UserGuide
ThinkPadT420sandT420si
Notes:Beforeusingthisinformationandtheproductitsupports,besuretoreadthefollowing:
•SafetyandWarrantyGuide
•RegulatoryNotice
•“Importantsafetyinformation”onpagevi
•AppendixC“Notices”onpage225
TheSafetyandWarrantyGuideandtheRegulatoryNoticehavebeenuploadedontheWebsite.T oreferto
them,gotohttp://www.lenovo.com/support,andthenclickUserguides&manuals.
ThirdEdition(May2012)
©CopyrightLenovo2012.
LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuantaGeneralServicesAdministration
“GSA”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.GS-35F-05925.
Contents
Readthisrst..............v
Importantsafetyinformation..........vi
Conditionsthatrequireimmediateaction..vii
Safetyguidelines............vii
Chapter1.Productoverview......1
Locatingcomputercontrols,connectors,and
indicators..................1
Frontview................2
Right-sideview..............5
Left-sideview..............6
Bottomview...............7
RearView................9
Statusindicators............10
Locatingimportantproductinformation.....13
Machinetypeandmodellabel.......13
FCCIDandICCerticationnumberlabel..14
CerticateofAuthenticitylabel......15
Features.................15
Specications...............17
Operatingenvironment...........17
ThinkVantageT echnologiesandsoftware....18
AccessingapplicationsinWindows7....18
AccessConnections..........20
ActiveProtectionSystem.........20
ClientSecuritySolution.........20
FingerprintSoftware...........21
LenovoSolutionCenter.........21
LenovoThinkVantageTools........21
LenovoThinkVantageToolbox.......21
MessageCenterPlus..........22
PasswordManager...........22
PowerManager............22
PresentationDirector..........22
ProductRecovery...........23
RescueandRecovery..........23
SimpleTap..............23
SystemUpdate............23
ThinkVantageGPS...........23
ThinkVantageProductivityCenter.....24
Chapter2.Usingyourcomputer...25
Registeryourcomputer...........25
Frequentlyaskedquestions.........25
Specialkeysandbuttons..........27
ThinkVantagebutton..........27
Numerickeypad............27
Functionkeycombinations........28
Volumeandmutebuttons........32
WindowskeyandApplicationkey.....33
UsingtheUltraNavpointingdevice.......34
UsingtheTrackPointpointingdevice....34
Usingthetouchpad...........36
BehavioroftheUltraNavandanexternal
mouse................37
AddingtheUltraNavicontothesystemtray.37
Touchpanel..............38
Powermanagement............38
Checkingbatterystatus.........39
Usingtheacpoweradapter........39
Chargingthebattery..........40
Maximizingbatterylife..........40
Managingyourbatterypower.......40
Power-savingmodes..........40
Handlingthebattery...........42
Connectingtothenetwork..........43
Ethernetconnections..........43
Wirelessconnections..........43
Usingaprojectororexternaldisplay......51
Changingdisplaysettings........51
Connectingaprojectororexternaldisplay..52
Settingupapresentation.........56
Usingdualdisplays...........57
UsingtheNVIDIAOptimusGraphicsfeature...59
Usingaudiofeatures............59
Usinganintegratedcamera.........60
UsingtheThinkLightfeature.........61
Usingtheopticaldrive...........61
Usingthemediacardreader.........61
InsertinganExpressCard,aashmediacard,
orasmartcard.............62
RemovinganExpressCard,aashmediacard
orasmartcard.............62
Chapter3.Y ouandyourcomputer..65
Accessibilityandcomfort..........65
Ergonomicinformation..........65
Adjustingyourcomputertotyou.....66
Accessibilityinformation.........67
FullScreenMagnierfunction.......67
Travelingwithyourcomputer.........68
Traveltips...............68
Travelaccessories...........68
©CopyrightLenovo2012
i
Chapter4.Security..........71
Attachingamechanicallock.........71
Usingpasswords..............71
Passwordsandsleep(standby)mode....72
Typingpasswords...........72
Power-onpassword...........72
Harddiskpasswords..........73
Supervisorpassword..........75
Harddisksecurity.............77
Settingthesecuritychip...........78
Usingangerprintreader..........79
Noticeondeletingdatafromyourharddiskdrive
orsolidstatedrive.............82
Usingandunderstandingrewalls.......82
Protectingdataagainstviruses........83
Chapter5.Recoveryoverview....85
Creatingandusingrecoverymedia......85
Creatingrecoverymedia.........86
Usingrecoverymedia..........86
Performingbackupandrecoveryoperations...87
Performingabackupoperation......87
Performingarecoveryoperation......87
UsingtheRescueandRecoveryworkspace...88
Creatingandusingarescuemedium......89
Creatingarescuemedium........89
Usingarescuemedium.........89
Reinstallingpreinstalledapplicationsanddevice
drivers..................90
Solvingrecoveryproblems..........91
Chapter6.Replacingdevices.....93
Staticelectricityprevention..........93
Replacingmemory.............93
Replacingthebackupbattery.........96
Replacingthebattery............97
Replacingtheharddiskdrive.........99
Replacingthekeyboard...........102
ReplacingthemSATAsolidstatedrive.....107
ReplacingthePCIExpressMiniCardforwireless
LAN/WiMAXconnection...........110
ReplacingthePCIExpressMiniCardforWireless
WAN..................119
ReplacingtheSIMcard...........123
Replacingthesolidstatedrive........124
Chapter7.Enhancingyour
computer..............129
FindingThinkPadoptions..........129
UsingtheSerialUltrabaySlim.........129
Replacingthedevice..........129
Performingahotswap..........130
Performingawarmswap.........131
Insertingtheharddiskdriveintothe
adapter................133
Insertingtheharddiskdriveadapterintothe
bay.................135
ThinkPadPortReplicatorSeries3,ThinkPadMini
DockSeries3,ThinkPadMiniDockPlusSeries3,
andThinkPadMiniDockPlusSeries3(170W)..136
Frontview...............136
Rearview...............139
AttachingaThinkPadPortReplicatorSeries3,
ThinkPadMiniDockSeries3,ThinkPadMini
DockPlusSeries3,orThinkPadMiniDock
PlusSeries3(170W)..........142
DetachingaThinkPadPortReplicatorSeries
3,ThinkPadMiniDockSeries3,ThinkPad
MiniDockPlusSeries3,ortheThinkPadMini
DockPlusSeries3(170W)........144
Securityfeature............146
Usingthesystemlockkey........148
Chapter8.Advanced
conguration............149
Installinganewoperatingsystem.......149
Beforeyoubegin............149
InstallingWindows7..........150
InstallingWindowsVista.........151
InstallingWindowsXP..........152
Installingdevicedrivers...........155
Installingthedriverforthe4-in-1MediaCard
Reader................155
InstallingthedriverforUSB3.0......155
InstallingThinkPadMonitorFileforWindows
2000/XP/Vista/7............155
ThinkPadSetup..............157
Congmenu..............158
Dateandtimemenu...........159
Securitymenu.............159
Startupmenu.............160
Restartmenu.............162
ThinkPadSetupitems..........162
UpdatingyoursystemUEFIBIOS.....172
Usingsystemmanagement..........172
Systemmanagement..........172
Settingmanagementfeatures.......173
Chapter9.Preventingproblems..175
Generaltipsforpreventingproblems......175
Makingsuredevicedriversarecurrent.....176
GettingthelatestdriversfromtheWebsite..176
GettingthelatestdriversusingSystem
Update................176
Takingcareofyourcomputer.........177
iiUserGuide
Cleaningthecoverofyourcomputer....178
Chapter10.T roubleshooting
computerproblems.........181
Diagnosingproblems............181
Troubleshooting..............182
Computerstopsresponding.......182
Spillsonthekeyboard..........183
Errormessages............183
Errorswithoutmessages.........185
Beeperrors..............186
Memoryproblems...........187
Networking..............187
Keyboardandotherpointingdevices....191
Displayandmultimediadevices......193
Fingerprintreaderproblems........202
Batteryandpower...........203
Drivesandotherstoragedevices.....206
Softwareproblems...........208
Portsandconnectors..........209
UniversalSerialBusproblems.......209
Adockingstationorportreplicator
problem...............209
Chapter11.Gettingsupport....211
BeforeyoucontactLenovo..........211
Registeryourcomputer.........211
Downloadsystemupdates........211
Recordinformation...........211
Gettinghelpandservice...........212
Usingdiagnosticprograms........212
LenovoSupportWebsite.........212
CallingLenovo.............212
Purchasingadditionalservices........213
AppendixA.Regulatory
information.............215
Wirelessrelatedinformation.........215
LocationoftheUltraConnectwireless
antennas...............216
Locatingwirelessregulatorynotices....217
Exportclassicationnotice..........218
Electronicemissionnotices..........218
FederalCommunicationsCommission
DeclarationofConformity........218
IndustryCanadaClassBemissioncompliance
statement...............218
EuropeanUnion-Compliancetothe
ElectromagneticCompatibilityDirective...218
GermanClassBcompliancestatement...219
KoreaClassBcompliancestatement....219
JapaneseVCCIClassBstatement.....220
Japancompliancestatementforproducts
whichconnecttothepowermainswith
ratedcurrentlessthanorequalto20Aper
phase................220
Lenovoproductserviceinformationfor
Taiwan................220
AppendixB.WEEEandrecycling
statements.............221
ImportantWEEEInformation.........221
Japanrecyclingstatements.........221
BatteryrecyclinginformationforBrazil.....222
BatteryrecyclinginformationforTaiwan.....222
BatteryrecyclinginformationforEuropean
Union..................223
BatteryrecyclinginformationforUnitedStatesand
Canada.................223
AppendixC.Notices.........225
Trademarks................226
AppendixD.RestrictionofHazardous
SubstancesDirective(RoHS)....227
ChinaRoHS................227
TurkishRoHS...............227
UkraineRoHS...............227
IndiaRoHS................228
©CopyrightLenovo2012
iii
ivUserGuide
Readthisrst
Besuretofollowtheimportanttipsgivenheretocontinuetogetthemostuseandenjoymentoutofyour
computer.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.
Protectthecablesfrombeingdamaged.
©CopyrightLenovo2012
•Toavoidspillsandthedangerofelectricalshock,keepliquidsawayfrom
yourcomputer.
Applyingstrongforcetocablesmaydamageorbreakthem.
•Routecommunicationlines,orthecablesofanacpoweradapter,amouse,a
keyboard,aprinter,oranyotherelectronicdevice,sothattheycannotbe
walkedon,trippedover,pinchedbyyourcomputerorotherobjects,orin
anywaysubjectedtotreatmentthatcouldinterferewiththeoperationof
yourcomputer.
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:Readimportantsafetyinformationrst.
Thisinformationcanhelpyousafelyuseyournotebookpersonalcomputer.Followandretainallinformation
includedwithyourcomputer.Theinformationinthisdocumentdoesnotalterthetermsofyourpurchase
agreementortheLenovoLimitedWarranty.Formoreinformation,seetheSafetyandWarrantyGuide
camewithyourcomputer.
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,orre.
•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,seetheSafetyandWarrantyGuidecamewithyourcomputer.
Serviceandupgrades
DonotattempttoserviceaproductyourselfunlessinstructedtodosobytheCustomerSupportCenteror
yourdocumentation.OnlyuseaServiceProviderwhoisapprovedtorepairyourparticularproduct.
Note:Somecomputerpartscanbeupgradedorreplacedbythecustomer.Upgradestypicallyare
referredtoasoptions.ReplacementpartsapprovedforcustomerinstallationarereferredtoasCustomer
ReplaceableUnits,orCRUs.Lenovoprovidesdocumentationwithinstructionswhenitisappropriatefor
customerstoinstalloptionsorreplaceCRUs.Youmustcloselyfollowallinstructionswheninstallingor
replacingparts.TheOffstateofapowerindicatordoesnotnecessarilymeanthatvoltagelevelsinsidea
©CopyrightLenovo2012
vii
productarezero.Beforeyouremovethecoversfromaproductequippedwithapowercord,alwaysmake
surethatthepoweristurnedoffandthattheproductisunpluggedfromanypowersource.Ifyouhave
anyquestionsorconcerns,contacttheCustomerSupportCenter.
Althoughtherearenomovingpartsinyourcomputerafterthepowercordhasbeendisconnected,the
followingwarningsarerequiredforyoursafety.
CAUTION:
Hazardousmovingparts.Keepngersandotherbodypartsaway.
CAUTION:
BeforereplacinganyCRUs,turnoffthecomputerandwaitthreetoveminutestoletthecomputer
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,oronoorsthatarecleanedwithliquidcleansers.Liquids
cancauseashortcircuit,particularlyifthepowercordorpoweradapterhasbeenstressedby
misuse.Liquidsalsocancausegradualcorrosionofpowercordterminalsand/ortheconnector
terminalsonapoweradapter,whichcaneventuallyresultinoverheating.
Alwaysconnectpowercordsandsignalcablesinthecorrectorderandensurethatallpowercord
connectorsaresecurelyandcompletelypluggedintoreceptacles.
DonotuseanypoweradapterthatshowscorrosionattheACinputpinsorshowssignsof
overheating(suchasdeformedplastic)attheACinputoranywhereonthepoweradapter.
2
,or
Donotuseanypowercordswheretheelectricalcontactsoneitherendshowsignsofcorrosionor
overheatingorwherethepowercordappearstohavebeendamagedinanyway.
viiiUserGuide
Extensioncordsandrelateddevices
Ensurethatextensioncords,surgeprotectors,uninterruptiblepowersupplies,andpowerstripsthatyouuse
areratedtohandletheelectricalrequirementsoftheproduct.Neveroverloadthesedevices.Ifpowerstrips
areused,theloadshouldnotexceedthepowerstripinputrating.Consultanelectricianformoreinformation
ifyouhavequestionsaboutpowerloads,powerrequirements,andinputratings.
Plugsandoutlets
DANGER
Ifareceptacle(poweroutlet)thatyouintendtousewithyourcomputerequipmentappearstobe
damagedorcorroded,donotusetheoutletuntilitisreplacedbyaqualiedelectrician.
Donotbendormodifytheplug.Iftheplugisdamaged,contactthemanufacturertoobtain
areplacement.
Donotshareanelectricaloutletwithotherhomeorcommercialappliancesthatdrawlargeamounts
ofelectricity;otherwise,unstablevoltagemightdamageyourcomputer,data,orattacheddevices.
Someproductsareequippedwithathree-prongedplug.Thisplugtsonlyintoagrounded
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.
Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislabel
attached.Therearenoserviceablepartsinsidethesecomponents.Ifyoususpectaproblemwith
oneoftheseparts,contactaservicetechnician.
©CopyrightLenovo2012
ix
Externaldevices
CAUTION:
DonotconnectordisconnectanyexternaldevicecablesotherthanUniversalSerialBus(USB)
cableswhilethecomputerpowerison;otherwise,youmightdamageyourcomputer.Toavoid
possibledamagetoattacheddevices,waitatleastvesecondsafterthecomputerisshutdownto
disconnectexternaldevices.
Batteries
DANGER
PersonalcomputersmanufacturedbyLenovocontainacoincellbatterytoprovidepowerto
thesystemclock.Inaddition,manymobileproducts,suchasnotebookcomputers,utilizea
rechargeablebatterypacktoprovidesystempowerwheninportablemode.Batteriessuppliedby
Lenovoforusewithyourproducthavebeentestedforcompatibilityandshouldonlybereplaced
withapprovedparts.
Neverattempttoopenorserviceanybattery.Donotcrush,puncture,orincineratebatteriesor
shortcircuitthemetalcontacts.Donotexposethebatterytowaterorotherliquids.Onlyrecharge
thebatterypackstrictlyaccordingtoinstructionsincludedintheproductdocumentation.
Batteryabuseormishandlingcancausethebatterytooverheat,whichcancausegassesorame
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.Abatterypackotherthantheonespeciedby
Lenovo,oradisassembledormodiedbatterypackisnotcoveredbythewarranty.
Iftherechargeablebatterypackisincorrectlyreplaced,thereisdangerofanexplosion.Thebattery
packcontainsasmallamountofharmfulsubstances.Toavoidpossibleinjury:
•ReplaceonlywithabatteryofthetyperecommendedbyLenovo.
•Keepthebatterypackawayfromre.
•Donotexposeittowaterorrain.
•Donotattempttodisassembleit.
•Donotshort-circuitit.
•Keepitawayfromchildren.
•Donotdropthebatterypack.
Donotputthebatterypackintrashthatisdisposedofinlandlls.Whendisposingofthebattery,
complywithlocalordinancesorregulations.
xUserGuide
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.See
http://www.dtsc.ca.gov/hazardouswaste/perchlorate.
Heatandproductventilation
DANGER
Computers,acpoweradapters,andmanyaccessoriescangenerateheatwhenturnedonandwhen
batteriesarecharging.Notebookcomputerscangenerateasignicantamountofheatduetotheir
compactsize.Alwaysfollowthesebasicprecautions:
•Whenyourcomputeristurnedonorthebatteryischarging,thebase,thepalmrest,andsome
otherpartsmaybecomehot.Avoidkeepingyourhands,yourlap,oranyotherpartofyour
bodyincontactwithahotsectionofthecomputerforanyextendedlengthoftime.Whenyou
usethekeyboard,avoidkeepingyourpalmsonthepalmrestforaprolongedperiodoftime.
Yourcomputergeneratessomeheatduringnormaloperation.Theamountofheatdependson
theamountofsystemactivityandthebatterychargelevel.Extendedcontactwithyourbody,
eventhroughclothing,couldcausediscomfortorevenaskinburn.Periodicallytakebreaks
fromusingthekeyboardbyliftingyourhandsfromthepalmrest;andbecarefulnottouse
thekeyboardforanyextendedlengthoftime.
•Donotoperateyourcomputerorchargethebatterynearammablematerialsorinexplosive
environments.
•Ventilationslots,fansand/orheatsinksareprovidedwiththeproductforsafety,comfort,and
reliableoperation.Thesefeaturesmightinadvertentlybecomeblockedbyplacingtheproducton
abed,sofa,carpet,orotherexiblesurface.Neverblock,cover,ordisablethesefeatures.
©CopyrightLenovo2012
xi
•Whentheacpoweradapterisconnectedtoanelectricaloutletandyourcomputer,itgenerates
heat.Donotplacetheadapterincontactwithanypartofyourbodywhileusingit.Neverusethe
acpoweradaptertowarmyourbody.Extendedcontactwithyourbody,eventhroughclothing,
maycauseaskinburn.
Foryoursafety,alwaysfollowthesebasicprecautionswithyourcomputer:
•Keepthecoverclosedwheneverthecomputerispluggedin.
•Regularlyinspecttheoutsideofthecomputerfordustaccumulation.
•Removedustfromventsandanyperforationsinthebezel.Morefrequentcleaningsmightbe
requiredforcomputersindustyorhigh-trafcareas.
•Donotrestrictorblockanyventilationopenings.
•Donotoperateyourcomputerinsidefurniture,asthismightincreasetheriskofoverheating.
•Airowtemperaturesintothecomputershouldnotexceed35°C(95°F).
Electricalcurrentsafetyinformation
DANGER
Electriccurrentfrompower ,telephone,andcommunicationcablesishazardous.
Toavoidashockhazard:
•Donotuseyourcomputerduringalightningstorm.
•Donotconnectordisconnectanycablesorperforminstallation,maintenance,orreconguration
ofthisproductduringanelectricalstorm.
•Connectallpowercordstoaproperlywiredandgroundedelectricaloutlet.
•Connecttoproperlywiredoutletsanyequipmentthatwillbeattachedtothisproduct.
•Wheneverpossible,useonehandonlytoconnectordisconnectsignalcables.
•Neverturnonanyequipmentwhenthereisevidenceofre,water,orstructuraldamage.
•Disconnecttheattachedpowercords,batterypack,andallthecablesbeforeyouopenthe
devicecovers,unlessinstructedotherwiseintheinstallationandcongurationprocedures.
•Donotuseyoucomputeruntilallinternalpartsenclosuresarefastenedintoplace.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
Lasercompliancestatement
CAUTION:
Whenlaserproducts(suchasCD-ROMs,DVDdrives,beropticdevices,ortransmitters)are
installed,notethefollowing:
•Donotremovethecovers.Removingthecoversofthelaserproductcouldresultinexposureto
hazardouslaserradiation.Therearenoserviceablepartsinsidethedevice.
•Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespeciedherein
mightresultinhazardousradiationexposure.
DANGER
SomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing.
Laserradiationwhenopen.Donotstareintothebeam,donotviewdirectlywithoptical
instruments,andavoiddirectexposuretothebeam.
Liquidcrystaldisplay(LCD)notice
CAUTION:
Forproductswithmercury-containinguorescentlamps(i.e.,non-LED)
•Theuorescentlampintheliquidcrystaldisplaycontainsmercury;disposeaccordingtolocal,
state,orfederallaws.
•TheLCDismadeofglass,androughhandlingordroppingthecomputercancausetheLCDto
break.IftheLCDbreaksandtheinternaluidgetsintoyoureyesoronyourhands,immediately
washtheaffectedareaswithwaterforatleast15minutes;ifanysymptomsarepresentafter
washing,getmedicalcare.
Usingheadphonesorearphones
Ifyourcomputerhasbothaheadphoneconnectorandanaudio-outconnector,alwaysusetheheadphone
connectorforheadphones(alsocalledaheadset)orearphones.
CAUTION:
Excessivesoundpressurefromearphonesandheadphonescancausehearingloss.Adjustmentof
theequalizertomaximumincreasestheearphonesandheadphonesoutputvoltageandthereforethe
soundpressurelevel.
Excessiveuseofheadphonesorearphonesforalongperiodoftimeathighvolumecanbedangerousifthe
outputoftheheadphoneorearphoneconnectorsdonotcomplywithspecicationsofEN50332-2.The
headphoneoutputconnectorofyourcomputercomplieswithEN50332-2Subclause7.Thisspecication
limitsthecomputer’smaximumwidebandtrueRMSoutputvoltageto150mV.Tohelpprotectagainst
hearingloss,ensurethattheheadphonesorearphonesyouusealsocomplywithEN50332-2(Clause7
limits)forawidebandcharacteristicvoltageof75mV.UsingheadphonesthatdonotcomplywithEN
50332-2canbedangerousduetoexcessivesoundpressurelevels.
IfyourLenovocomputercamewithheadphonesorearphonesinthepackage,asaset,thecombinationof
theheadphonesorearphonesandthecomputeralreadycomplieswiththespecicationsofEN50332-1.
Ifdifferentheadphonesorearphonesareused,ensurethattheycomplywithEN50332-1(Clause6.5
LimitationValues).UsingheadphonesthatdonotcomplywithEN50332-1canbedangerousdueto
excessivesoundpressurelevels.
©CopyrightLenovo2012
xiii
Additionalsafetyinformation
DANGER
Plasticbagscanbedangerous.Keepplasticbagsawayfrombabiesandchildrentoavoiddanger
ofsuffocation.
NoticeforTabletPCusers
SafetyNoticeforusersinAustralia:
DANGER
Donotconnectphonelinewhileusingtabletmode.
NoticeforusersintheU.S.A.
ManyPCproductsandaccessoriescontaincords,cablesorwires,suchaspowercordsorcordstoconnect
theaccessorytoaPC.Ifthisproducthassuchacord,cableorwire,thenthefollowingwarningapplies:
WARNING
Handlingthecordonthisproductorcordsassociatedwithaccessoriessoldwiththisproductwillexpose
youtolead,achemicalknowntotheStateofCaliforniatocausecancer,andbirthdefectsorother
reproductiveharm.Washhandsafterhandling.
Savetheseinstructions.
xivUserGuide
Chapter1.Productoverview
Thischapterprovidesinformationaboutthelocationsofconnectors,locatingimportantproductinformation,
computerfeatures,specications,operatingenvironment,andpreinstalledsoftwareprograms.
Thischaptercontainsthefollowingtopics:
•“Locatingcomputercontrols,connectors,andindicators”onpage1
•“Locatingimportantproductinformation”onpage13
•“Features”onpage15
•“Specications”onpage17
•“Operatingenvironment”onpage17
•“ThinkVantageTechnologiesandsoftware”onpage18
Locatingcomputercontrols,connectors,andindicators
Thissectionintroducesyoutothehardwarefeaturesofyourcomputer,andthengivesyouthebasic
informationyou'llneedtostarttakingadvantageofitsfunctions.
•“Frontview”onpage2
•“Right-sideview”onpage5
•“Left-sideview”onpage6
•“RearView”onpage9
•“Bottomview”onpage7
•“Statusindicators”onpage10
©CopyrightLenovo2012
1
Frontview
Figure1.ThinkPadT420s/T420sifrontview
1Computerdisplay
3ThinkVantagebutton4TrackPointbuttons
5TrackPointpointingstick6Volumecontrolbuttons
7Systemandpower-statusindicators8UltraConnect™wirelessantennas(left)
9Built-inmicrophone(left)
11ThinkLight
13UltraConnect™wirelessantennas(right)14Built-instereospeaker(right)
15ForwardandBackkeys16Fingerprintreader
17Bluetoothantenna18Touchpad
19Touchpadbuttons20Fnkey
21CapsLockindicator22Built-instereospeaker(left)
1Computerdisplay
2Powerswitch
10Integratedcamera
12Built-inmicrophone(right)
Thehigh-resolution,thin-lmtransistor(TFT)displayprovidesclearandbrillianttextandgraphics.
Fordetails,refertotheinstructionsin“Changingdisplaysettings”onpage51
2Powerswitch
.
Usethepowerswitchtoturnonthecomputer.Toturnoffyourcomputer,usetheStartmenushutdown
options.
Ifyoucannotturnoffthecomputerbythismethod,pressandholdthepowerswitchfor2seconds.
2UserGuide
Ifyourcomputerstopsresponding,andyoucannotturnitoff,pressandholdthepowerswitchfor4seconds
ormore.Ifthesystemisstillnotreset,removetheacpoweradapterandthebattery.
3ThinkVantagebutton
PresstheThinkVantagebuttontolaunchtheSimpleTapprogram(forWindows
ProductivityCenterprogram(forWindowsXPandWindowsVista
®
).
®
7)ortheThinkVantage
Note:Dependingonthedatewhenyourcomputerwasmanufactured,yourcomputermighthavethe
LenovoThinkVantageToolboxprogrampreinstalledinsteadoftheSimpleT approgramortheThinkVantage
ProductivityCenterprogram.
YoualsocanusetheThinkVantagebuttontointerruptthestartupsequenceofyourcomputerandstartthe
RescueandRecovery®workspace.Formoreinformation,see“ThinkVantagebutton”onpage27
.
UltraNav
4TrackPointbuttons
5TrackPointpointingstick
18T ouchpad
19Touchpadbuttons
ThekeyboardcontainstheuniqueTrackPoint
®
®
pointingdevice.Pointing,selecting,anddraggingareallpart
ofasingleprocessthatyoucanperformwithoutmovingyourngersfromtypingposition.
MoveyourngertipacrosstheUltraNavtouchpadtomovethepointer.
TheTrackPointandtouchpadbuttonsprovidefunctionssimilartothoseofamouseanditsbuttons.
6Volumecontrolbuttons
Thebuilt-involumebuttonsenableyoutoquicklyadjustthevolumeormutethesoundfromyourcomputer.
Fordetails,refertotheinstructionsin“Volumeandmutebuttons”onpage32.
7Systemandpower-statusindicators
Yourcomputerhasthesystemstatusindicatorsandthepowerstatusindicators.Forthedetailedinformation
aboutthelocationandmeaningofeachindicator,seeSystem-statusindicatorsandPower-statusindicators.
8UltraConnect™wirelessantennas(left)
13UltraConnectwirelessantennas(right)
Thebuilt-inantennasforthewirelesscommunicationarelocatedatthetopleftandthetoprightportionsof
yourcomputerdisplay.
Forthespeciclocationsofeachantenna,referto“LocationoftheUltraConnectwirelessantennas”on
page216.
9Built-inmicrophone(left)
12Built-inmicrophone(right)
Thebuilt-inmicrophonecapturessoundandvoicewhenitisusedwithanapplicationprogramcapable
ofhandlingaudio.
10Integratedcamera
Somemodelshaveanintegratedcamera.Byusingthiscamera,youcantakepicturesorholdavideo
conference.
Chapter1.Productoverview3
Formoreinformationabouthowtousethecamera,referto“Usinganintegratedcamera”onpage60.
11ThinkLight
Youcanuseyourcomputerunderlessthanperfectlightingconditions.
Toilluminatethekeyboard,turnontheThinkLight
®
bypressingFn+PgUp.Toturnitoff,pressFn+PgUp
again.
14Built-instereospeaker(right)
22Built-instereospeaker(left)
Thestereospeakersarebuiltintoyourcomputer.
Fordetails,refertotheinstructionsin“Volumeandmutebuttons”onpage32
15ForwardandBackkeys
.
TheForwardandBackkeysonyourkeyboardnearthecursor-controlkeysareusedwithyourInternet
browser,suchasInternetExplorer
®
.Theyfunctionliketheforwardandbackarrowsinthebrowserthat
moveyoubackandforwardtopagesyouhaveviewedintheorderthatyouopenedthem.
16Fingerprintreader
Somemodelshaveangerprintreader.Thengerprintauthenticationtechnologyenablesyoutouseyour
ngerprinttostartthecomputerandentertheUEFISetupUtility.
Fordetails,refertotheinstructionsin“Usingangerprintreader”onpage79.
17Bluetoothantenna
YourcomputerhasBluetoothIntegratedBluetoothfeatures.
20Fnkey
UsetheFnkeytotakeadvantageofThinkPad
®
functions,suchasturningontheThinkLight.Touse
ThinkPadfunctions,pressFn+therequiredfunctionkeymarkedinblue.
21CapsLockindicator
TheindicatorofCapsLockislocatedontheCapsLockkey.
FormoreinformationaboutCapsLockindicator,see“System-statusindicators”onpage11.
4UserGuide
Right-sideview
Figure2.ThinkPadT420s/T420sirightsideview
1Securitykeyhole2SerialUltrabaySlim
3Wirelessradioswitch
1Securitykeyhole
Yourcomputercomeswithasecuritykeyhole.Youcanpurchaseasecuritycableandlocktotthiskeyhole.
2SerialUltrabaySlim
YourcomputerhasabayforSerialUltrabaySlimdevices.Anopticaldriveisinstalledinthebay.
Note:Youcaninstallonlya9.5-mm-thickSerialUltrabaySlimdeviceintheSerialUltrabaySlim.Y ou
cannotinstallaSerialUltrabayEnhanceddevice.
3Wirelessradioswitch
Youcanquicklyturnthewirelessfeaturesofyourcomputeronandoffusingthisswitch.
Chapter1.Productoverview5
Left-sideview
Figure3.ThinkPadT420s/T420sileft-sideview
1Fanlouvers(left)2USBconnector(left)
3Comboaudiojack4MediacardreaderslotorExpressCardslot
5Smartcardslot
1Fanlouvers(left)
Theinternalfanandlouversenableairtocirculateinthecomputerandcoolthecentralprocessor.
Note:T oavoidimpedingairow,donotplaceanyobstacleinfrontofthefan.
2USBconnector(left)
TheUniversalSerialBusconnectorsareusedforconnectingdevicescompatiblewithaUSBinterface,
suchasaprinteroradigitalcamera.
Note:YourcomputeriscompatiblewithUSB1.1and2.0.
3Comboaudiojack
Tolistentothesoundfromyourcomputer,connectaheadphoneoraheadsetthathasa3.5mm4-pole
plug,tothecomboaudiojack.
Note:Ifyouareusingaheadsetwithafunctionswitch,forexample,aheadsetforaniPhone
®
mobiledigital
device,donotpressthisswitchwhileusingtheheadset.Ifyoupressit,theheadsetmicrophonewillbe
disabled,andtheinternalmicrophonewillbeenabledinstead.
Note:Thecomboaudiojackdoesnotsupportaconventionalmicrophone.Formoreinformationabout
theaudiodevicessupportedbythecomboaudiojackofyourcomputerandtheaudiojacksofThinkPad
MiniDockSeries3,ThinkPadMiniDockPlusSeries3,andThinkPadMiniDockPlusSeries3(170W).
See“Usingaudiofeatures”onpage59
.
6UserGuide
4MediacardreaderslotorExpressCardslot
Dependingonthemodel,yourcomputermighthaveamediacardreaderslotoranExpressCardslot.
•Ifyourcomputerhaveamediacardreaderslot.Themediacardreadersupportsthefollowingcards:
–SDcard
–SDHCcard
–SDXCcard
–MultiMediaCard
Note:Y ourcomputerdoesnotsupporttheCPRMfeatureforSDcard.
•IfyourcomputerhaveanExpressCardslot,itsupportsa34mm-widecard.
Fordetails,refertotheinstructionsin“Usingthemediacardreader”onpage61.
5Smartcardslot
Dependingonyourmodel,yourcomputermighthavethesmartcardslot.
Fordetails,refertotheinstructionsin“Usingthemediacardreader”onpage61.
Bottomview
Figure4.ThinkPadT420s/T420sibottomview
1PCIExpressMiniCardslotforwirelessLAN/WiMAX2PCIExpressMiniCardslotforwirelessWANormSATA
solidstatedrive
3Dockingconnector4Memory-upgradeslot
5Harddiskdriveorsolidstatedrive
7Battery
6SIMcardslot
Chapter1.Productoverview7
1PCIExpressMiniCardslotforwirelessLAN/WiMAX
YourcomputermightincludeaPCIExpressMiniCardinthePCIExpressMiniCardslotwhichenables
wirelessLAN/WiMAXcommunications.
2PCIExpressMiniCardslotforwirelessWANormSATAsolidstatedrive
YourcomputermightincludeaPCIExpressMiniCardinthePCIExpressMiniCardslotwhichenables
wirelessWANcommunications.
WithLenovotechnologiesadvancingtoprovideyouwiththebestengineeredsystems,somemodelsare
equippedwithamSATAsolidstatedrivefordatastorage.
3Dockingconnector
WithaThinkPadPortReplicatorSeries3,ThinkPadMiniDockSeries3,ThinkPadMiniDockPlusSeries3,
orThinkPadMiniDockPlusSeries3(170W),youcanextendthecomputercapabilitieswhenyouarein
yourofceorathome.
4Memory-upgradeslot
Youcanincreasetheamountofmemoryinyourcomputerbyinstallingamemorymoduleinthememory
bay.Memorymodulesareavailableasoptions.
5Harddiskdriveorsolidstatedrive
Yourcomputermayhavealarge-capacity,customer-upgradableharddiskdrivethatcanmeetavarietyof
storagedemands.Tokeepthedrivesafe,ActiveProtectionSystem™isinstalledonyourcomputer.For
details,referto“ActiveProtectionSystem”onpage20
.
Ifyouwish,youcanpurchaseanotherharddiskdriveandinstallitintheSerialUltrabaySlim.
WithLenovotechnologiesadvancingtoprovideyouwiththebestengineeredsystems,somemodels
areequippedwithasolidstatedrivefordatastorage.Thiscutting-edgetechnologyenablesnotebook
computerstobelighter,smallerandfaster.
Note:Thehiddenservicepartitionisthereasonwhythereislessfreespacethanexpectedonyourhard
diskdriveorsolidstatedrive.Thisreductionismorenoticeableonthesolidstatedrivebecauseofits
smallercapacity.
6SIMcardslot
IfyourcomputerhasawirelessWANfeature,itmayrequireaSIM(SubscriberIdenticationModule)cardto
establishawirelessWAN(WideAreaNetwork)connections.Dependingonthecountryofdelivery,theSIM
cardmaybealreadyinstalledintheSIMcardslot.
7Battery
Useyourcomputerwithbatterypowerwheneveracpowerisunavailable.
Byinstallingasecondbattery,availableasanoption,intheSerialUltrabaySlim,youcanextendthe
operatingtimeofthecomputer.Y oucanalsousePowerManagertoadjustyourpowersettingasneeded.
Fordetails,refertotheinstructionsin“PowerManager”onpage22
.
8UserGuide
RearView
Figure5.ThinkPadT420s/T420sirearview
1Powerjack2Ethernetconnector
3USBconnector(rear)4AlwaysOnUSBconnector
5DisplayPortconnector6Monitorconnector
7Fanlouvers(rear)
1Powerjack
Theacpoweradaptercableconnectstothecomputerpowerjacktoprovidepowertothecomputerand
chargethebattery.
2Ethernetconnector
ConnectyourcomputertoaLANwiththeEthernetconnector.
DANGER
Toavoidtheriskofelectricalshock,donotconnectthetelephonecabletotheEthernetconnector.
YoucanonlyconnectanEthernetcabletothisconnector.
Twoindicators,totheupperrightandleftoftheconnector,showthestatusofthenetworkconnection.
WhenyourcomputerconnectstoaLANandasessionwiththenetworkisavailable,theupperrightindicator
issolidgreen.Whiledataisbeingtransmitted,theupperleftindicatorblinksyellow.
Fordetails,refertotheinstructionsin“AccessConnections”onpage20
.
Note:IfyouattachyourcomputertotheThinkPadPortReplicatorSeries3,ThinkPadMiniDockSeries
3,ThinkPadMiniDockPlusSeries3,orThinkPadMiniDockPlusSeries3(170W);anduseanEthernet
connector,usetheEthernetconnectorontheThinkPadPortReplicatorSeries3,ThinkPadMiniDock
Series3,ThinkPadMiniDockPlusSeries3,orThinkPadMiniDockPlusSeries3(170W),nottheone
onthecomputer.
Chapter1.Productoverview9
3USBconnector(rear)
TheUniversalSerialBusconnectorsareusedforconnectingdevicescompatiblewithaUSBinterface,
suchasaprinteroradigitalcamera.
Notes:
•YourcomputeriscompatiblewithUSB1.1,2.0,and3.0.
•IfyourcomputerisaUSB3.0model,anyfunctionspecictoUSB3.0willnotworkuntilyourWindows
operatingsystemhasbeenstarted.However,USB2.0or1.0deviceswillwork.
4AlwaysOnUSBconnector
TheUniversalSerialBusconnectorsareusedforconnectingdevicescompatiblewithaUSBinterface,
suchasaprinteroradigitalcamera.
Bydefault,evenifyourcomputerisinsleep(standby)mode,theAlwaysOnUSBconnectorstillenables
youtochargesomedevices,suchasiPod
®
,iPhone,andBlackBerry®smartphones,byattachingthe
devicestotheconnector.
However,withtheacpoweradapterattached,ifyouwanttochargethesedeviceswhenyourcomputer
isinhibernationmodeorpoweredoff,youwillneedtoopenthePowerManagerprogramandcongure
correspondingsettingstoenabletheAlwaysOnUSBconnectorfunction.Fordetailsabouthowtoenable
theAlwaysOnUSBconnectorfunction,refertotheon-linehelpofthePowerManagerprogram.
Note:YourcomputeriscompatiblewithUSB1.1and2.0.
5DisplayPortconnector
YourcomputersupportstheDisplayPort,anext-generationdigitaldisplayinterfacethatconnectsa
compatibleprojector,externalmonitor,orHDTVtoyourcomputer.
Formoreinformation,referto“UsingtheDisplayPortconnector”onpage56.
6Monitorconnector
Youcanattachanexternalmonitororaprojectortoyourcomputertodisplaycomputerinformation.
Note:IfyouattachyourcomputertotheThinkPadPortReplicatorSeries3,ThinkPadMiniDockSeries
3,ThinkPadMiniDockPlusSeries3,orThinkPadMiniDockPlusSeries3(170W);anduseamonitor
connector,usethemonitorconnectorontheThinkPadPortReplicatorSeries3,ThinkPadMiniDockSeries3,
ThinkPadMiniDockPlusSeries3,orThinkPadMiniDockPlusSeries3(170W),nottheoneonthecomputer.
Fordetails,refertotheinstructionsin“Attachinganexternalmonitor”onpage52.
7Fanlouvers(rear)
Theinternalfanandlouversenableairtocirculateinthecomputerandcoolthecentralprocessor.
Note:T oavoidimpedingairow,donotplaceanyobstacleinfrontofthefan.
Statusindicators
Thestatusindicatorsshowthecurrentstatusofyourcomputer.
10UserGuide
System-statusindicators
1DeviceAccess
Aharddiskdriveoranoptionaldrive,suchasadriveintheUltrabay,isbeingusedtoreadorwritedata.
Whenthisindicatorisblinking,donotputthecomputerintosleep(standby)mode,removethe
devicefromthebay,orturnoffthecomputer.
2PowerOn
Thepowerswitchstayslitwheneverthecomputerison,blinkswhenthecomputerisinsleep(standby)
mode,andisoffwhenthecomputerisoff.
3CapsLock
CapsLockmodeisenabled.Youcanenterallalphabeticcharacters(A-Z)inuppercasewithoutpressing
theShiftkey.
4Numericlock
Bydefault,whenthenumericlockison,thenumericlockindicatorisdisplayedonthescreen.Tochangethe
settingsofthenumericlockindicator,see“Changingdisplaysettings”onpage51.
Note:Anothermodeavailableforyourcomputer,thoughthereisnoindicatorforit,isScrollLockmode.
Whenthismodeisenabled,thearrowkeyscanbeusedasfunctionkeysforscreen-scrolling,butnotfor
movingthecursor.Toenableordisablethismode,pressScrLk.Notallapplicationprogramssupport
thisfunction.
Power-statusindicators
Thecomputerhasstatusindicatorsthatshowthemode(sleep/standby,hibernation,ornormal),acpower
status,thestatusofthebattery.Thefollowingshowsthelocationandthemeaningoftheindicators:
Chapter1.Productoverview11
1Sleep(standbyinWindowsXP)status
•Green:Thecomputerisinsleep(standby)mode.
•Blinkinggreen:Thecomputerisenteringsleep(standby)orhibernationmode,orisresumingnormal
operation.
2Batterystatus
•Green:Thebatteryhasmorethan20%charge.
•Orange:Thebatteryhasbetween5%and20%charge
•Fastblinkingorange:Thebatteryhaslessthan5%charge.
Note:Thebatterymaybecharging.
•Slowblinkingorange:Thebatteryisbeingcharged.Whenitreaches20%,theblinkingcolorchangesto
green.
•Slowblinkinggreen:Thebatteryhasbetween20%and80%charge,andchargingiscontinuing.
Whenthebatteryreaches80%charge,blinkingstops,butthechargingmaycontinueuntilthebatteryis
100%charged.
Note:Ifthecomputerisoperatingonbatterypower,theBatterystatusindicatordoesnotworkwhilethe
computeristurnedofforisinsleep(standby)modeorhibernationmode.
•Quickblinkingorange:Anerrorhasbeenoccurredinthebattery.
•Thebatterystatusindicatorblinksthreetimes:Theacpoweradapterisattachedtothecomputer.
•Thebatterystatusindicatorisoff:Thebatteryisfullychargedorthebatteryisdetached.
12UserGuide
IfyourcomputerisshippedwithaBluetoothfeature,awirelessLANfeature,awirelessWANfeature,anda
WiMAXfeature,youcanusethefollowingindicators:
3Bluetoothstatus
•Green:Thefeatureison,andtheradiolinkisreadyforuse,orthedataisbeingtransmitted.
•Off:TheBluetoothfeatureisdisabled.
4WirelessLAN/WirelessWAN/WiMAXstatus
•Green:ThewirelessLANfeature(the802.11b/gStandard,802.11a/b/gor802.11ndraft2.0),wireless
WANfeatureorWiMAXfeatureison,andtheradiolinkisreadyforuse,orthedataisbeingtransmitted.
•Off:Wirelessnetworkdevicesaredisabledortheradioisturnedoff.
Locatingimportantproductinformation
Thissectionprovidesinformationtohelpyoulocateyourmachinetypeandmodellabel,FCCIDandIC
Certicationlabel,andtheMicrosoft
®
CerticateofAuthenticity(COA)label.
Machinetypeandmodellabel
Themachinetypeandmodellabelidentiesyourcomputer.IfyoucontactLenovoforhelp,themachine
typeandmodelnumberwillenablesupporttechnicianstoidentifyyourcomputerandprovidethehighest
levelofservice.
Chapter1.Productoverview13
Youcanndthemachinetypeandmodelofyourcomputerinthelabelasshownbelow:
FCCIDandICCerticationnumberlabel
ThereisnoFCCIDorICCerticationnumberforthePCIExpressMiniCardshownontheenclosureof
yourcomputer.TheFCCIDandICCerticationnumberlabelisafxedonthecardinstalledinthePCI
ExpressMiniCardslotofyourcomputer.
14UserGuide