Lenovo 20AA User manual

UserGuide

ThinkPadT431s

Notes:Beforeusingthisinformationandtheproductitsupports,ensurethatyoureadandunderstand

thefollowing:

•Safety,Warranty,andSetupGuide

•RegulatoryNotice

•“Importantsafetyinformation”onpagevi

•AppendixD“Notices”onpage149

TheSafety,Warranty,andSetupGuideandtheRegulatoryNoticehavebeenuploadedtotheWebsite.

Torefertothem,gotohttp://www.lenovo.com/ThinkPadUserGuides.

FirstEdition(March2013)

©CopyrightLenovo2013.

LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuantaGeneralServicesAdministration

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

Contents

Readthisrst..............v

Importantsafetyinformation..........vi

Conditionsthatrequireimmediateaction..vii

Safetyguidelines............vii

Chapter1.Productoverview......1

Locatingcomputercontrols,connectors,and

indicators..................1

Frontview................1

Right-sideview..............3

Left-sideview..............4

Bottomview...............5

Rearview................6

Statusindicators.............6

Locatingimportantproductinformation......8

Machinetypeandmodelinformation.....8

FCCIDandICCerticationinformation....8

Features..................9

Specications...............10

Operatingenvironment...........11

Lenovoprograms.............11

AccessingLenovoprogramsontheWindows

7operatingsystem...........11

AccessingLenovoprogramsontheWindows

8operatingsystem...........13

Lenovoprogramoverview........14

Chapter2.Usingyourcomputer...17

Registeringyourcomputer..........17

Frequentlyaskedquestions.........17

Specialkeys...............19

Functionkeys.............19

Windowskey.............20

UsingtheThinkPadpointingdevice......20

Powermanagement............22

Checkingthebatterystatus........22

Usingtheacpoweradapter........23

Chargingthebattery..........23

Maximizingthebatterylife........23

Managingthebatterypower.......24

Power-savingmodes..........24

Connectingtothenetwork..........25

Ethernetconnections..........25

Wirelessconnections..........26

Usinganexternalmonitor..........29

Changingdisplaysettings........31

UsingtheExtenddesktopfunction.......31

Settingupapresentation..........32

Usingaudiofeatures............32

Usingthecamera.............33

Usingamediacard.............34

Insertingamediacard..........34

Removingamediacard.........34

Chapter3.Youandyourcomputer..35

Accessibilityandcomfort..........35

Ergonomicinformation..........35

Comfort...............36

Accessibilityinformation.........36

Travelingwithyourcomputer.........37

Traveltips...............37

Travelaccessories...........38

Chapter4.Security..........39

Attachingamechanicallock.........39

Usingpasswords..............39

Passwordsandsleepmode........39

Typingpasswords...........39

Power-onpassword...........40

Harddiskpasswords..........40

Supervisorpassword..........42

Harddisksecurity.............44

Settingthesecuritychip...........45

Usingthengerprintreader..........46

Noticeondeletingdatafromyourharddiskdrive

orsolid-statedrive.............48

Usingrewalls...............48

Protectingdataagainstviruses........48

Chapter5.Recoveryoverview....51

RecoveryoverviewfortheWindows7operating

system..................51

Creatingandusingarecoverymedia....51

Performingbackupandrecoveryoperations.52

UsingtheRescueandRecoveryworkspace.53

Creatingandusingarescuemedium....54

Reinstallingpreinstalledprogramsanddevice

drivers................55

Solvingrecoveryproblems........55

RecoveryoverviewfortheWindows8operating

system..................56

Refreshingyourcomputer........56

Resettingyourcomputertothefactorydefault

settings................56

Advancedstartupoptions........56

©CopyrightLenovo2013

i

Chapter6.Replacingdevices.....59

Staticelectricityprevention..........59

Disablingthebuilt-inbattery.........59

InstallingorreplacingtheSIMcard.......60

Replacingthebasecoverassembly......61

Replacingtheharddiskdriveorsolid-statedrive.62

Replacingamemorymodule.........64

ReplacinganM.2wirelessLANcard......65

ReplacinganM.2wirelessWANcard......68

Replacingthebackupbattery.........71

Replacingthekeyboard...........72

Chapter7.Enhancingyour

computer...............79

FindingThinkPadoptions..........79

ThinkPadportreplicatorsanddockingstations..79

Frontview...............80

Rearview...............82

AttachingaThinkPadportreplicatoror

dockingstation.............84

DetachingaThinkPadportreplicatoror

dockingstation.............86

Securityfeature............87

Usingthesystemlockkey........88

Chapter8.Advancedconguration..89

Installinganewoperatingsystem.......89

Beforeyoubegin............89

InstallingtheWindows7operatingsystem..90

InstallingtheWindows8operatingsystem..91

Installingdevicedrivers...........91

Installingthedriverforthe4-in-1mediacard

reader................91

InstallingthedriverforUSB3.0(forWindows

7)..................91

InstallingtheThinkPadmonitorlefor

Windows2000/XP/Vista/7/8(forWindows

7)..................92

Installingotherdriversandsoftware(for

Windows7)..............92

ThinkPadSetup..............92

Mainmenu..............93

Congmenu..............93

DateandTimemenu..........99

Securitymenu.............99

Startupmenu.............103

Restartmenu.............105

UpdatingyoursystemUEFIBIOS.....106

Usingsystemmanagement..........106

Systemmanagement..........106

Settingmanagementfeatures.......107

Chapter9.Preventingproblems..109

Generaltipsforpreventingproblems......109

Makingsuredevicedriversarecurrent.....110

Takingcareofyourcomputer.........111

Cleaningthecoverofyourcomputer....112

Chapter10.Troubleshooting

computerproblems.........115

Diagnosingproblems............115

Troubleshooting..............115

Computerstopsresponding.......115

Spillsonthekeyboard..........116

Errormessages............116

Errorswithoutmessages.........118

Beeperrors..............119

Memorymoduleproblems........119

Networkingproblems..........120

Problemswiththekeyboardandotherpointing

devices................121

Problemswiththedisplayandmultimedia

devices................122

Fingerprintreaderproblems........127

Batteryandpowerproblems.......127

Problemswithdrivesandotherstorage

devices................130

Asoftwareproblem...........131

Problemswithportsandconnectors....131

Chapter11.Gettingsupport....133

BeforeyoucontactLenovo..........133

Gettinghelpandservice...........134

Usingdiagnosticprograms........134

LenovoSupportWebsite.........134

CallingLenovo.............134

FindingThinkPadoptions........135

Purchasingadditionalservices........135

AppendixA.Regulatory

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

Wirelessrelatedinformation.........137

LocationsoftheUltraConnectwireless

antennas...............138

Locatingwirelessregulatorynotices....139

Exportclassicationnotice..........139

Electronicemissionnotices..........139

FederalCommunicationsCommission

DeclarationofConformity........139

IndustryCanadaClassBemissioncompliance

statement...............139

EuropeanUnion-Compliancetothe

ElectromagneticCompatibilityDirective...140

GermanClassBcompliancestatement...140

iiUserGuide

KoreaClassBcompliancestatement....141

JapanVCCIClassBcompliancestatement..141

Japancompliancestatementforproducts

whichconnecttothepowermainswith

ratedcurrentlessthanorequalto20Aper

phase................141

Lenovoproductserviceinformationfor

Taiwan................141

AppendixB.WEEEandrecycling

statements.............143

ImportantWEEEinformation.........143

Japanrecyclingstatements.........143

RecyclinginformationforBrazil........144

BatteryrecyclinginformationfortheEuropean

Union..................144

BatteryrecyclinginformationforTaiwan.....145

BatteryrecyclinginformationfortheUnitedStates

andCanada................145

AppendixC.ENERGYSTARmodel

information.............147

AppendixD.Notices.........149

Trademarks................150

AppendixE.RestrictionofHazardous

SubstancesDirective(RoHS)....151

ChinaRoHS................151

TurkishRoHS...............151

UkraineRoHS...............151

IndiaRoHS................152

AppendixF.EurAsiaCompliance

Mark.................153

©CopyrightLenovo2013

iii

ivUserGuide

Readthisrst

Ensurethatyoufollowtheimportanttipsgivenheretogetthemostuseandenjoymentoutofyourcomputer.

Failuretodosomightleadtodiscomfortorinjury,orcauseyourcomputertofail.

Protectyourselffromtheheatthatyourcomputergenerates.

Whenyourcomputeristurnedonorthebatteryischarging,thebase,thepalm

rest,andsomeotherpartsmaybecomehot.Thetemperaturetheyreach

dependsontheamountofsystemactivityandthelevelofchargeinthebattery.

Extendedcontactwithyourbody,eventhroughclothing,couldcause

discomfortorevenaskinburn.

•Avoidkeepingyourhands,yourlap,oranyotherpartofyourbodyin

contactwithahotsectionofthecomputerforanyextendedtime.

•Periodicallytakehandsfromusingthekeyboardbyliftingyourhandsfrom

thepalmrest.

Protectyourselffromtheheatgeneratedbytheacpoweradapter.

Whentheacpoweradapterisconnectedtoanelectricaloutletandyour

computer,itgeneratesheat.

Extendedcontactwithyourbody,eventhroughclothing,maycauseaskin

burn.

•Donotplacetheacpoweradapterincontactwithanypartofyourbody

whileitisinuse.

•Neveruseittowarmyourbody.

Preventyourcomputerfromgettingwet.

Toavoidspillsandthedangerofelectricalshock,keepliquidsawayfromyour

computer.

Protectthecablesfrombeingdamaged.

Applyingstrongforcetocablesmaydamageorbreakthem.

Routecommunicationlines,orthecablesofanacpoweradapter,amouse,a

keyboard,aprinter,oranyotherelectronicdevice,sothattheycannotbewalked

on,trippedover,pinchedbyyourcomputerorotherobjects,orinanyway

subjectedtotreatmentthatcouldinterferewiththeoperationofyourcomputer.

©CopyrightLenovo2013

v

Protectyourcomputeranddatawhenmovingit.

Beforemovingacomputerequippedwithaharddiskdrive,dooneofthe

following,andensurethatthepowerbuttonisofforisblinking:

•Turnitoff.

•Putitinsleepmode.

•Putitinhibernationmode.

Thiswillhelptopreventdamagetothecomputer,andpossiblelossofdata.

Handleyourcomputergently.

Donotdrop,bump,scratch,twist,hit,vibrate,push,orplaceheavyobjectson

yourcomputer,display,orexternaldevices.

Carryyourcomputercarefully.

•Useaqualitycarryingcasethatprovidesadequatecushioningandprotection.

•Donotpackyourcomputerinatightlypackedsuitcaseorbag.

•Beforeputtingyourcomputerinacarryingcase,ensurethatitisoff,insleep

mode,orinhibernationmode.Donotputacomputerinacarryingcasewhileit

isturnedon.

Importantsafetyinformation

Note:Readtheimportantsafetyinformationrst.

Thisinformationcanhelpyousafelyuseyournotebookcomputer.Followandretainallinformationincluded

withyourcomputer.Theinformationinthisdocumentdoesnotalterthetermsofyourpurchaseagreement

ortheLenovo

®

LimitedWarranty.Formoreinformation,see“WarrantyInformation”intheSafety,Warranty,

andSetupGuidethatcomeswithyourcomputer.

Customersafetyisimportant.Ourproductsaredevelopedtobesafeandeffective.However,personal

computersareelectronicdevices.Powercords,poweradapters,andotherfeaturescancreatepotential

safetyrisksthatcanresultinphysicalinjuryorpropertydamage,especiallyifmisused.Toreducethese

risks,followtheinstructionsincludedwithyourproduct,observeallwarningsontheproductandinthe

operatinginstructions,andreviewtheinformationincludedinthisdocumentcarefully.Bycarefullyfollowing

theinformationcontainedinthisdocumentandprovidedwithyourproduct,youcanhelpprotectyourself

fromhazardsandcreateasafercomputerworkenvironment.

Note:Thisinformationincludesreferencestopoweradaptersandbatteries.Inadditiontonotebook

computers,someproducts(suchasspeakersandmonitors)shipwithexternalpoweradapters.Ifyouhave

suchaproduct,thisinformationappliestoyourproduct.Inaddition,computerproductscontainacoin-sized

internalbatterythatprovidespowertothesystemclockevenwhenthecomputerisunplugged,sothe

batterysafetyinformationappliestoallcomputerproducts.

viUserGuide

Conditionsthatrequireimmediateaction

Productscanbecomedamagedduetomisuseorneglect.Someproductdamageisseriousenough

thattheproductshouldnotbeusedagainuntilithasbeeninspectedand,ifnecessary,repairedby

anauthorizedservicer.

Aswithanyelectronicdevice,paycloseattentiontotheproductwhenitisturnedon.Onveryrare

occasions,youmightnoticeanodororseeapuffofsmokeorsparksventfromyourproduct.Oryou

mighthearsoundslikepopping,crackingorhissing.Theseconditionsmightmerelymeanthatan

internalelectroniccomponenthasfailedinasafeandcontrolledmanner.Or,theymightindicate

apotentialsafetyissue.However,donottakerisksorattempttodiagnosethesituationyourself.

ContacttheCustomerSupportCenterforfurtherguidance.ForalistofServiceandSupportphone

numbers,seethefollowingWebsite:

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

Frequentlyinspectyourcomputeranditscomponentsfordamageorwearorsignsofdanger.Ifyou

haveanyquestionabouttheconditionofacomponent,donotusetheproduct.ContacttheCustomer

SupportCenterortheproductmanufacturerforinstructionsonhowtoinspecttheproductand

haveitrepaired,ifnecessary.

Intheunlikelyeventthatyounoticeanyofthefollowingconditions,orifyouhaveanysafetyconcerns

withyourproduct,stopusingtheproductandunplugitfromthepowersourceandtelecommunication

linesuntilyoucanspeaktotheCustomerSupportCenterforfurtherguidance.

•Powercords,plugs,poweradapters,extensioncords,surgeprotectors,orpowersuppliesthatare

cracked,broken,ordamaged.

•Signsofoverheating,smoke,sparks,orre.

•Damagetoabattery(suchascracks,dents,orcreases),dischargefromabattery,orabuildupofforeign

substancesonthebattery.

•Acracking,hissingorpoppingsound,orstrongodorthatcomesfromtheproduct.

•Signsthatliquidhasbeenspilledoranobjecthasfallenontothecomputerproduct,thepowercordor

poweradapter.

•Thecomputerproduct,powercord,orpoweradapterhasbeenexposedtowater.

•Theproducthasbeendroppedordamagedinanyway.

•Theproductdoesnotoperatenormallywhenyoufollowtheoperatinginstructions.

Note:Ifyounoticetheseconditionswithaproduct(suchasanextensioncord)thatisnotmanufacturedfor

orbyLenovo,stopusingthatproductuntilyoucancontacttheproductmanufacturerforfurtherinstructions,

oruntilyougetasuitablereplacement.

Safetyguidelines

Alwaysobservethefollowingprecautionstoreducetheriskofinjuryandpropertydamage.

Serviceandupgrades

DonotattempttoserviceaproductyourselfunlessinstructedtodosobytheCustomerSupportCenteror

yourdocumentation.OnlyuseaServiceProviderwhoisapprovedtorepairyourparticularproduct.

Note:Somecomputerpartscanbeupgradedorreplacedbythecustomer.Upgradestypicallyare

referredtoasoptions.ReplacementpartsapprovedforcustomerinstallationarereferredtoasCustomer

ReplaceableUnits,orCRUs.Lenovoprovidesdocumentationwithinstructionswhenitisappropriatefor

customerstoinstalloptionsorreplaceCRUs.Youmustcloselyfollowallinstructionswheninstallingor

replacingparts.TheOffstateofsystemstatusindicatordoesnotnecessarilymeanthatvoltagelevelsinside

aproductarezero.Beforeyouremovethecoversfromaproductequippedwithapowercord,always

©CopyrightLenovo2013

vii

ensurethatthepoweristurnedoffandthattheproductisunpluggedfromanypowersource.Ifyouhave

anyquestionsorconcerns,contacttheCustomerSupportCenter.

Althoughtherearenomovingpartsinyourcomputerafterthepowercordhasbeendisconnected,the

followingwarningsarerequiredforyoursafety.

CAUTION:

Hazardousmovingparts.Keepngersandotherbodypartsaway.

CAUTION:

BeforereplacinganyCRUs,turnoffthecomputerandwaitthreetoveminutestoletthecomputer

coolbeforeopeningthecover.

Powercordsandpoweradapters

DANGER

Useonlythepowercordsandpoweradapterssuppliedbytheproductmanufacturer.

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

2

,or

better.Forothercountries,thesuitabletypesshallbeusedaccordingly.

Neverwrapapowercordaroundapoweradapterorotherobject.Doingsocanstressthecordin

waysthatcancausethecordtofray,crack,orcrimp.Thiscanpresentasafetyhazard.

Alwaysroutepowercordssothattheywillnotbewalkedon,trippedover,orpinchedbyobjects.

Protectpowercordsandpoweradaptersfromliquids.Forinstance,donotleaveyourpowercord

orpoweradapternearsinks,tubs,toilets,oronoorsthatarecleanedwithliquidcleansers.

Liquidscancauseashortcircuit,particularlyifthepowercordorpoweradapterhasbeenstressed

bymisuse.Liquidsalsocancausegradualcorrosionofpowercordterminalsand/ortheconnector

terminalsonapoweradapter,whichcaneventuallyresultinoverheating.

Ensurethatallpowercordconnectorsaresecurelyandcompletelypluggedintoreceptacles.

Donotuseanypoweradapterthatshowscorrosionattheacinputpinsorshowssignsof

overheating(suchasdeformedplastic)attheacinputpinsoranywhereonthepoweradapter.

Donotuseanypowercordswheretheelectricalcontactsoneitherendshowsignsofcorrosionor

overheatingorwherethepowercordappearstohavebeendamagedinanyway.

viiiUserGuide

Topreventpossibleoverheating,donotcoverthepoweradapterwithclothingorotherobjects

whenthepoweradapterispluggedintoanelectricaloutlet.

Extensioncordsandrelateddevices

Ensurethatextensioncords,surgeprotectors,uninterruptiblepowersupplies,andpowerstripsthatyouuse

areratedtohandletheelectricalrequirementsoftheproduct.Neveroverloadthesedevices.Ifpowerstrips

areused,theloadshouldnotexceedthepowerstripinputrating.Consultanelectricianformoreinformation

ifyouhavequestionsaboutpowerloads,powerrequirements,andinputratings.

Plugsandoutlets

DANGER

Ifareceptacle(poweroutlet)thatyouintendtousewithyourcomputerequipmentappearstobe

damagedorcorroded,donotusetheoutletuntilitisreplacedbyaqualiedelectrician.

Donotbendormodifytheplug.Iftheplugisdamaged,contactthemanufacturertoobtain

areplacement.

Donotshareanelectricaloutletwithotherhomeorcommercialappliancesthatdrawlargeamounts

ofelectricity;otherwise,unstablevoltagemightdamageyourcomputer,data,orattacheddevices.

Someproductsareequippedwithathree-prongedplug.Thisplugtsonlyintoagrounded

electricaloutlet.Thisisasafetyfeature.Donotdefeatthissafetyfeaturebytryingtoinsertitinto

anon-groundedoutlet.Ifyoucannotinserttheplugintotheoutlet,contactanelectricianforan

approvedoutletadapterortoreplacetheoutletwithonethatenablesthissafetyfeature.Never

overloadanelectricaloutlet.Theoverallsystemloadshouldnotexceed80percentofthebranch

circuitrating.Consultanelectricianformoreinformationifyouhavequestionsaboutpowerloads

andbranchcircuitratings.

Besurethatthepoweroutletyouareusingisproperlywired,easilyaccessible,andlocatedclose

totheequipment.Donotfullyextendpowercordsinawaythatwillstressthecords.

Besurethatthepoweroutletprovidesthecorrectvoltageandcurrentfortheproductyouare

installing.

Carefullyconnectanddisconnecttheequipmentfromtheelectricaloutlet.

Powersupplystatement

DANGER

Neverremovethecoveronapowersupplyoranypartthathasthefollowinglabelattached.

©CopyrightLenovo2013

ix

Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislabel

attached.Therearenoserviceablepartsinsidethesecomponents.Ifyoususpectaproblemwith

oneoftheseparts,contactaservicetechnician.

Externaldevices

CAUTION:

DonotconnectordisconnectanyexternaldevicecablesotherthanUSBcablewhilethecomputer

powerison;otherwise,youmightdamageyourcomputer.Toavoidpossibledamagetoattached

devices,waitatleastvesecondsafterthecomputerisshutdowntodisconnectexternaldevices.

Generalbatterynotice

DANGER

PersonalcomputersmanufacturedbyLenovocontainacoincellbatterytoprovidepowerto

thesystemclock.Inaddition,manymobileproducts,suchasnotebookcomputers,utilizea

rechargeablebatterypacktoprovidesystempowerwheninportablemode.Batteriessuppliedby

Lenovoforusewithyourproducthavebeentestedforcompatibilityandshouldonlybereplaced

withapprovedparts.

Neverattempttoopenorserviceanybattery.Donotcrush,puncture,orincineratebatteriesor

shortcircuitthemetalcontacts.Donotexposethebatterytowaterorotherliquids.Onlyrecharge

thebatterypackstrictlyaccordingtoinstructionsincludedintheproductdocumentation.

Batteryabuseormishandlingcancausethebatterytooverheat,whichcancausegassesorame

to“vent”fromthebatterypackorcoincell.Ifyounoticeanysignsofbulging,leakageorcorrosion

ontheexterioroftheproduct,thismaybetheresultofaninternalbatteryfault.Ifthisoccurs,stop

usingtheproductimmediatelyandpleasecontacttheLenovoSupportteamforfurtherinstructions.

Factoryreplacementofthebatteriesmayberequired.

Batteriescandegradewhentheyareleftunusedforlongperiodsoftime.Forsomerechargeable

batteries(particularlyLithiumIonbatteries),leavingabatteryunusedinadischargedstatecould

increasetheriskofabatteryshortcircuit,whichcouldshortenthelifeofthebatteryandcanalso

poseasafetyhazard.DonotletrechargeableLithium-Ionbatteriescompletelydischargeorstore

thesebatteriesinadischargedstate.

Built-inrechargeablebatterynotice

DANGER

Donotattempttoreplacetheinternalrechargeablelithiumionbatteries.ContactLenovoSupport

forfactoryreplacement.

xUserGuide

Lithiumcoincellbatterynotice

DANGER

Dangerofexplosionifbatteryisincorrectlyreplaced.

Whenreplacingthelithiumcoincellbattery,useonlythesameoranequivalenttypethatis

recommendedbythemanufacturer.Thebatterycontainslithiumandcanexplodeifnotproperly

used,handled,ordisposedof.

Donot:

•Throworimmerseintowater

•Heattomorethan100°C(212°F)

•Repairordisassemble

Disposeofthebatteryasrequiredbylocalordinancesorregulations.

ThefollowingstatementappliestousersinthestateofCalifornia,U.S.A.

CaliforniaPerchlorateInformation:

Productscontainingmanganesedioxidelithiumcoincellbatteriesmaycontainperchlorate.

PerchlorateMaterial-specialhandlingmayapply,See

www.dtsc.ca.gov/hazardouswaste/perchlorate

Heatandproductventilation

DANGER

Computers,acpoweradapters,andmanyaccessoriescangenerateheatwhenturnedonandwhen

batteriesarecharging.Notebookcomputerscangenerateasignicantamountofheatduetotheir

compactsize.Alwaysfollowthesebasicprecautions:

•Whenyourcomputeristurnedonorthebatteryischarging,thebase,thepalmrest,andsome

otherpartsmaybecomehot.Avoidkeepingyourhands,yourlap,oranyotherpartofyour

bodyincontactwithahotsectionofthecomputerforanyextendedlengthoftime.Whenyou

usethekeyboard,avoidkeepingyourpalmsonthepalmrestforaprolongedperiodoftime.

Yourcomputergeneratessomeheatduringnormaloperation.Theamountofheatdependson

theamountofsystemactivityandthebatterychargelevel.Extendedcontactwithyourbody,

eventhroughclothing,couldcausediscomfortorevenaskinburn.Periodicallytakebreaks

fromusingthekeyboardbyliftingyourhandsfromthepalmrest;andbecarefulnottouse

thekeyboardforanyextendedlengthoftime.

•Donotoperateyourcomputerorchargethebatterynearammablematerialsorinexplosive

environments.

•Ventilationslots,fansand/orheatsinksareprovidedwiththeproductforsafety,comfort,and

reliableoperation.Thesefeaturesmightinadvertentlybecomeblockedbyplacingtheproducton

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

•Whentheacpoweradapterisconnectedtoanelectricaloutletandyourcomputer,itgenerates

heat.Donotplacetheadapterincontactwithanypartofyourbodywhileusingit.Neverusethe

acpoweradaptertowarmyourbody.Extendedcontactwithyourbody,eventhroughclothing,

maycauseaskinburn.

xi

Foryoursafety,alwaysfollowthesebasicprecautionswithyourcomputer:

•Keepthecoverclosedwheneverthecomputerispluggedin.

•Regularlyinspecttheoutsideofthecomputerfordustaccumulation.

•Removedustfromventsandanyperforationsinthebezel.Morefrequentcleaningsmightbe

requiredforcomputersindustyorhigh-trafcareas.

•Donotrestrictorblockanyventilationopenings.

•Donotoperateyourcomputerinsidefurniture,asthismightincreasetheriskofoverheating.

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

Electricalcurrentsafetyinformation

DANGER

Electriccurrentfrompower,telephone,andcommunicationcablesishazardous.

Toavoidashockhazard:

•Donotuseyourcomputerduringalightningstorm.

•Donotconnectordisconnectanycablesorperforminstallation,maintenance,orreconguration

ofthisproductduringanelectricalstorm.

•Connectallpowercordstoaproperlywiredandgroundedelectricaloutlet.

•Connecttoproperlywiredoutletsanyequipmentthatwillbeattachedtothisproduct.

•Wheneverpossible,useonehandonlytoconnectordisconnectsignalcables.

•Neverturnonanyequipmentwhenthereisevidenceofre,water,orstructuraldamage.

•Disconnectallattachedcablesanddisablebatteriesbeforeopeninganyaccessibledevice

coversunlessinstructedotherwiseintheinstallationandcongurationprocedures.

•Donotuseyourcomputeruntilallinternalpartsenclosuresarefastenedintoplace.Neveruse

thecomputerwheninternalpartsandcircuitsareexposed.

DANGER

Connectanddisconnectcablesasdescribedinthefollowingprocedureswheninstalling,moving,

oropeningcoversonthisproductorattacheddevices.

Toconnect:

1.TurneverythingOFF .

2.First,attachallcablestodevices.

3.Attachsignalcablestoconnectors.

4.Attachpowercordstooutlets.

5.TurndevicesON.

Todisconnect:

1.TurneverythingOFF .

2.First,removepowercordsfromoutlets.

3.Removesignalcablesfromconnectors.

4.Removeallcablesfromdevices.

Thepowercordmustbedisconnectedfromthewalloutletorreceptaclebeforeinstallingallother

electricalcablesconnectedtothecomputer.

Thepowercordmaybereconnectedtothewalloutletorreceptacleonlyafterallotherelectrical

cableshavebeenconnectedtothecomputer.

xiiUserGuide

Liquidcrystaldisplay(LCD)notice

CAUTION:

Theliquidcrystaldisplay(LCD)ismadeofglass,androughhandlingordroppingthecomputercan

causetheLCDtobreak.IftheLCDbreaksandtheinternaluidgetsintoyoureyesoronyour

hands,immediatelywashtheaffectedareaswithwaterforatleast15minutes;ifanysymptomsare

presentafterwashing,getmedicalcare.

Usingheadphonesorearphones

CAUTION:

Excessivesoundpressurefromearphonesandheadphonescancausehearingloss.Adjustmentof

theequalizertomaximumincreasestheearphoneandheadphoneoutputvoltageandthesound

pressurelevel.Therefore,toprotectyourhearing,adjusttheequalizertoanappropriatelevel.

Excessiveuseofheadphonesorearphonesforalongperiodoftimeathighvolumecanbedangerousifthe

outputoftheheadphoneorearphoneconnectorsdonotcomplywithspecicationsofEN50332-2.The

headphoneoutputconnectorofyourcomputercomplieswithEN50332-2Subclause7.Thisspecication

limitsthecomputer’smaximumwidebandtrueRMSoutputvoltageto150mV.Tohelpprotectagainst

hearingloss,ensurethattheheadphonesorearphonesyouusealsocomplywithEN50332-2(Clause7

limits)forawidebandcharacteristicvoltageof75mV.UsingheadphonesthatdonotcomplywithEN

50332-2canbedangerousduetoexcessivesoundpressurelevels.

IfyourLenovocomputercamewithheadphonesorearphonesinthepackage,asaset,thecombinationof

theheadphonesorearphonesandthecomputeralreadycomplieswiththespecicationsofEN50332-1.

Ifdifferentheadphonesorearphonesareused,ensurethattheycomplywithEN50332-1(Clause6.5

LimitationValues).UsingheadphonesthatdonotcomplywithEN50332-1canbedangerousdueto

excessivesoundpressurelevels.

Additionalsafetyinformation

DANGER

Plasticbagscanbedangerous.Keepplasticbagsawayfrombabiesandchildrentoavoiddanger

ofsuffocation.

Noticefortabletpersonalcomputerusers

SafetynoticeforusersinAustralia

DANGER

Donotconnectphonelinewhileusingtabletmode.

NoticeforusersintheU.S.A.

Manypersonalcomputerproductsandaccessoriescontaincords,cablesorwires,suchaspowercordsor

cordstoconnecttheaccessorytoapersonalcomputer.Ifthisproducthassuchacord,cableorwire,then

thefollowingwarningapplies:

WARNING:Handlingthecordonthisproductorcordsassociatedwithaccessoriessoldwiththisproduct

willexposeyoutolead,achemicalknowntotheStateofCaliforniatocausecancer,andbirthdefectsor

otherreproductiveharm.Washhandsafterhandling.

Savetheseinstructions.

xiii

xivUserGuide

Chapter1.Productoverview

Thischapterprovidesinformationabouttheconnectorlocations,importantproductlabels,computer

features,specications,operatingenvironment,andpreinstalledprograms.

Thischaptercontainsthefollowingtopics:

•“Locatingcomputercontrols,connectors,andindicators”onpage1

•“Locatingimportantproductinformation”onpage8

•“Features”onpage9

•“Specications”onpage10

•“Operatingenvironment”onpage11

•“Lenovoprograms”onpage11

Locatingcomputercontrols,connectors,andindicators

Thissectionintroducesthecomputerhardwarefeaturestogiveyouthebasicinformationyouneedto

startusingthecomputer.

Frontview

Figure1.Frontview

1Camera(onsomemodels)4Fingerprintreader(onsomemodels)

2Microphones5TrackPoint

®

pointingstick

3Powerbutton6Touchpad

1

1Camera

Usethecameratotakepicturesorholdavideoconference.Formoreinformation,see“Usingthecamera”

onpage33.

2Microphones

Themicrophonescapturesoundandvoicewhenusedwithaprogramcapableofhandlingaudio.

3Powerbutton

Usethepowerbuttontoturnonthecomputer.

Toturnoffthecomputer,usetheStartmenushutdownoptionontheMicrosoft

®

Windows

®

7operating

system.FortheMicrosoftWindows8operatingsystem,movethecursortothebottom-rightcornerofthe

screentodisplaythecharms.ThenclickSettings➙Power➙Shutdown.

Ifyourcomputerstopsrespondingandyoucannotturnitoff,pressandholdthepowerbuttonforfour

secondsormore.Ifthecomputerstillisnotresponding,removetheacpoweradapterandresetthe

computerbyinsertingastraightenedpaperclipintotheemergencyresetholetoturnoffthecomputer.To

locatetheemergencyresethole,see“Bottomview”onpage5

.

Youalsocanprogramthepowerbuttonsothatbypressingthepowerbuttonyoucanturnoffthecomputer

orputthecomputerintosleeporhibernationmode.Toachievethis,youneedtochangeyourpowerplan

settings.Toaccesspowerplansettings,dothefollowing:

•ForWindows7:StartthePowerManagerprogramandthenclickthePowerPlantab.Forinstructionson

howtostartthePowerManagerprogram,see“AccessingLenovoprogramsontheWindows7operating

system”onpage11.

•ForWindows8:ClickthebatterystatusiconfromtheWindowsnoticationareaandclickMorepower

options➙Choosewhatthepowerbuttonsdo.

4Fingerprintreader(onsomemodels)

Somemodelshaveangerprintreader.Thengerprintauthenticationtechnologyenablesyoutouseyour

ngerprinttostartthecomputer,entertheThinkPadSetupprogram,orentertheWindowsoperatingsystem.

Formoreinformation,see“Usingthengerprintreader”onpage46.

ThinkPad

®

pointingdevice

5TrackPointpointingstick

6Touchpad

ThekeyboardcontainstheLenovouniqueThinkPadpointingdevice.Pointing,selecting,anddraggingareall

partofasingleprocessthatyoucanperformwithoutmovingyourngersfromatypingposition.Formore

information,see“UsingtheThinkPadpointingdevice”onpage20.

2UserGuide

Right-sideview

Figure2.Right-sideview

1AlwaysOnUSB3.0connector

3Fanlouvers

2MiniDisplayPortconnector

4Securitykeyhole

1AlwaysOnUSB3.0connector

Bydefault,theAlwaysOnUSB3.0connectorenablesyoutochargesomemobiledigitaldevicesand

smartphoneswhenyourcomputerisinsleepmode.

Ifyouwanttochargethesedeviceswhenyourcomputerisinhibernationmode,orturnedoff,dothe

following:

1.Connectthecomputertoanacpowersupply.

2.GotoThinkPadSetupandenableAlwaysOnUSBChargeinoffmode.Formoreinformation,see

“Congmenu”onpage93.

3.Dooneofthefollowing:

•ForWindows7:StartthePowerManagerprogramandclicktheGlobalPowerSettingstab.Then

selecttheEnableAlwaysOnUSBcheckbox.ForinstructionsonhowtostartthePowerManager

program,see“AccessingLenovoprogramsontheWindows7operatingsystem”onpage11.

•ForWindows8:PresstheWindowskeytogototheStartscreen.ClickLenovoSettings➙Power.

ThenselecttheEnablewhenthecomputerisoffcheckbox.

2MiniDisplayPortconnector

UsetheminiDisplayPortconnectortoconnectyourcomputertoacompatibleprojector,externalmonitor,or

high-denitiontelevision.

3Fanlouvers

Theinternalfanandlouversenableairtocirculateinthecomputertoensurepropercooling,especiallythe

coolingofthemicroprocessor.

Chapter1.Productoverview3

Note:Toensureproperairow,donotplaceanyobstaclesinfrontofthefan.

6Securitykeyhole

Toprotectyourcomputerfromtheft,youcanpurchaseasecuritycablelockthattsthesecuritykeyholeto

lockthecomputertoastationaryobject.

Left-sideview

Figure3.Left-sideview

1Powerconnector5Mediacardreaderslot

2Ethernetconnector

6Comboaudiojack

3VGAconnector7Smartcardslot(onsomemodels)

4USB3.0connector

1Powerconnector

Connecttheacpoweradaptertothepowerconnectortoprovideacpowertothecomputerandcharge

thebattery.

2Ethernetconnector

Connectyourcomputertoalocalareanetwork(LAN)withtheEthernetconnector.

DANGER

Toavoidtheriskofelectricalshock,donotconnectthetelephonecabletotheEthernetconnector.

YoucanonlyconnectanEthernetcabletothisconnector.

TheEthernetconnectorhastwoindicatorsthatshowthestatusofthenetworkconnection.Whenyour

computerconnectstoaLANandasessionwiththenetworkisavailable,thetop-leftindicatorissolidgreen.

Whiledataisbeingtransmitted,thetop-rightindicatorblinksyellow.

4UserGuide

Lenovo 20AA, 20AA000BUS, 20AA000MUS, T431s User manual

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