Lenovo ThinkPad T420 User manual

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UserGuide
ThinkPadT420andT420i
Notes:Beforeusingthisinformationandtheproductitsupports,besuretoreadthefollowing:
SafetyandWarrantyGuide
RegulatoryNotice
“Importantsafetyinformation”onpagevi
AppendixC“Notices”onpage253
TheSafetyandWarrantyGuideandtheRegulatoryNoticehavebeenuploadedontheWebsite.Toreferto
them,gotohttp://www.lenovo.com/support,andthenclickUserguides&manuals.
FirstEdition(February2011)
©CopyrightLenovo2011.
LENOVOproducts,data,computersoftware,andserviceshavebeendevelopedexclusivelyatprivateexpenseandare
soldtogovernmentalentitiesascommercialitemsasdenedby48C.F.R.2.101withlimitedandrestrictedrightsto
use,reproductionanddisclosure.
LIMITEDANDRESTRICTEDRIGHTSNOTICE:Ifproducts,data,computersoftware,orservicesaredeliveredpursuant
aGeneralServicesAdministration“GSAcontract,use,reproduction,ordisclosureissubjecttorestrictionssetforth
inContractNo.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..............5
Left-sideview..............7
Bottomview...............8
Rearview...............10
Statusindicators............11
Locatingimportantproductinformation.....13
Machinetypeandmodellabel.......13
FCCIDandICCerticationnumberlabel..14
CerticateofAuthenticitylabel......15
Features.................16
Specications...............17
Operatingenvironment...........18
ThinkVantageTechnologiesandsoftware....18
AccessingapplicationsinWindows7....19
AccessConnections..........20
ActiveProtectionSystem.........21
ClientSecuritySolution.........21
FingerprintSoftware...........21
LenovoThinkVantageTools........21
LenovoThinkVantageToolbox.......22
MessageCenterPlus..........22
PasswordManager...........22
PowerManager............22
PresentationDirector..........23
ProductRecovery...........23
RescueandRecovery..........23
SystemUpdate............23
ThinkVantageGPS...........23
Chapter2.Usingyourcomputer...25
Registeryourcomputer...........25
Frequentlyaskedquestions.........25
Specialkeysandbuttons..........27
ThinkVantagebutton..........27
Numerickeypad............27
Functionkeycombinations........28
Volumeandmutebuttons........31
WindowskeyandApplicationkey.....33
UsingtheUltraNavpointingdevice.......33
UsingtheTrackPointpointingdevice....34
Usingthetouchpad...........35
BehavioroftheUltraNavandanexternal
mouse................36
AddingtheUltraNavicontothesystemtray.37
Powermanagement............37
Checkingbatterystatus.........37
Usingtheacpoweradapter........38
Chargingthebattery..........38
Maximizingbatterylife..........38
Managingyourbatterypower.......39
Power-savingmodes..........39
Handlingthebattery...........40
Connectingtothenetwork..........42
Ethernetconnections..........42
Wirelessconnections..........42
Usingthebuilt-inmodem.........49
Usingaprojectororexternaldisplay......69
Changingdisplaysettings........69
Connectingaprojectororexternaldisplay..70
Settingupapresentation.........75
Usingdualdisplays...........75
UsingtheNVIDIAOptimusGraphicsfeature...77
Usingaudiofeatures............77
Usinganintegratedcamera.........78
UsingtheThinkLightfeature.........79
Usingtheopticaldrive...........79
Usingthemediacardreader.........79
InsertinganExpressCard,aashmediacard,
orasmartcard.............80
RemovinganExpressCard,aashmediacard
orasmartcard.............80
Chapter3.Youandyourcomputer..83
Accessibilityandcomfort..........83
Ergonomicinformation..........83
Adjustingyourcomputertotyou.....84
Accessibilityinformation.........85
FullScreenMagnierfunction.......85
Travelingwithyourcomputer.........86
Traveltips...............86
Travelaccessories...........86
Chapter4.Security..........89
Attachingamechanicallock.........89
Usingpasswords..............89
©CopyrightLenovo2011
i
Passwordsandsleep(standby)mode....90
Typingpasswords...........90
Power-onpassword...........90
Harddiskpasswords..........91
Supervisorpassword..........93
Harddisksecurity.............95
Settingthesecuritychip...........96
Usingangerprintreader..........97
Noticeondeletingdatafromyourharddiskdrive
orsolidstatedrive.............100
Usingandunderstandingrewalls.......101
Protectingdataagainstviruses........101
Chapter5.Recoveryoverview...103
Creatingandusingrecoverymedia......103
Creatingrecoverymedia.........104
Usingrecoverymedia..........104
Performingbackupandrecoveryoperations...105
Performingabackupoperation......105
Performingarecoveryoperation......105
UsingtheRescueandRecoveryworkspace...106
Creatingandusingarescuemedium......107
Creatingarescuemedium........107
Usingarescuemedium.........107
Reinstallingpreinstalledapplicationsanddevice
drivers..................108
Solvingrecoveryproblems..........109
Chapter6.Replacingdevices...111
Staticelectricityprevention..........111
Replacingthebattery............111
Replacingtheharddiskdrive.........115
Replacingthekeyboard...........119
Replacingmemory.............123
InstallingandreplacingthemSATAsolidstate
drive...................127
InstallingandreplacingaPCIExpressMiniCard
forwirelessLAN/WiMAXconnection......130
InstallingandreplacingthePCIExpressMiniCard
forwirelessWAN..............137
ReplacingtheSIMcard...........142
Replacingthesolidstatedrive........143
Chapter7.Enhancingyour
computer..............149
FindingThinkPadoptions..........149
UsingtheserialUltrabayenhanced......149
Replacingthedevice..........149
Performingahotswap..........150
Performingawarmswap.........151
Insertingtheharddiskdriveintothe
adapter................153
Insertingtheharddiskdriveadapterintothe
bay.................155
ThinkPadPortReplicatorSeries3,ThinkPadMini
DockSeries3,ThinkPadMiniDockPlusSeries3,
andThinkPadMiniDockPlusSeries3(170W)..156
Frontview...............156
Rearview...............159
AttachingaThinkPadPortReplicatorSeries3,
ThinkPadMiniDockSeries3,ThinkPadMini
DockPlusSeries3,orThinkPadMiniDock
PlusSeries3(170W)..........162
DetachingaThinkPadPortReplicatorSeries
3,ThinkPadMiniDockSeries3,ThinkPad
MiniDockPlusSeries3,ortheThinkPadMini
DockPlusSeries3(170W)........164
Securityfeature............166
Usingthesystemlockkey........168
Chapter8.Advanced
conguration............169
Installinganewoperatingsystem.......169
Beforeyoubegin............169
InstallingWindows7..........170
InstallingWindowsVista.........171
InstallingWindowsXP..........172
Installingdevicedrivers...........175
Installingthedriverforthe4-in-1MediaCard
Reader................175
InstallingThinkPadMonitorFileforWindows
2000/XP/Vista/7............175
ThinkPadSetup..............177
Congmenu..............178
Dateandtimemenu...........178
Securitymenu.............178
Startupmenu.............180
Restartmenu.............181
ThinkPadSetupitems..........181
UpdatingyoursystemUEFIBIOS.....193
Usingsystemmanagement..........193
Systemmanagement..........193
Settingmanagementfeatures.......195
Chapter9.Preventingproblems..197
Generaltipsforpreventingproblems......197
Makingsuredevicedriversarecurrent.....198
GettingthelatestdriversfromtheWebsite..198
GettingthelatestdriversusingSystem
Update................198
Takingcareofyourcomputer.........199
Cleaningthecoverofyourcomputer....201
Chapter10.Troubleshooting
computerproblems.........203
iiUserGuide
Diagnosingprograms............203
UsingLenovoThinkVantageToolbox....203
Troubleshooting..............203
Computerstopsresponding.......203
Spillsonthekeyboard..........204
Errormessages............204
Errorswithoutmessages.........207
Beeperrors..............208
Memoryproblems...........208
Modemandnetworking.........208
Keyboardandotherpointingdevices....215
Displayandmultimediadevices......217
Fingerprintreaderproblems........226
Batteryandpower...........227
Drivesandotherstoragedevices.....230
Softwareproblems...........233
Portsandconnectors..........233
UniversalSerialBusproblems.......233
Adockingstationorportreplicator
problem...............233
Chapter11.Gettingsupport....235
BeforeyoucontactLenovo..........235
Registeryourcomputer.........235
Downloadsystemupdates........235
Recordinformation...........235
Gettinghelpandservice...........236
Usingdiagnosticprograms........236
LenovoSupportWebsite.........236
CallingLenovo.............236
Purchasingadditionalservices........241
AppendixA.Regulatory
information.............243
Wirelessrelatedinformation.........243
LocationoftheUltraConnectwireless
antennas...............244
Locatingwirelessregulatorynotices....246
Exportclassicationnotice..........247
Electronicemissionnotices..........247
FederalCommunicationsCommission
DeclarationofConformity........247
IndustryCanadaClassBemissioncompliance
statement...............247
EuropeanUnion-Compliancetothe
ElectromagneticCompatibilityDirective...247
GermanClassBcompliancestatement...248
KoreaClassBcompliancestatement....248
JapaneseVCCIClassBstatement.....249
Japancompliancestatementforproducts
whichconnecttothepowermainswith
ratedcurrentlessthanorequalto20Aper
phase................249
Lenovoproductserviceinformationfor
Taiwan................249
Additionalregulatoryinformation.......249
AppendixB.WEEEandrecycling
statements.............251
EUWEEEstatements............251
Japanrecyclingstatements.........251
AppendixC.Notices........253
Trademarks................254
©CopyrightLenovo2011
iii
ivUserGuide
Readthisrst
Besuretofollowtheimportanttipsgivenheretocontinuetogetthemostuseandenjoymentoutofyour
computer.Failuretodosomightleadtodiscomfortorinjury,orcauseyourcomputertofail.
Whenyourcomputeristurnedonorthebatteryischarging,thebase,the
palmrest,andsomeotherpartsmaybecomehot.Thetemperaturethey
reachdependsontheamountofsystemactivityandthelevelofchargein
thebattery.
Extendedcontactwithyourbody,eventhroughclothing,couldcause
discomfortorevenaskinburn.
Avoidkeepingyourhands,yourlap,oranyotherpartofyourbodyin
contactwithahotsectionofthecomputerforanyextendedtime.
Periodicallytakehandsfromusingthekeyboardbyliftingyourhandsfrom
thepalmrest.
Protectyourselffromtheheatgeneratedbytheacpoweradapter.
Whentheacpoweradapterisconnectedtoanelectricaloutletandyour
computer,itgeneratesheat.
Extendedcontactwithyourbody,eventhroughclothing,maycauseaskin
burn.
Toavoidspillsandthedangerofelectricalshock,keepliquidsawayfrom
yourcomputer.
Neveruseittowarmyourbody.
Preventyourcomputerfromgettingwet.
Toavoidspillsandthedangerofelectricalshock,keepliquidsawayfrom
yourcomputer.
Protectthecablesfrombeingdamaged.
Applyingstrongforcetocablesmaydamageorbreakthem.
Routecommunicationlines,orthecablesofanacpoweradapter,amouse,a
keyboard,aprinter,oranyotherelectronicdevice,sothattheycannotbe
walkedon,trippedover,pinchedbyyourcomputerorotherobjects,orin
anywaysubjectedtotreatmentthatcouldinterferewiththeoperationof
yourcomputer.
©CopyrightLenovo2011
v
Protectyourcomputeranddatawhenmovingit.
Beforemovingacomputerequippedwithaharddiskdrive,dooneofthe
following,andmakesurethatthe“powerswitch”onpage11isofforisblinking:
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
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,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,seetheSafetyandWarrantyGuidecamewithyourcomputer.
Serviceandupgrades
DonotattempttoserviceaproductyourselfunlessinstructedtodosobytheCustomerSupportCenteror
yourdocumentation.OnlyuseaServiceProviderwhoisapprovedtorepairyourparticularproduct.
Note:Somecomputerpartscanbeupgradedorreplacedbythecustomer.Upgradestypicallyare
referredtoasoptions.ReplacementpartsapprovedforcustomerinstallationarereferredtoasCustomer
ReplaceableUnits,orCRUs.Lenovoprovidesdocumentationwithinstructionswhenitisappropriatefor
customerstoinstalloptionsorreplaceCRUs.Youmustcloselyfollowallinstructionswheninstallingor
replacingparts.TheOffstateofapowerindicatordoesnotnecessarilymeanthatvoltagelevelsinsidea
©CopyrightLenovo2011
vii
productarezero.Beforeyouremovethecoversfromaproductequippedwithapowercord,alwaysmake
surethatthepoweristurnedoffandthattheproductisunpluggedfromanypowersource.Ifyouhave
anyquestionsorconcerns,contacttheCustomerSupportCenter.
Althoughtherearenomovingpartsinyourcomputerafterthepowercordhasbeendisconnected,the
followingwarningsarerequiredforyoursafety.
DANGER
Hazardousmovingparts.Keepngersandotherbodypartsaway.
CAUTION:
BeforereplacinganyCRUs,turnoffthecomputerandwaitthreetoveminutestoletthecomputer
coolbeforeopeningthecover.
viiiUserGuide
Powercordsandpoweradapters
DANGER
Useonlythepowercordsandpoweradapterssuppliedbytheproductmanufacturer.
Thepowercordsshallbesafetyapproved.ForGermany,itshallbeH05VV-F,3G,0.75mm
2
,or
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.
DonotuseanypoweradapterthatshowscorrosionattheACinputpinsorshowssignsof
overheating(suchasdeformedplastic)attheACinputoranywhereonthepoweradapter.
Donotuseanypowercordswheretheelectricalcontactsoneitherendshowsignsofcorrosionor
overheatingorwherethepowercordappearstohavebeendamagedinanyway.
Extensioncordsandrelateddevices
Ensurethatextensioncords,surgeprotectors,uninterruptiblepowersupplies,andpowerstripsthatyouuse
areratedtohandletheelectricalrequirementsoftheproduct.Neveroverloadthesedevices.Ifpowerstrips
areused,theloadshouldnotexceedthepowerstripinputrating.Consultanelectricianformoreinformation
ifyouhavequestionsaboutpowerloads,powerrequirements,andinputratings.
©CopyrightLenovo2011
ix
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.
Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislabel
attached.Therearenoserviceablepartsinsidethesecomponents.Ifyoususpectaproblemwith
oneoftheseparts,contactaservicetechnician.
Externaldevices
CAUTION:
DonotconnectordisconnectanyexternaldevicecablesotherthanUniversalSerialBus(USB)and
1394cableswhilethecomputerpowerison;otherwise,youmightdamageyourcomputer.Toavoid
possibledamagetoattacheddevices,waitatleastvesecondsafterthecomputerisshutdownto
disconnectexternaldevices.
xUserGuide
Batteries
DANGER
PersonalcomputersmanufacturedbyLenovocontainacoincellbatterytoprovidepowerto
thesystemclock.Inaddition,manymobileproducts,suchasnotebookcomputers,utilizea
rechargeablebatterypacktoprovidesystempowerwheninportablemode.Batteriessuppliedby
Lenovoforusewithyourproducthavebeentestedforcompatibilityandshouldonlybereplaced
withapprovedparts.
Neverattempttoopenorserviceanybattery.Donotcrush,puncture,orincineratebatteriesor
shortcircuitthemetalcontacts.Donotexposethebatterytowaterorotherliquids.Onlyrecharge
thebatterypackstrictlyaccordingtoinstructionsincludedintheproductdocumentation.
Batteryabuseormishandlingcancausethebatterytooverheat,whichcancausegassesorame
to“vent”fromthebatterypackorcoincell.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.T oavoidpossibleinjury:
ReplaceonlywithabatteryofthetyperecommendedbyLenovo.
Keepthebatterypackawayfromre.
Donotexposeittowaterorrain.
Donotattempttodisassembleit.
Donotshort-circuitit.
Keepitawayfromchildren.
Donotdropthebatterypack.
Donotputthebatterypackintrashthatisdisposedofinlandlls.Whendisposingofthebattery,
complywithlocalordinancesorregulations.
Thebatterypackshouldbestoredatroomtemperature,chargedtoapproximately30to50%
ofcapacity.Werecommendthatbatterypackbechargedaboutonceperyeartoprevent
overdischarge.
©CopyrightLenovo2011
xi
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.
xiiUserGuide
Heatandproductventilation
DANGER
Computers,acpoweradapters,andmanyaccessoriescangenerateheatwhenturnedonandwhen
batteriesarecharging.Notebookcomputerscangenerateasignicantamountofheatduetotheir
compactsize.Alwaysfollowthesebasicprecautions:
Whenyourcomputeristurnedonorthebatteryischarging,thebase,thepalmrest,andsome
otherpartsmaybecomehot.Avoidkeepingyourhands,yourlap,oranyotherpartofyour
bodyincontactwithahotsectionofthecomputerforanyextendedlengthoftime.Whenyou
usethekeyboard,avoidkeepingyourpalmsonthepalmrestforaprolongedperiodoftime.
Yourcomputergeneratessomeheatduringnormaloperation.Theamountofheatdependson
theamountofsystemactivityandthebatterychargelevel.Extendedcontactwithyourbody,
eventhroughclothing,couldcausediscomfortorevenaskinburn.Periodicallytakebreaks
fromusingthekeyboardbyliftingyourhandsfromthepalmrest;andbecarefulnottouse
thekeyboardforanyextendedlengthoftime.
Donotoperateyourcomputerorchargethebatterynearammablematerialsorinexplosive
environments.
Ventilationslots,fansand/orheatsinksareprovidedwiththeproductforsafety,comfort,and
reliableoperation.Thesefeaturesmightinadvertentlybecomeblockedbyplacingtheproducton
abed,sofa,carpet,orotherexiblesurface.Neverblock,cover,ordisablethesefeatures.
Whentheacpoweradapterisconnectedtoanelectricaloutletandyourcomputer,itgenerates
heat.Donotplacetheadapterincontactwithanypartofyourbodywhileusingit.Neverusethe
acpoweradaptertowarmyourbody.Extendedcontactwithyourbody,eventhroughclothing,
maycauseaskinburn.
Foryoursafety,alwaysfollowthesebasicprecautionswithyourcomputer:
Keepthecoverclosedwheneverthecomputerispluggedin.
Regularlyinspecttheoutsideofthecomputerfordustaccumulation.
Removedustfromventsandanyperforationsinthebezel.Morefrequentcleaningsmightbe
requiredforcomputersindustyorhigh-trafcareas.
Donotrestrictorblockanyventilationopenings.
Donotoperateyourcomputerinsidefurniture,asthismightincreasetheriskofoverheating.
Airowtemperaturesintothecomputershouldnotexceed35°C(95°F).
©CopyrightLenovo2011
xiii
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.
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.
xivUserGuide
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.
Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespeciedherein
mightresultinhazardousradiationexposure.
DANGER
SomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing.
Laserradiationwhenopen.Donotstareintothebeam,donotviewdirectlywithoptical
instruments,andavoiddirectexposuretothebeam.
Liquidcrystaldisplay(LCD)notice
CAUTION:
Forproductswithmercury-containinguorescentlamps(i.e.,non-LED)
Theuorescentlampintheliquidcrystaldisplaycontainsmercury;disposeaccordingtolocal,
state,orfederallaws.
TheLCDismadeofglass,androughhandlingordroppingthecomputercancausetheLCDto
break.IftheLCDbreaksandtheinternaluidgetsintoyoureyesoronyourhands,immediately
©CopyrightLenovo2011
xv
washtheaffectedareaswithwaterforatleast15minutes;ifanysymptomsarepresentafter
washing,getmedicalcare.
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:
DANGER
Donotconnectphonelinewhileusingtabletmode.
NoticeforusersintheU.S.A.
ManyPCproductsandaccessoriescontaincords,cablesorwires,suchaspowercordsorcordstoconnect
theaccessorytoaPC.Ifthisproducthassuchacord,cableorwire,thenthefollowingwarningapplies:
WARNING
Handlingthecordonthisproductorcordsassociatedwithaccessoriessoldwiththisproductwillexpose
youtolead,achemicalknowntotheStateofCaliforniatocausecancer,andbirthdefectsorother
reproductiveharm.Washhandsafterhandling.
Savetheseinstructions.
xviUserGuide
Chapter1.ProductOverview
Thischapterprovidesinformationaboutthelocationsofconnectors,locatingimportantproductinformation,
computerfeatures,specications,operatingenvironment,andpreinstalledsoftwareprograms.
Thischaptercontainsthefollowingtopics:
“Locatingcomputercontrols,connectors,andindicators”onpage1
“Locatingimportantproductinformation”onpage13
“Features”onpage16
“Specications”onpage17
“Operatingenvironment”onpage18
“ThinkVantageTechnologiesandsoftware”onpage18
Locatingcomputercontrols,connectors,andindicators
Thissectionintroducesyoutothehardwarefeaturesofyourcomputer,andthengivesyouthebasic
informationyou'llneedtostarttakingadvantageofitsfunctions.
“Frontview”onpage2
“Right-sideview”onpage5
“Left-sideview”onpage7
“Rearview”onpage10
“Bottomview”onpage8
“Statusindicators”onpage11
©CopyrightLenovo2011
1
Frontview
Figure1.ThinkPadT420/T420ifrontview
1 Computerdisplay
2 Powerswitch
3 Fingerprintreader 4 TrackPointbuttons
5 TrackPointpointingstick 6 ThinkVantagebutton
7 Systemandpower-statusindicators 8 UltraConnectwirelessantennas(left)
9 Built-inmicrophone(left)
10 Integratedcamera
11 ThinkLight
12 Built-inmicrophone(right)
13 UltraConnectwirelessantennas(right) 14 Built-instereospeaker(left)
15 ForwardandBackkeys 16 Bluetoothantenna
17 Touchpad 18 Touchpadbuttons
19 Fnkey
20 CapsLockkeyindicator
21 Built-instereospeaker(left)
22 Volumecontrolbuttons
1 Computerdisplay
Thehigh-resolution,thin-lmtransistor(TFT)displayprovidesclearandbrillianttextandgraphics.
Fordetails,refertotheinstructionsin“Changingdisplaysettings”onpage69.
2 Powerswitch
Usethepowerswitchtoturnonthecomputer.Toturnoffyourcomputer,usetheStartmenushutdown
options.
Ifyoucannotturnoffthecomputerbythismethod,pressandholdthepowerswitchfor2seconds.
2UserGuide
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Lenovo ThinkPad T420 User manual

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