Lenovo 4284-WW9, T520, T520i, W520 User Manual

UserGuide

ThinkPadT520,T520i,andW520

Notes:Beforeusingthisinformationandtheproductitsupports,besuretoreadthefollowing:

•SafetyandWarrantyGuide

•RegulatoryNotice

•“Importantsafetyinformation”onpagevi

•AppendixC“Notices”onpage273

TheSafetyandWarrantyGuideandtheRegulatoryNoticehavebeenuploadedontheWebsite.T oreferto
them,gotohttp://support.lenovo.comandclickUserGuides&Manuals.Thenfollowtheinstructionson
thescreen.

ThirdEdition(May2012)

©CopyrightLenovo2012.

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................2

Right-sideview..............6

Left-sideview..............8

Bottomview..............10

Rearview...............12

Statusindicators............14

Locatingimportantproductinformation.....17

Machinetypeandmodellabel.......17

FCCIDandICCerticationnumberlabel..18

CerticateofAuthenticitylabel......19

Features.................20

Specications...............21

Operatingenvironment...........22

ThinkVantageT echnologiesandsoftware....22

AccessingapplicationsinWindows7....23

AccessConnections..........24

ActiveProtectionSystem.........24

ClientSecuritySolution.........25

ColorSensorUtility...........25

FingerprintSoftware...........25

LenovoSolutionCenter.........25

LenovoThinkVantageTools........26

LenovoThinkVantageToolbox.......26

MessageCenterPlus..........26

PasswordManager...........27

PowerManager............27

RecoveryMedia............27

PresentationDirector..........27

RescueandRecovery..........27

SimpleTap..............28

SystemUpdate............28

ThinkVantageGPS...........28

ThinkVantageProductivityCenter.....28

Chapter2.Usingyourcomputer...29

Registeryourcomputer...........29

Frequentlyaskedquestions.........29

Specialkeysandbuttons..........31

ThinkVantagebutton..........31

Numerickeypad............32

Functionkeycombinations........33

Volumeandmutebuttons........36

WindowskeyandApplicationkey.....38

UsingtheUltraNavpointingdevice.......39

UsingtheTrackPointpointingdevice....40

Usingthetouchpad...........41

BehavioroftheUltraNavandanexternal

mouse................42

AddingtheUltraNavicontothesystemtray.42

Touchpanel..............43

Powermanagement............44

Checkingbatterystatus.........44

Usingtheacpoweradapter........44

Chargingthebattery..........45

Maximizingbatterylife..........45

Managingyourbatterypower.......45

Power-savingmodes..........45

Handlingthebattery...........47

Connectingtothenetwork..........49

Ethernetconnections..........49

Wirelessconnections..........49

Usingthebuilt-inmodem.........57

Presentationsandmultimedia.........77

Changingdisplaysettings........77

Connectingaprojectororexternaldisplay..78

Settingupapresentation.........82

Usingdualdisplays...........83

UsingtheNVIDIAOptimusGraphicsfeature...84

Usingacolorprole............85

Usingaudiofeatures............85

Usinganintegratedcamera.........86

UsingtheThinkLightfeature.........87

Usingtheopticaldrive...........87

Usingthemediacardreader.........87

InsertinganExpressCard,aashmediacard,

orasmartcard.............88

RemovinganExpressCard,aashmedia

card,orasmartcard..........89

Chapter3.Y ouandyourcomputer..91

Accessibilityandcomfort..........91

Ergonomicinformation..........91

Adjustingyourcomputertotyou.....92

Accessibilityinformation.........93

FullScreenMagnierfunction.......93

Travelingwithyourcomputer.........94

©CopyrightLenovo2012

i

Traveltips...............94

Travelaccessories...........94

Chapter4.Security..........97

Attachingamechanicallock.........97

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

Passwordsandsleep(standby)mode....98

Typingpasswords...........98

Power-onpassword...........98

Harddiskpasswords..........99

Supervisorpassword..........101

Harddisksecurity.............103

Settingthesecuritychip...........104

Usingangerprintreader..........105

Noticeondeletingdatafromyourharddiskdrive

orsolidstatedrive.............109

Usingandunderstandingrewalls.......109

Protectingdataagainstviruses........109

Chapter5.Recoveryoverview...111

Creatingandusingrecoverymedia......111

Creatingrecoverymedia.........112

Usingrecoverymedia..........112

Performingbackupandrecoveryoperations...113

Performingabackupoperation......113

Performingarecoveryoperation......113

UsingtheRescueandRecoveryworkspace...114

Creatingandusingarescuemedium......115

Creatingarescuemedium........115

Usingarescuemedium.........116

Reinstallingpreinstalledapplicationsanddevice

drivers..................116

Solvingrecoveryproblems..........117

Chapter6.Replacingdevices....119

Staticelectricityprevention..........119

Replacingthebattery............119

Replacingthebackupbattery.........124

Replacingtheharddiskdrive.........126

Replacingthekeyboard...........130

Replacingmemory.............135

Replacingmemory(T520andT520i)....135

Increasingorreplacingmemory(W520)...139
InstallingandreplacingthemSA TAsolidstate

drive...................148

InstallingandreplacingthePCIExpressMiniCard

forwirelessLAN/WiMAXconnection......151

InstallingandreplacingthePCIExpressMiniCard

forwirelessWANconnection.........160

ReplacingtheSIMcard...........164

Replacingthesolidstatedrive........166

ReplacingtheUltrabaydevice........170

Chapter7.Enhancingyour

computer..............171

FindingThinkPadoptions..........171

UsingtheserialUltrabayenhanced......171

Performingahotswap..........171

Performingawarmswap.........172

Insertingtheharddiskdriveintothe

adapter................174

Insertingtheharddiskdriveadapterintothe

bay.................176

ThinkPadPortReplicatorSeries3,ThinkPadMini
DockSeries3,ThinkPadMiniDockPlusSeries3,
andThinkPadMiniDockPlusSeries3(170W)..177

Frontview...............178

Rearview...............181

AttachingaThinkPadPortReplicatorSeries3,
ThinkPadMiniDockSeries3,ThinkPadMini
DockPlusSeries3,orThinkPadMiniDock

PlusSeries3(170W)..........185

DetachingaThinkPadPortReplicatorSeries
3,ThinkPadMiniDockSeries3,ThinkPad
MiniDockPlusSeries3,ortheThinkPadMini

DockPlusSeries3(170W)........188

Securityfeature............190

Usingthesystemlockkey........192

Chapter8.Advanced

conguration............193

Installinganewoperatingsystem.......193

Beforeyoubegin............193

InstallingWindows7..........194

InstallingWindowsVista.........195

InstallingWindowsXP..........196

Installingdevicedrivers...........199

Installingthedriverfor4-in-1mediacard

reader................199

InstallingthedriverforUSB3.0......199

InstallingThinkPadMonitorFileforWindows

2000/XP/Vista/7............199

ThinkPadSetup..............201

Congmenu..............202

Dateandtimemenu...........203

Securitymenu.............203

Startupmenu.............204

Restartmenu.............206

ThinkPadSetupitems..........206

UpdatingyoursystemUEFIBIOS.....216

Usingsystemmanagement..........217

Systemmanagement..........217

Settingmanagementfeatures.......218

Chapter9.Preventingproblems..221

Generaltipsforpreventingproblems......221

iiUserGuide

Makingsuredevicedriversarecurrent.....222

GettingthelatestdriversfromtheWebsite..222
GettingthelatestdriversusingSystem

Update................222

Takingcareofyourcomputer.........222

Cleaningthecoverofyourcomputer....225

Chapter10.T roubleshooting

computerproblems.........227

Diagnosingproblems............227

Troubleshooting..............228

Computerstopsresponding.......228

Spillsonthekeyboard..........229

Errormessages............229

Errorswithoutmessages.........231

Beeperrors..............232

Memoryproblems...........233

Modemandnetworking.........233

Keyboardandotherpointingdevices....240

Displayandmultimediadevices......241

Fingerprintreaderproblems........251

Batteryandpower...........251

Drivesandotherstoragedevices.....255

Softwareproblems...........257

Portsandconnectors..........257

Chapter11.Gettingsupport....259

BeforeyoucontactLenovo..........259

Registeryourcomputer.........259

Downloadsystemupdates........259

Recordinformation...........259

Gettinghelpandservice...........260

Usingdiagnosticprograms........260

LenovoSupportWebsite.........260

CallingLenovo.............260

Purchasingadditionalservices........261

AppendixA.Regulatory

information.............263

Wirelessrelatedinformation.........263

LocationoftheUltraConnectwireless

antennas...............264

Locatingwirelessregulatorynotices....265

Exportclassicationnotice..........265

Electronicemissionnotices..........265

FederalCommunicationsCommission

DeclarationofConformity........266

IndustryCanadaClassBemissioncompliance

statement...............266

EuropeanUnion-Compliancetothe

ElectromagneticCompatibilityDirective...266

GermanClassBcompliancestatement...267

KoreaClassBcompliancestatement....267

JapanVCCIClassBcompliancestatement..267

Japancompliancestatementforproducts

whichconnecttothepowermainswith

ratedcurrentlessthanorequalto20Aper

phase................267

Lenovoproductserviceinformationfor

Taiwan................268

AppendixB.WEEEandrecycling

statements.............269

ImportantWEEEInformation.........269

BatteryrecyclinginformationforJapan.....269

BatteryrecyclinginformationforBrazil.....270

BatteryrecyclinginformationforTaiwan.....270

BatteryrecyclinginformationforEuropean

Union..................271

BatteryrecyclinginformationforUnitedStatesand

Canada.................271

AppendixC.Notices.........273

Trademarks................274

AppendixD.RestrictionofHazardous

SubstancesDirective(RoHS)....275

ChinaRoHS................275

TurkishRoHS...............275

UkraineRoHS...............275

IndiaRoHS................276

©CopyrightLenovo2012

iii

ivUserGuide

Readthisrst

Besuretofollowtheimportanttipsgivenheretocontinuetogetthemostuseandenjoymentoutofyour
computer.Failuretodosomightleadtodiscomfortorinjury,orcauseyourcomputertofail.

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.

Protectthecablesfrombeingdamaged.

•Toavoidspillsandthedangerofelectricalshock,keepliquidsawayfrom
yourcomputer.

Applyingstrongforcetocablesmaydamageorbreakthem.

•Routecommunicationlines,orthecablesofanacpoweradapter,amouse,a
keyboard,aprinter,oranyotherelectronicdevice,sothattheycannotbe
walkedon,trippedover,pinchedbyyourcomputerorotherobjects,orin
anywaysubjectedtotreatmentthatcouldinterferewiththeoperationof
yourcomputer.

©CopyrightLenovo2012

v

Protectyourcomputeranddatawhenmovingit.

Beforemovingacomputerequippedwithaharddiskdrive,dooneofthe
following,andmakesurethatthepowerswitchisofforisblinking:

•Turnitoff.

•PressFn+F4toputitinsleep(standby)mode

•PressFn+F12toputitinhibernationmode.

Thiswillhelptopreventdamagetothecomputer,andpossiblelossofdata.

Handleyourcomputergently.

•Donotdrop,bump,scratch,twist,hit,vibrate,push,orplaceheavyobjectson
yourcomputer,display,orexternaldevices.

Carryyourcomputercarefully.

•Useaqualitycarryingcasethatprovidesadequatecushioningandprotection.

•Donotpackyourcomputerinatightlypackedsuitcaseorbag.

•Beforeputtingyourcomputerinacarryingcase,makesurethatitisoff,insleep
(standby)mode(Fn+F4),orinhibernationmode(Fn+F12).Donotputacomputer
inacarryingcasewhileitisturnedon.

Importantsafetyinformation

Note:Readimportantsafetyinformationrst.

Thisinformationcanhelpyousafelyuseyournotebookpersonalcomputer.Followandretainallinformation
includedwithyourcomputer.Theinformationinthisdocumentdoesnotalterthetermsofyourpurchase
agreementortheLenovo
andWarrantyGuidecomeswithyourcomputer.

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.

®

LimitedWarranty.Formoreinformation,see“WarrantyInformation”intheSafety

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.

Formoreinformation,see“Importantsafetyinformation”intheSafetyandWarrantyGuidecomeswithyour
computer.

Serviceandupgrades

DonotattempttoserviceaproductyourselfunlessinstructedtodosobytheCustomerSupportCenteror
yourdocumentation.OnlyuseaServiceProviderwhoisapprovedtorepairyourparticularproduct.

Note:Somecomputerpartscanbeupgradedorreplacedbythecustomer.Upgradestypicallyare
referredtoasoptions.ReplacementpartsapprovedforcustomerinstallationarereferredtoasCustomer

©CopyrightLenovo2012

vii

ReplaceableUnits,orCRUs.Lenovoprovidesdocumentationwithinstructionswhenitisappropriatefor
customerstoinstalloptionsorreplaceCRUs.Youmustcloselyfollowallinstructionswheninstallingor
replacingparts.TheOffstateofapowerindicatordoesnotnecessarilymeanthatvoltagelevelsinsidea
productarezero.Beforeyouremovethecoversfromaproductequippedwithapowercord,alwaysmake
surethatthepoweristurnedoffandthattheproductisunpluggedfromanypowersource.Formore
informationonCRUs,refertoChapter6“Replacingdevices”onpage119forthisproduct.Ifyouhaveany
questionsorconcerns,contacttheCustomerSupportCenter.

Althoughtherearenomovingpartsinyourcomputerafterthepowercordhasbeendisconnected,the
followingwarningsarerequiredforyoursafety.

CAUTION:
Hazardousmovingparts.Keepngersandotherbodypartsaway.

CAUTION:

BeforereplacinganyCRUs,turnoffthecomputerandwaitthreetoveminutestoletthecomputer
coolbeforeopeningthecover.

Powercordsandpoweradapters

DANGER

Useonlythepowercordsandpoweradapterssuppliedbytheproductmanufacturer.

Thepowercordsshallbesafetyapproved.ForGermany,itshallbeH05VV-F,3G,0.75mm
better.Forothercountries,thesuitabletypesshallbeusedaccordingly.

Neverwrapapowercordaroundapoweradapterorotherobject.Doingsocanstressthecordin
waysthatcancausethecordtofray,crack,orcrimp.Thiscanpresentasafetyhazard.

Alwaysroutepowercordssothattheywillnotbewalkedon,trippedover,orpinchedbyobjects.

Protectpowercordandpoweradaptersfromliquids.Forinstance,donotleaveyourpowercordor
poweradapternearsinks,tubs,toilets,oronoorsthatarecleanedwithliquidcleansers.Liquids
cancauseashortcircuit,particularlyifthepowercordorpoweradapterhasbeenstressedby
misuse.Liquidsalsocancausegradualcorrosionofpowercordterminalsand/ortheconnector
terminalsonapoweradapter,whichcaneventuallyresultinoverheating.

Alwaysconnectpowercordsandsignalcablesinthecorrectorderandensurethatallpowercord
connectorsaresecurelyandcompletelypluggedintoreceptacles.

2

,or

DonotuseanypoweradapterthatshowscorrosionattheACinputpinsorshowssignsof
overheating(suchasdeformedplastic)attheACinputoranywhereonthepoweradapter.

viiiUserGuide

Donotuseanypowercordswheretheelectricalcontactsoneitherendshowsignsofcorrosionor
overheatingorwherethepowercordappearstohavebeendamagedinanyway.

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.

©CopyrightLenovo2012

ix

Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislabel
attached.Therearenoserviceablepartsinsidethesecomponents.Ifyoususpectaproblemwith
oneoftheseparts,contactaservicetechnician.

Externaldevices

CAUTION:
DonotconnectordisconnectanyexternaldevicecablesotherthanUniversalSerialBus(USB)and
1394cableswhilethecomputerpowerison;otherwise,youmightdamageyourcomputer.T oavoid
possibledamagetoattacheddevices,waitatleastvesecondsafterthecomputerisshutdownto
disconnectexternaldevices.

Batteries

DANGER

PersonalcomputersmanufacturedbyLenovocontainacoincellbatterytoprovidepowerto
thesystemclock.Inaddition,manymobileproducts,suchasnotebookcomputers,utilizea
rechargeablebatterypacktoprovidesystempowerwheninportablemode.Batteriessuppliedby
Lenovoforusewithyourproducthavebeentestedforcompatibilityandshouldonlybereplaced
withapprovedparts.

ThissystemdoesnotsupportbatteriesthatarenotgenuineLenovo-madeorauthorized.The
systemwillcontinuetoboot,butmaynotchargeunauthorizedbatteries.Attention:Lenovohasno
responsibilityfortheperformanceorsafetyofunauthorizedbatteries,andprovidesnowarranties
forfailuresordamagearisingoutoftheiruse.

Neverattempttoopenorserviceanybattery.Donotcrush,puncture,orincineratebatteriesor
shortcircuitthemetalcontacts.Donotexposethebatterytowaterorotherliquids.Onlyrecharge
thebatterypackstrictlyaccordingtoinstructionsincludedintheproductdocumentation.

Batteryabuseormishandlingcancausethebatterytooverheat,whichcancausegassesorame
to“vent”fromthebatterypackorcoincell.Ifyourbatteryisdamaged,orifyounoticeany
dischargefromyourbatteryorthebuildupofforeignmaterialsonthebatteryleads,stopusingthe
batteryandobtainareplacementfromthebatterymanufacturer.

Batteriescandegradewhentheyareleftunusedforlongperiodsoftime.Forsomerechargeable
batteries(particularlyLithiumIonbatteries),leavingabatteryunusedinadischargedstatecould
increasetheriskofabatteryshortcircuit,whichcouldshortenthelifeofthebatteryandcanalso
poseasafetyhazard.DonotletrechargeableLithium-Ionbatteriescompletelydischargeorstore
thesebatteriesinadischargedstate.

Rechargeablebatterynotice

DANGER

Donotattempttodisassembleormodifythebatterypack.Attemptingtodosocancausean
explosion,orliquidleakagefromthebatterypack.Abatterypackotherthantheonespeciedby
Lenovo,oradisassembledormodiedbatterypackisnotcoveredbythewarranty.

Iftherechargeablebatterypackisincorrectlyreplaced,thereisdangerofanexplosion.Thebattery
packcontainsasmallamountofharmfulsubstances.Toavoidpossibleinjury:

•ReplaceonlywithabatteryofthetyperecommendedbyLenovo.

xUserGuide

•Keepthebatterypackawayfromre.

•Donotexposeittowaterorrain.

•Donotattempttodisassembleit.

•Donotshort-circuitit.

•Keepitawayfromchildren.

•Donotdropthebatterypack.

Donotputthebatterypackintrashthatisdisposedofinlandlls.Whendisposingofthebattery,
complywithlocalordinancesorregulations.

Thebatterypackshouldbestoredatroomtemperature,chargedtoapproximately30to50%
ofcapacity.Werecommendthatbatterypackbechargedaboutonceperyeartoprevent
overdischarge.

Lithiumcoincellbatterynotice

DANGER

Dangerofexplosionifbatteryisincorrectlyreplaced.

Whenreplacingthelithiumcoincellbattery,useonlythesameoranequivalenttypethatis
recommendedbythemanufacturer.Thebatterycontainslithiumandcanexplodeifnotproperly
used,handled,ordisposedof.

Donot:

•Throworimmerseintowater

•Heattomorethan100°C(212°F).

•Repairordisassemble

Disposeofthebatteryasrequiredbylocalordinancesorregulations.

ThefollowingstatementappliestousersinthestateofCalifornia,U.S.A.

CaliforniaPerchlorateInformation:

ProductscontainingCR(manganesedioxide)lithiumcoincellbatteriesmaycontainperchlorate.

PerchlorateMaterial-specialhandlingmayapply.Goto:
http://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

©CopyrightLenovo2012

xi

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.

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.

•Disconnecttheattachedpowercords,batterypack,andallthecablesbeforeyouopenthe
devicecovers,unlessinstructedotherwiseintheinstallationandcongurationprocedures.

•Donotuseyoucomputeruntilallinternalpartsenclosuresarefastenedintoplace.Neveruse
thecomputerwheninternalpartsandcircuitsareexposed.

xiiUserGuide

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.

Modemsafetyinformation

DANGER

ForNorthAmericaType:

CAUTION:
Toreducetheriskofre,useonlyNo.26AWGorlarger(forexample,No.24AWG)
telecommunicationlinecordlistedbyUnderwritersLaboratories(UL)orcertiedbytheCanadian
StandardsAssociation(CSA).

Toreducetheriskofre,electricalshock,orinjurywhenusingtelephoneequipment,always
followbasicsafetyprecautionsasthefollowing:

•Donotconnectthecabletoordisconnectitfromthetelephoneoutletonthewallduringa
lightningstorm.

•Donotinstalltelephonejacksinwetlocations.Donotuseyourcomputernearwater.

•Donottouchuninsulatedtelephonewiresorterminalsunlessthetelephonelinehasbeen
disconnectedatthenetworkinterface.

•Usecautionwheninstallingormodifyingtelephonelines.

•Donotuseyourcomputerwiththetelephonecableconnectionduringanelectricalstorm.There
maybearemoteriskofelectricshockfromlightning.

•Donotuseatelephone(otherthanacordlesstype)duringanelectricalstorm.

•Donotusethetelephonetoreportagasleakinthevicinityoftheleak.

•DonotconnectthetelephonecabletotheEthernetconnector.

Lasercompliancestatement

CAUTION:
Whenlaserproducts(suchasCD-ROMs,DVDdrives,beropticdevices,ortransmitters)are
installed,notethefollowing:

•Donotremovethecovers.Removingthecoversofthelaserproductcouldresultinexposureto
hazardouslaserradiation.Therearenoserviceablepartsinsidethedevice.

©CopyrightLenovo2012

xiii

•Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespeciedherein
mightresultinhazardousradiationexposure.

DANGER

SomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing.

Laserradiationwhenopen.Donotstareintothebeam,donotviewdirectlywithoptical
instruments,andavoiddirectexposuretothebeam.

Liquidcrystaldisplay(LCD)notice

CAUTION:
TheLCDismadeofglass,androughhandlingordroppingthecomputercancausetheLCDtobreak.
IftheLCDbreaksandtheinternaluidgetsintoyoureyesoronyourhands,immediatelywashthe
affectedareaswithwaterforatleast15minutes;ifanysymptomsarepresentafterwashing,get
medicalcare.

Usingheadphonesorearphones

Ifyourcomputerhasbothaheadphoneconnectorandanaudio-outconnector,alwaysusetheheadphone
connectorforheadphones(alsocalledaheadset)orearphones.

CAUTION:
Excessivesoundpressurefromearphonesandheadphonescancausehearingloss.Adjustmentof
theequalizertomaximumincreasestheearphonesandheadphonesoutputvoltageandthereforethe
soundpressurelevel.

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.

NoticeforTabletPCusers

SafetyNoticeforusersinAustralia:

xivUserGuide

DANGER

Donotconnectphonelinewhileusingtabletmode.

NoticeforusersintheU.S.A.

ManyPCproductsandaccessoriescontaincords,cablesorwires,suchaspowercordsorcordstoconnect
theaccessorytoaPC.Ifthisproducthassuchacord,cableorwire,thenthefollowingwarningapplies:

WARNING

Handlingthecordonthisproductorcordsassociatedwithaccessoriessoldwiththisproductwillexpose
youtolead,achemicalknowntotheStateofCaliforniatocausecancer,andbirthdefectsorother
reproductiveharm.Washhandsafterhandling.

Savetheseinstructions.

©CopyrightLenovo2012

xv

xviUserGuide

Chapter1.ProductOverview

Thischapterprovidesinformationaboutthelocationsofconnectors,locatingimportantproductinformation,
computerfeatures,specications,operatingenvironment,andpreinstalledsoftwareprograms.

Thischaptercontainsthefollowingtopics:

•“Locatingcomputercontrols,connectors,features,andindicators”onpage1

•“Locatingimportantproductinformation”onpage17

•“Features”onpage20

•“Specications”onpage21

•“Operatingenvironment”onpage22

•“ThinkVantageTechnologiesandsoftware”onpage22

Locatingcomputercontrols,connectors,andindicators

Thissectionintroducesyoutothehardwarefeaturesofyourcomputer,andthengivesyouthebasic
informationyou'llneedtostarttakingadvantageofitsfunctions.

•Front

•Right-side

•Left-side

•Rear

•Bottom

•Statusindicators

©CopyrightLenovo2012

1

Frontview

Figure1.ThinkPadT520,T520i,andW520frontview

1Computerdisplay2Built-inmicrophone(right)

3Powerswitch

4PCIExpressMiniCardslotforwirelessWANormSATA

solidstatedrive(SSD)

5PCIExpressMiniCardslotforwirelessLAN/WiMAX6Colorsensor

7Memory-upgradeslot8T rackPointbuttons

9T rackPointpointingstick10ThinkVantagebutton

11Systemandpower-statusindicators12Built-inmicrophone(left)

13UltraConnectwirelessantenna(left)

15ThinkLight

17Built-instereospeaker(right)

19Fingerprintreader20Bluetoothantenna

21Touchpad22T ouchpadbuttons

23Fnkey

25CapsLockindicator

1Computerdisplay

14Integratedcamera

16UltraConnectwirelessantenna(right)

18ForwardandBackkeys

24Built-instereospeaker(left)

26Volumecontrolbuttons

Thehigh-resolution,thin-lmtransistor(TFT)displayprovidesclearandbrillianttextandgraphics.

Fordetails,refertotheinstructionsin“Changingdisplaysettings”onpage77.

2UserGuide

2Built-inmicrophone(right)
12Built-inmicrophone(left)

Thebuilt-inmicrophonecapturessoundandvoicewhenitisusedwithanapplicationprogramcapable
ofhandlingaudio.

3Powerswitch

Usethepowerswitchtoturnonthecomputer.Toturnoffyourcomputer,usetheStartmenushutdown
options.

Ifyoucannotturnoffthecomputerbythismethod,pressandholdthepowerswitchfor2seconds.

Ifyourcomputerstopsresponding,andyoucannotturnitoff,pressandholdthepowerswitchfor4seconds
ormore.Ifthesystemisstillnotreset,removetheacpoweradapterandthebattery.

ThepowerswitchalsocanbeprogrammedthroughPowerManagertoshutdownthecomputerorputitinto
sleep(standby)orhibernation.

4PCIExpressMiniCardslotforwirelessWANormSATAsolidstatedrive(SSD)

YourcomputermightincludeaPCIExpressMiniCardinthePCIExpressMiniCardslotwhichenables
wirelessWANcommunications.

WithLenovotechnologiesadvancingtoprovideyouwiththebestengineeredsystems,somemodelsare
equippedwithanmSATAsolidstatedrivefordatastorage.

5PCIExpressMiniCardslotforwirelessLAN/WiMAX

YourcomputermightincludeaPCIExpressMiniCardinthePCIExpressMiniCardslotwhichenables
wirelessLAN/WiMAXcommunications.

6Colorsensor

Thecolorsensorallowsyoutomeasureandadjustthecoloraccuracyofyourdisplays.Fordetails,referto
theinstructionsin“ColorSensorUtility”onpage25

7Memory-upgradeslot

.

Youcanincreasetheamountofmemoryinyourcomputerbyinstallingamemorymoduleinthememory
bay.Memorymodulesareavailableasoptions.

Note:Ifyourcomputerisadual-coreprocessormodel,twoDummyDIMMcardsarepreinstalledanddo
notreplacetheDummyDIMMcardswithSO-DIMMs.Fordetails,refertotheinstructionsin“Increasingor
replacingmemory(W520)”onpage139

UltraNav

8T rackPoint
9T rackPointpointingstick
21T ouchpad
22Touchpadbuttons

®

®

buttons

.

ThekeyboardcontainstheuniqueT rackPointpointingdevice.Pointing,selecting,anddraggingareallpart
ofasingleprocessthatyoucanperformwithoutmovingyourngersfromtypingposition.

MoveyourngertipacrosstheUltraNavtouchpadtomovethepointer.

TheTrackPointandtouchpadbuttonsprovidefunctionssimilartothoseofamouseanditsbuttons.

Chapter1.ProductOverview3

10ThinkVantage

PresstheThinkVantagebuttontolaunchtheSimpleTapprogram(forWindows
ProductivityCenterprogram(forWindowsXPandWindowsVista

®

button

®

®

).

7)ortheThinkVantage

Note:Dependingonthedatewhenyourcomputerwasmanufactured,yourcomputermighthavethe
LenovoThinkVantageToolboxprogrampreinstalledinsteadoftheSimpleT approgramortheThinkVantage
ProductivityCenterprogram.

YoualsocanusetheThinkVantagebuttontointerruptthestartupsequenceofyourcomputerandstartthe
RescueandRecovery®workspace.Formoreinformation,see“ThinkVantagebutton”onpage31

11Systemandpower-statusindicators

.

Yourcomputerhasthesystemstatusindicatorsandthepowerstatusindicators.Forthedetailedinformation
aboutthelocationandmeaningofeachindicator,see“System-statusindicators”onpage14and
“Power-statusindicators”onpage15

13UltraConnect™wirelessantenna(left)
16UltraConnectwirelessantenna(right)

.

Thebuilt-inantennasforthewirelesscommunicationarelocatedatthetopleftandthetoprightportionsof
yourcomputerdisplay.

Forthespeciclocationsofeachantenna,referto“LocationoftheUltraConnectwirelessantennas”on
page264.

14Integratedcamera

Somemodelshaveanintegratedcamera.Byusingthiscamera,youcantakepicturesorholdavideo
conference.

Formoreinformationabouthowtousethecamera,referto“Usinganintegratedcamera”onpage86.

15ThinkLight

®

Youcanuseyourcomputerunderlessthanperfectlightingconditions.

Toilluminatethekeyboard,turnontheThinkLightbypressingFn+PgUp.Toturnitoff,pressFn+PgUpagain.

17Built-instereospeaker(right)
24Built-instereospeaker(left)

Thestereospeakersarebuiltintoyourcomputer.

Fordetails,refertotheinstructionsin“Volumeandmutebuttons”onpage36.

18ForwardandBackkeys

TheForwardandBackkeysonyourkeyboardnearthecursor-controlkeysareusedwithyourInternet
browser,suchasInternetExplorer

®

.Theyfunctionliketheforwardandbackarrowsinthebrowserthat

moveyoubackandforwardtopagesyouhaveviewedintheorderthatyouopenedthem.

19Fingerprintreader

Somemodelshaveangerprintreader.Thengerprintauthenticationtechnologyenablesyoutouseyour
ngerprinttostartthecomputerandentertheThinkPadSetup.

Fordetails,refertotheinstructionsin“Usingangerprintreader”onpage105

4UserGuide

.

20Bluetoothantenna

YourcomputerhasIntegratedBluetoothfeatures.

23Fnkey

UsetheFnkeytotakeadvantageofThinkPad

®

functions,suchasturningontheThinkLight.Touse

ThinkPadfunctions,pressFn+therequiredfunctionkeymarkedinblue.

25CapsLockindicator

TheindicatorofCapsLockislocatedontheCapsLockkey.

FormoreinformationaboutCapsLockindicator,see“System-statusindicators”onpage14.

26Volumecontrolbuttons

Thebuilt-involumebuttonsenableyoutoquicklyadjustthevolumeormutethesoundfromyourcomputer.

Fordetails,refertotheinstructionsin“Volumeandmutebuttons”onpage36.

Chapter1.ProductOverview5

Right-sideview

Figure2.ThinkPadT520,T520i,andW520rightview

1Securitykeyhole

3SerialUltrabayenhanced4Comboaudiojack

5ExpressCardslot

1Securitykeyhole

2Ethernetconnector

6Mediacardreaderslot

Yourcomputercomeswithasecuritykeyhole.Youcanpurchaseasecuritycableandlocktotthiskeyhole.

2Ethernetconnector

ConnectyourcomputertoaLANwiththeEthernetconnector.

DANGER

Toavoidtheriskofelectricalshock,donotconnectthetelephonecabletotheEthernetconnector.
YoucanonlyconnectanEthernetcabletothisconnector.

Twoindicators,totheupperrightandleftoftheconnector,showthestatusofthenetworkconnection.
WhenyourcomputerconnectstoaLANandasessionwiththenetworkisavailable,theupperrightindicator
issolidgreen.Whiledataisbeingtransmitted,theupperleftindicatorblinksyellow.

Fordetails,refertotheinstructionsin“AccessConnections”onpage24

.

Note:IfyouattachyourcomputertotheThinkPadPortReplicatorSeries3,ThinkPadMiniDockSeries
3,ThinkPadMiniDockPlusSeries3,orThinkPadMiniDockPlusSeries3(170W)anduseanEthernet
connector,usetheEthernetconnectorontheThinkPadPortReplicatorSeries3,ThinkPadMiniDock
Series3,ThinkPadMiniDockPlusSeries3,orThinkPadMiniDockPlusSeries3(170W),nottheone
onthecomputer.

6UserGuide

3SerialUltrabay™enhanced

YourcomputerhasabayforSerialUltrabayEnhanceddevices.Anopticaldriveisinstalledinthebay.

Note:Youcaninstalla9.5-mm-thickserialUltrabayslimora12.7-mm-thickserialUltrabayenhanced
deviceintheserialUltrabayenhanced.

4Comboaudiojack

Tolistentothesoundfromyourcomputer,connectaheadphoneoraheadsetthathasa3.5mm4-pole
plugtothecomboaudiojack.

Notes:

•Ifyouareusingaheadsetwithafunctionswitch,forexample,aheadsetforaniPhone

®

mobiledigital
device,donotpressthisswitchwhileusingtheheadset.Ifyoupressit,theheadsetmicrophonewill
bedisabled,andtheinternalmicrophonewillbeenabledinstead.

•Thecomboaudiojackdoesnotsupportaconventionalmicrophone.Formoreinformationaboutthe
audiodevicessupportedbythecomboaudiojackofyourcomputerandtheaudiojacksofThinkPad
MiniDockSeries3,ThinkPadMiniDockPlusSeries3,andThinkPadMiniDockPlusSeries3(170W),
see“Usingaudiofeatures”onpage85

5ExpressCardslot

.

YourcomputerhasanExpressCardslotfora34mm-widecard.

Fordetails,refertotheinstructionsin“UsinganExpressCard,asmartcard,oraashmediaCard”on
page87

.

6Mediacardreaderslot

Dependingonthemodel,yourcomputermayhaveamediacardreaderslot.Themediacardreader
supportsthefollowingcards:

•SDcard

•SDHCcard

•SDXCcard

•MultiMediaCard

Note:Y ourcomputerdoesnotsupporttheCPRMfeatureforSDcard.

Fordetails,refertotheinstructionsin“UsinganExpressCard,asmartcard,oraashmediacard”on
page87

.

Chapter1.ProductOverview7

Left-sideview

Figure3.ThinkPadT520,T520i,andW520leftview

1Fanlouvers(left)

3Monitorconnector

5USB/eSATAcomboconnector

7Wirelessradioswitch

1Fanlouvers(left)

2DisplayPortconnector

4USBconnectors(left)

6IEEE1394connector

8Smartcardslot

Theinternalfanandlouversenableairtocirculateinthecomputerandcoolthecentralprocessor.

Note:T oavoidimpedingairow,donotplaceanyobstacleinfrontofthefan.

2DisplayPortconnector

YourcomputersupportstheDisplayPort,anext-generationdigitaldisplayinterfacethatconnectsa
compatibleprojector,externalmonitor,orHDTVtoyourcomputer.

3Monitorconnector

Youcanattachanexternalmonitororaprojectortoyourcomputertodisplaycomputerinformation.

Note:IfyouattachyourcomputertotheThinkPadPortReplicatorSeries3,ThinkPadMiniDockSeries3,
ThinkPadMiniDockPlusSeries3,orThinkPadMiniDockPlusSeries3(170W)anduseamonitorconnector,
usethemonitorconnectorontheThinkPadPortReplicatorSeries3,ThinkPadMiniDockSeries3,ThinkPad
MiniDockPlusSeries3,orThinkPadMiniDockPlusSeries3(170W),nottheoneonthecomputer.

Fordetails,refertotheinstructionsin“Attachinganexternalmonitor”onpage78

.

4USBconnectors(left)

TheUniversalSerialBusconnectorsareusedforconnectingdevicescompatiblewithaUSBinterface,
suchasaprinteroradigitalcamera.

Notes:

8UserGuide

•Yourcomputermaylookslightlydifferentfromtheillustrations.

•YourcomputeriscompatiblewithUSB1.1and2.0.SomemodelsarealsocompatiblewithUSB3.0.

•IfyourcomputerisaUSB3.0model,anyfunctionspecictoUSB3.0willnotworkuntilyourWindows
operatingsystemhasbeenstarted.However,USB2.0or1.0deviceswillwork.

5USB/eSATAcomboconnector

TheUniversalSerialBusconnectorsareusedforconnectingdevicescompatiblewithaUSBinterface,
suchasaprinteroradigitalcamera.

Note:YourcomputeriscompatiblewithUSB1.1and2.0.

WhenyouattachaUSBcabletotheconnector,makesurethatthemarkistotheupperside.Otherwisethe
connectormightbedamaged.

YoucanalsoconnectanexternalSATAdevice,suchasanexternalharddiskdrive,tothisconnector
onsomemodels.

Note:Toavoiddamagingtheconnector,becarefulwhenyouattachacablefromtheexternalSATAdevice
totheconnector.

6IEEE1394connector

YourcomputerhasanIEEE1394connector,whichisusedforconnectingdevicesthatarecompatiblewith
theIEEE1394interface,suchasdigitalvideocamerasandexternalharddiskdrives.

7Wirelessradioswitch

Youcanquicklyturnthewirelessfeaturesofyourcomputeronandoffusingthisswitch.

8Smartcardslot

Yourcomputerhasasmartcardslot.

Fordetails,refertotheinstructionsin“UsinganExpressCard,asmartcard,oraashmediacard”on
page87.

Chapter1.ProductOverview9

Bottomview

Figure4.ThinkPadT520,T520i,andW520bottomview

1SIMcardslot

3Dockingconnector4Memory-upgradeslot

5Harddiskdrive(HDD)orsolidstatedrive

1SIMcardslot

2Battery

IfyourcomputerhasawirelessWANfeature,itmayrequireaSIM(SubscriberIdenticationModule)cardto
establishawirelessWAN(WideAreaNetwork)connections.Dependingonthecountryofdelivery,theSIM
cardmaybealreadyinstalledintheSIMcardslot.

2Battery

Useyourcomputerwithbatterypowerwheneveracpowerisunavailable.

Byinstallingasecondbattery,availableasanoption,intheserialUltrabayenhanced,youcanextendthe
operatingtimeofthecomputer.Y oucanalsousePowerManagertoadjustyourpowersettingasneeded.

Fordetails,refertotheinstructionsin“PowerManager”onpage27

3Dockingconnector

.

WithaThinkPadPortReplicatorSeries3,ThinkPadMiniDockSeries3,ThinkPadMiniDockPlusSeries3,
orThinkPadMiniDockPlusSeries3(170W),youcanextendthecomputercapabilitieswhenyouarein
yourofceorathome.

4Memory-upgradeslot

Youcanincreasetheamountofmemoryinyourcomputerbyinstallingamemorymoduleinthememory
bay.Memorymodulesareavailableasoptions.

Note:Ifyourcomputerisadual-coreprocessormodel,twoDummyDIMMcardsarepreinstalledanddo
notreplacetheDummyDIMMcardswithSO-DIMMs.Fordetails,refertotheinstructionsin“Increasingor
replacingmemory(W520)”onpage139

.

10UserGuide

5Harddiskdrive(HDD)orsolidstatedrive

Yourcomputermayhavealarge-capacity,customer-upgradableharddiskdrivethatcanmeetavarietyof
storagedemands.Tokeepthedrivesafe,ActiveProtectionSystem™isinstalledonyourcomputer.For
details,referto“ActiveProtectionSystem”onpage24.

Ifyouwish,youcanpurchaseanotherharddiskdriveandinstallitintheserialUltrabayenhanced.

WithLenovotechnologiesadvancingtoprovideyouwiththebestengineeredsystems,somemodels
areequippedwithasolidstatedrivefordatastorage.Thiscutting-edgetechnologyenablesnotebook
computerstobelighter,smallerandfaster.

Note:Thehiddenservicepartitionisthereasonwhythereislessfreespacethanexpectedonyourhard
diskdriveorsolidstatedrive.Thisreductionismorenoticeableonthesolidstatedrivebecauseofits
smallercapacity.

Chapter1.ProductOverview11

Rearview

Figure5.ThinkPadT520,T520i,andW520rearview

1AlwaysOnUSBconnector(rear)

3Powerjack

1AlwaysOnUSBconnector(rear)

2Modemconnector

4Fanlouvers(rear)

TheUniversalSerialBusconnectorsareusedforconnectingdevicescompatiblewithaUSBinterface,
suchasaprinteroradigitalcamera.

Bydefault,evenwhenyourcomputerisinsleep(standby)mode,theAlwaysOnUSBconnectorstillenables
youtochargesomedevices,suchasiPod

®

andiPhoneandBlackBerry®smartphones,byattachingthe

devicestotheconnector.

However,withtheacpoweradapterattached,ifyouwanttochargethesedeviceswhenyourcomputer
isinhibernationmodeorpoweredoff,youwillneedtoopenthePowerManagerprogramandcongure
correspondingsettingstoenabletheAlwaysOnUSBconnectorfunction.Fordetailsabouthowtoenable
theAlwaysOnUSBconnectorfunction,refertotheonlinehelpofthePowerManagerprogram.

Notes:

•Yourcomputermaylookslightlydifferentfromtheillustrations.

•YourcomputeriscompatiblewithUSB1.1and2.0.

2Modemconnector

Connectyourcomputertoatelephonelinewiththemodemconnector.

Fordetails,refertotheinstructionsin“Dialupconnections”onpage75

3Powerjack

.

Theacpoweradaptercableconnectstothecomputerpowerjacktoprovidepowertothecomputerand
chargethebattery.

12UserGuide