminedsize. Itenablesyoutoworkacrossmultiplemonitors.

AdobeReader

TheAdobeReaderprogramisatoolusedtoview,print,andsearchPDFdocuments.

Antivirussoftware

Yourcomputercomeswithantivirussoftwarethatyoucanusetodetectandeliminateviruses.Lenovo providesafullversionofantivirussoftwareonyourharddiskdrivewithafree30-daysubscription.After30 days,youmustrenewthelicensetocontinuereceivingtheantivirusprogramupdates.

6ThinkCentreUserGuide

Locations

Thissectionprovidesinformationtohelpyoulocatetheconnectorsonthefrontandrearofyourcomputer, partsonthesystemboard,andcomponentsandinternaldrivesinyourcomputer.

Chapter1.Productoverview7

Locatingconnectors,controls,andindicatorsonthefrontofyour computer

Figure1“Frontconnector,control,andindicatorlocations”onpage8showsthelocationsoftheconnectors, controls,andindicatorsonthefrontofyourcomputer.

Figure1.Frontconnector,control,andindicatorlocations

1IntegratedMicrophone6Harddiskdriveactivityindictor

2Integratedcameraindicator

3Integratedcamerablockshield8Brightness-downcontrol

4Liquidcrystaldisplay(LCD)panel

5Powerswitch

7Brightness-up/Auto-adjustingcontrol

9Footstand

8ThinkCentreUserGuide

Locatingconnectorsontherearofyourcomputer

Figure2“Rearconnectorlocations”onpage9showsthelocationsoftheconnectorsontherearofyour computer.Someconnectorsontherearofyourcomputerarecolor-codedtohelpyoudeterminewhereto connectthecablesonyourcomputer.

Figure2.Rearconnectorlocations

1Opticaldrive7Cardreader

2USBconnector(4)8USBconnector

3Powercordconnector9Headphoneconnector

4Ethernetconnector10Microphoneconnector

5Serialport11USBconnector

6DisplayPortconnector

Chapter1.Productoverview9

ConnectorDescription

Ethernetconnector

USBconnectorUsedtoattachadevicethatrequiresaUSBconnector,suchasaUSBkeyboard,a

Microphoneconnector

DisplayPortoutconnector

Serialport

UsedtoattachanEthernetcableforalocalareanetwork(LAN). Note:TooperatethecomputerwithinFCCClassBlimits,useaCategory5Ethernet cable.

USBmouse,aUSBscanner,oraUSBprinter.IfyouhavemorethansixUSB devices,youcanpurchaseaUSBhub,whichyoucanusetoconnectadditional USBdevices.

Usedtoattachamicrophonetoyourcomputerwhenyouwanttorecordsoundorif youusespeech-recognitionsoftware.

Usedtoattachahigh-performancemonitor,adirect-drivemonitor,orotherdevices thatuseaDisplayPortconnector.

Usedtoattachanexternalmodem,aserialprinter,orotherdevicesthatusea 9-pinserialport.

Adjustingthecomputerstand

Yourcomputercomeswithacomputerstandthatyoucanusetoadjustthecomputertoyourcomfortable position.Pullthestandopenandadjustthepositionofthecomputeratananglebetween10°to32° asshowninthefollowingillustration.

CAUTION: Makesurethattheangleisatleast10°fromthevertical;otherwise,thecomputermightbeunstable andfallover.

Figure3.Adjustingthecomputerstand

10ThinkCentreUserGuide

Machinetypeandmodellabel

Themachinetypeandmodellabelidentiesyourcomputer.WhenyoucontactLenovoforhelp,themachine typeandmodelinformationhelpssupporttechnicianstoidentifyyourcomputerandprovidefasterservice.

Thefollowingisasampleofthemachinetypeandmodellabel.

Figure4.Machinetypeandmodellabel

Chapter1.Productoverview11

12ThinkCentreUserGuide

Chapter2.Usingyourcomputer

Thischapterprovidesinformationonusingsomeofthecomputercomponents.

Frequentlyaskedquestions

Thefollowingareafewtipsthatwillhelpyouoptimizetheuseofyourcomputer.

CanIgetmyuserguideinanotherlanguage?

TheuserguideisavailableinvariouslanguagesontheLenovoSupportWebsiteat: http://www.lenovo.com/ThinkCentreUserGuides

Wherearemyrecoverydiscs?

Lenovoprovidesaprogramthatenablesyoutocreaterecoverydiscs.Fordetailsaboutcreatingrecovery discs,see“Creatingrecoverymedia”onpage33.

Additionally,incaseofaharddiskfailure,youcanorderProductRecoverydiscsfromtheLenovo CustomerSupportCenter.ForinformationaboutcontactingtheCustomerSupportCenter,seeChapter 11“Gettinginformation,help,andservice”onpage69.BeforeusingtheProductRecoverydiscs,refer tothedocumentationthatcomeswiththediscs.

Attention:AProductRecoverydiscpackagemightcontainmultiplediscs.Makesureyouhaveallofthe discsreadybeforestartingtherecoveryprocess.Duringtherecoveryprocess,youmightbeprompted tochangediscs.

WherecanIndhelpabouttheWindowsoperatingsystem?

TheWindowsHelpandSupportinformationsystemprovidesyoudetailedinformationaboutusingthe Windowsoperatingsystemtohelpyougetthemostofyourcomputer.ToaccesstheWindowsHelpand Supportinformationsystem,clickStart➙HelpandSupport.

Usingthekeyboard

Dependingonyourmodel,yourcomputercomeswitheitherastandardkeyboardorangerprintreader keyboard.TheMicrosoftWindowsshortcutkeysareprovidedonbothkeyboardtypes.

Thissectionprovidesinformationaboutthefollowingtopics:

•“UsingWindowsshortcutkeys”onpage13

•“UsingtheblueThinkVantagebutton”onpage14

•“Usingangerprintreader”onpage14

UsingWindowsshortcutkeys

Boththestandardkeyboardandthengerprintreaderkeyboardprovidethreekeysyoucanusewithyour MicrosoftWindowsoperatingsystem.

•ThetwoStartmenukeysarelocatedbesidetheAltkeyoneithersideofthespacebar.Theyfeaturethe Windowslogo.Whenyoupresseither,theWindowsStartmenuopens.ThestyleoftheWindowslogo variesdependingonthekeyboardtype.

•Thecontext-menukeyislocatednexttotheCtrlkeyontherightsideoftheSpacebar.Pressingthe context-menukeyopensthecontextmenufortheactiveprogram,icon,orobject.

Note:YoucanusethemouseortheUpandDownarrowkeystohighlightmenuselections.Youcanclose theStartmenuorthecontextmenubyclickingthemouseorpressingEsc.

UsingtheblueThinkVantagebutton

SomekeyboardshaveablueThinkVantagebuttonthatyoucanusetoopenacomprehensiveon-board helpandinformationcenterfromLenovo.

•IfyouareusingtheWindows7operatingsystem,pressingtheblueThinkVantagebuttonopensthe LenovoThinkVantageToolboxprogram.

FormoreinformationabouttheLenovoThinkVantageT oolboxprogram,see“LenovoThinkVantageToolbox” onpage68

Usingangerprintreader

Somecomputersmightcomewithakeyboardthathasangerprintreader.Formoreinformationaboutthe ngerprintreader,see“FingerprintSoftware”onpage5

ToopentheThinkVantageFingerprintSoftwareprogramandusethengerprintreader,clickStart➙All

Programs➙LenovoThinkVantageTools➙FingerprintReader

Followtheinstructionsonthescreen.Foradditionalinformation,refertotheThinkVantageFingerprint Softwarehelpsystem.

Usingthewheelmouse

1Wheel

2PrimarymousebuttonUsethisbuttontoselectorstartaprogramormenuitem.

3Secondarymousebutton

Youcanswitchthefunctionoftheprimaryandsecondarymousebuttonsandchangeotherdefaultbehavior throughthemousepropertiesfunctionintheWindowsControlPanel.

Usethewheeltocontrolthescrollingactionofthemouse.Thedirectioninwhichyou rotatethewheelcontrolsthedirectionofthescrollingaction.

Usethisbuttontodisplayamenufortheactiveprogram,icon,orobject.

Adjustingaudio

Soundisanimportantpartofthecomputerexperience.Yourcomputerhasadigitalaudiocontrollerbuilt intothesystemboard.Somemodelsalsohaveahigh-performanceaudioadapterinstalledinoneofthePCI cardslots.

14ThinkCentreUserGuide

Aboutyourcomputeraudio

Ifafactory-installed,high-performanceaudioadapterisinstalledinyourcomputer,thesystem-board audioconnectorsontherearofthecomputeraretypicallydisabled;usetheconnectorsprovidedonthe audioadapter.

Eachaudiosolutionprovidesatleastthreeaudioconnectors:audioline-inconnector,audioline-out connector,andMicrophoneconnector.Onsomemodels,afourthconnectorisprovidedfortheattachment ofunpoweredstereospeakers(speakersthatdonotrequireanacpowersource).Theaudioadapter providesyouwiththeabilitytorecordandplaybacksoundandmusic,aswellastoenjoysoundwith multimediaapplicationsandworkwithspeech-recognitionsoftware.

Optionally,youcanconnectasetofpoweredstereospeakerstotheaudioline-outconnectortoenjoy bettersoundwithmultimediaapplications.

Settingthevolumefromthedesktop

Thedesktopvolumecontrolisaccessiblethroughthevolumeiconinthetaskbar,whichislocatedatthe bottom-rightcorneroftheWindowsdesktop.Clickthevolumeiconandmovethesliderupordownto controlthevolume,orclicktheMuteicontoturntheaudiooff.Ifthevolumeiconisnotinthetaskbar,see “Addingthevolumeicontothetaskbar”onpage15

Addingthevolumeicontothetaskbar

ToaddthevolumeicontothetaskbarontheWindows7operatingsystem,dothefollowing:

1.FromtheWindowsdesktop,clickStart➙ControlPanel➙AppearanceandPersonalization.

2.IntheTaskbarandStartMenutopic,clickCustomizeiconsonthetaskbar.

3.ClickT urnsystemiconsonoroffandchangethevolumebehaviorsfromOfftoOn.

4.ClickOKtosavethenewsettings.

SettingthevolumefromControlPanel

YoucansetthecomputervolumefromControlPanel.TosetthecomputervolumefromControlPanel, dothefollowing:

1.FromtheWindowsdesktop,clickStart➙ControlPanel➙HardwareandSound.

2.IntheSoundtopic,clickAdjustsystemvolume.

3.Movetheslidersupordowntoraiseorlowerthevolumeofyourcomputer.

UsingCDsandDVDs

YourcomputermighthaveaDVDROMdriveorrecordableDVDdriveinstalled.DVDdrivesuse industry-standard,12cm(4.75-inch)CDmediaorDVDmedia.IfyourcomputercomeswithaDVDdrive, thedrivecanreadDVD-ROMdiscs,DVD-Rdiscs,DVD-RAMdiscs,DVD-RWdiscs,andalltypesofCDs, suchasCD-ROMdiscs,CD-RWdiscs,CD-Rdiscs,andaudioCDs.IfyouhavearecordableDVDdrive, itcanalsorecordonDVD-Rdiscs,DVD-RWdiscs,typeIIDVD-RAMdiscs,CD-RWstandardandhigh speeddiscs,andCD-Rdiscs.

FollowtheseguidelineswhenusingtheDVDdrive:

•Donotplacethecomputerinalocationwherethedriveisexposedtothefollowing:

–Hightemperature –Highhumidity –Excessivedust

Chapter2.Usingyourcomputer15

–Excessivevibrationorsuddenshock –Aninclinedsurface –Directsunlight

•DonotinsertanyobjectotherthanaCDorDVDintothedrive.

•Beforemovingthecomputer,removetheCDorDVDfromthedrive.

HandlingandstoringCDandDVDmedia

CDandDVDmediaaredurableandreliable,buttheydorequiresomecareandspecialhandling.When handlingandstoringaCDorDVD,followtheseguidelines:

•Holdthediscbyitsedges.Donottouchthesurfaceofthesidethatisnotlabeled.

•Toremovedustorngerprints,wipethediscwithaclean,softclothfromthecentertotheoutside.Wiping thediscinacirculardirectionmightcauselossofdata.

•Donotwriteorstickpaperonthedisc.

•Donotscratchormarkthedisc.

•Donotplaceorstorethediscindirectsunlight.

•Donotusebenzene,thinners,orothercleanerstocleanthedisc.

•Donotdroporbendthedisc.

•Donotinsertdamageddiscsintothedrive.Warped,scratched,ordirtydiscscandamagethedrive.

PlayingaCDorDVD

IfyourcomputercomeswithaDVDdrive,youcanlistentoaudioCDsorwatchDVDmovies.T oplaya CDorDVD,dothefollowing:

1.PresstheEject/LoadbuttonontheDVDdrivetoopenthetray.

2.Withthetrayfullyextended,inserttheCDorDVDintothetray.SomeDVDdriveshaveasnaphubinthe centerofthetray.Ifyourdrivehasasnaphub,supportthetraywithonehandandthenpushonthe centeroftheCDorDVDuntilitsnapsintoplace.

3.PresstheEject/Loadbuttonagainorgentlypushthetrayforwardtoclosethetray.TheCDorDVD playerprogramstartsautomatically.Foradditionalinformation,refertotheCDorDVDplayerprogram helpsystem.

ToremoveaCDorDVDfromtheDVDdrive,dothefollowing:

1.Withthecomputeron,presstheEject/Loadbutton.Whenthetrayslidesoutautomatically,carefully removethedisc.

2.ClosethetraybypressingtheEject/Loadbuttonorbygentlypushingthetrayforward.

Note:IfthetraydoesnotslideoutofthedrivewhenyoupresstheEject/Loadbutton,insertastraightened paperclipintotheemergency-ejectholelocatedonthefrontoftheDVDdrive.Besurethedriveispowered offwhenusingtheemergencyeject.UsetheEject/Loadbuttoninsteadoftheemergencyejectexcept inanemergency.

RecordingaCDorDVD

IfyourcomputercomeswitharecordableDVDdrive,youcanusethedrivetorecordCDsorDVDs.To recordaCDorDVD,dothefollowing:

1.ClickStart➙AllPrograms➙CorelDVDMovieFactoryLenovoEdition.

2.Followtheinstructionsonthescreen.

16ThinkCentreUserGuide

FordetailedinformationaboutusingtheCorelDVDMovieFactoryprogram,seethehelpsystemforthe program.

YoucanalsouseWindowsMediaPlayertorecordCDsanddataDVDs.Formoreinformation,see“Helpand Support”onpage69.

Usingthesingle-touchandmulti-touchfeature

Note:Thesingle-touchfeatureormulti-touchfeatureisonlyavailableonsomecomputermodels.

Yourcomputermightcomewiththesingle-touchfeatureormulti-touchfeaturedependingonyourmodel. Ifthesingle-touchfeatureorthemulti-touchfeatureisavailableonyourcomputer,youcantapthetouch screenoncewithyourngertomakeasingleclick.T omakeadouble-click,taptwicewithoutpausing. Tomakearight-click,tapthetouchscreenonceandthenholdyourngeronthetouchscreenuntila roundcircleisdisplayed.Then,liftyourngeroffthetouchscreen.Acontextmenuwillbedisplayed, whereyoucanmakeselections.

Usingthesingle-touchfeature

Thesingle-touchfeatureenablesyoutouseonlyonengeratatimetointeractwithyourcomputer.

Usingthemulti-touchfeature

Themulti-touchfeatureenablesyoutouseoneortwongerstointeractwithyourcomputer.Forexample, youcanzoomin,zoomout,scroll,orrotateonthetouchscreenwithtwongerswhilebrowsingtheInternet orreadingoreditingadocument.

Thefollowingtableshowsthesupportedtouchfeatureoneachoperatingsystemedition.

Table2.Operatingsystemeditionandsupportedtouchfeature

OperatingsystemeditionSupportedtouchfeature

Windows7StarterSingle-touch

Windows7HomeBasic

Windows7HomePremium

Windows7Professional

Windows7Ultimate

Single-touch

Single-touchormulti-touch

Colortemperatureadjustment

Thecolortemperatureadjustmentfunctionenablesyoutoadjustthecolortemperatureandbrightnessof yourcomputermonitor.

Pressthebrightness-upbutton.Thefollowingsixoptionsaredisplayed:

•Autoadjustment:Selectthisoption,andthenthemonitorcolortemperatureandbrightnesswillbe adjustedautomatically.

•Pre-denedcolortemperature:Fordetailedinstructions,see“Selectingapre-denedcolor temperature”onpage18

•SwitchtoRGBadjustment:Fordetailedinstructions,see“SwitchingtoRGBadjustment”onpage18.

•Brightnessadjustment:Fordetailedinstructions,see“Makingbrightnessadjustment”onpage18.

•Defaultsetting:Selectthisoptiontousethedefaultsettings.

•Exit:Selectthisoptiontoexit.

Chapter2.Usingyourcomputer17

Selectingapre-denedcolortemperature

Toselectapre-denedcolortemperature,dothefollowing:

1.Pressthebrightness-upbutton.Thefollowingsixoptionsaredisplayed:

•Autoadjustment

•Pre-denedcolortemperature

•SwitchtoRGBadjustment

•Brightnessadjustment

•Defaultsetting

•Exit

2.Pressthebrightness-downbuttontomovetoPre-denedcolortemperature,andthenpressthe brightness-upbuttontoselectoneofthefollowingoptions:

•Cold:Ifyouselectthisoption,yourcomputerproducesagentleandblue-huedimage.

•Normal:Ifyouselectthisoption,yourcomputerproducesanormalimage.

•Warm:Ifyouselectthisoption,yourcomputerproducesared-huedimage.

•Exit:Selectthisoptionorwaitforvesecondstoexit.

SwitchingtoRGBadjustment

Afterthepre-denedcolortemperatureisselected,youcanswitchtoRGB(Red,Green,orBlue)adjustment tomakecoloradjustmentforyourcomputer.

ToswitchtoRGBadjustment,dothefollowing:

1.Pressthebrightness-upbutton.Thefollowingsixoptionsaredisplayed:

•Autoadjustment

•Pre-denedcolortemperature

•SwitchtoRGBadjustment

•Brightnessadjustment

•Defaultsetting

•Exit

2.Pressthebrightness-downbuttontomovetoSwitchtoRGBadjustment,andthenpressthe brightness-upbuttontobringupthefollowingfouroptions:

•Red-adjustment

•Green-adjustment

•Blue-adjustment

•Exit

3.Pressthebrightness-downbuttontomovetothedesiredoption,andthenpressthebrightness-up buttontoselecttheoption.Acoloradjustmentsliderisdisplayed.

4.Pressthebrightness-downbuttontodecreasethecolortemperature,orpressthebrightness-upbutton toincreasethecolortemperature.

5.SelectExitorwaitforveseconds,andthenyouwillreturntothepreviousmenu.

Makingbrightnessadjustment

Tomakebrightnessadjustment,dothefollowing:

18ThinkCentreUserGuide

1.Pressthebrightness-upbutton.Thefollowingsixoptionsaredisplayed:

•Autoadjustment

•Pre-denedcolortemperature

•SwitchtoRGBadjustment

•Brightnessadjustment

•Defaultsetting

•Exit

2.Pressthebrightness-downbuttontomovetoBrightnessadjustment,andthenpressthebrightness-up button.Abrightnessadjustmentsliderisdisplayed.

3.Pressthebrightness-downbuttontodecreasethebrightnesslevel,orpressthebrightness-upbuttonto increasethebrightnesslevel.

4.Waitforvesecondstoexit.

Chapter2.Usingyourcomputer19

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