Lenovo 41786UU User manual

Category
Notebooks
Type
User manual
UserGuide
ThinkPadT420andT420i
Notes:Beforeusingthisinformationandtheproductitsupports,besuretoreadthefollowing:
SafetyandWarrantyGuide
RegulatoryNotice
“Importantsafetyinformation”onpagevi
AppendixC“Notices”onpage249
TheSafetyandWarrantyGuideandtheRegulatoryNoticehavebeenuploadedontheWebsite.Toreferto
them,gotohttp://www.lenovo.com/support,andthenclickUserguides&manuals.
SecondEdition(October2011)
©CopyrightLenovo2011.
LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuantaGeneralServicesAdministration
“GSAcontract,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..............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
LenovoSolutionCenter.........22
LenovoThinkVantageTools........22
LenovoThinkVantageToolbox.......22
MessageCenterPlus..........22
PasswordManager...........23
PowerManager............23
PresentationDirector..........23
ProductRecovery...........23
RescueandRecovery..........23
SimpleTap..............24
SystemUpdate............24
ThinkVantageGPS...........24
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
Powermanagement............38
Checkingbatterystatus.........38
Usingtheacpoweradapter........38
Chargingthebattery..........39
Maximizingbatterylife..........39
Managingyourbatterypower.......39
Power-savingmodes..........39
Handlingthebattery...........41
Connectingtothenetwork..........42
Ethernetconnections..........42
Wirelessconnections..........43
Usingthebuilt-inmodem.........50
Usingaprojectororexternaldisplay......69
Changingdisplaysettings........69
Connectingaprojectororexternaldisplay..70
Settingupapresentation.........74
Usingdualdisplays...........75
UsingtheNVIDIAOptimusGraphicsfeature...76
Usingaudiofeatures............77
Usinganintegratedcamera.........78
UsingtheThinkLightfeature.........78
Usingtheopticaldrive...........79
Usingthemediacardreader.........79
InsertinganExpressCard,aashmediacard,
orasmartcard.............79
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
©CopyrightLenovo2011
i
Chapter4.Security..........89
Attachingamechanicallock.........89
Usingpasswords..............89
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.......100
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..............177
Dateandtimemenu...........178
Securitymenu.............178
Startupmenu.............179
Restartmenu.............181
ThinkPadSetupitems..........181
UpdatingyoursystemUEFIBIOS.....191
Usingsystemmanagement..........192
Systemmanagement..........192
Settingmanagementfeatures.......193
Chapter9.Preventingproblems..195
Generaltipsforpreventingproblems......195
Makingsuredevicedriversarecurrent.....196
GettingthelatestdriversfromtheWebsite..196
GettingthelatestdriversusingSystem
Update................196
Takingcareofyourcomputer.........196
Cleaningthecoverofyourcomputer....199
iiUserGuide
Chapter10.Troubleshooting
computerproblems.........201
Diagnosingproblems............201
Troubleshooting..............202
Computerstopsresponding.......202
Spillsonthekeyboard..........203
Errormessages............203
Errorswithoutmessages.........205
Beeperrors..............206
Memoryproblems...........207
Modemandnetworking.........207
Keyboardandotherpointingdevices....214
Displayandmultimediadevices......215
Fingerprintreaderproblems........225
Batteryandpower...........225
Drivesandotherstoragedevices.....229
Softwareproblems...........231
Portsandconnectors..........231
UniversalSerialBusproblems.......232
Adockingstationorportreplicator
problem...............232
Chapter11.Gettingsupport....233
BeforeyoucontactLenovo..........233
Registeryourcomputer.........233
Downloadsystemupdates........233
Recordinformation...........233
Gettinghelpandservice...........234
Usingdiagnosticprograms........234
LenovoSupportWebsite.........234
CallingLenovo.............234
Purchasingadditionalservices........235
AppendixA.Regulatory
information.............237
Wirelessrelatedinformation.........237
LocationoftheUltraConnectwireless
antennas...............238
Locatingwirelessregulatorynotices....240
Exportclassicationnotice..........241
Electronicemissionnotices..........241
FederalCommunicationsCommission
DeclarationofConformity........241
IndustryCanadaClassBemissioncompliance
statement...............241
EuropeanUnion-Compliancetothe
ElectromagneticCompatibilityDirective...241
GermanClassBcompliancestatement...242
KoreaClassBcompliancestatement....242
JapaneseVCCIClassBstatement.....243
Japancompliancestatementforproducts
whichconnecttothepowermainswith
ratedcurrentlessthanorequalto20Aper
phase................243
Lenovoproductserviceinformationfor
Taiwan................243
Additionalregulatoryinformation.......243
AppendixB.WEEEandrecycling
statements.............245
ImportantWEEEInformation.........245
BatteryrecyclinginformationforJapan.....245
BatteryrecyclinginformationforBrazil.....246
BatteryrecyclinginformationforTaiwan.....246
BatteryrecyclinginformationforEuropean
Union..................247
BatteryrecyclinginformationforUnitedStatesand
Canada.................247
AppendixC.Notices.........249
Trademarks................250
AppendixD.RestrictionofHazardous
SubstancesDirective(RoHS)....251
ChinaRoHS................251
TurkishRoHS...............251
UkraineRoHS...............251
IndiaRoHS................252
©CopyrightLenovo2011
iii
ivUserGuide
Readthisrst
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.
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,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
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.
CAUTION:
Hazardousmovingparts.Keepngersandotherbodypartsaway.
CAUTION:
BeforereplacinganyCRUs,turnoffthecomputerandwaitthreetoveminutestoletthecomputer
coolbeforeopeningthecover.
Powercordsandpoweradapters
DANGER
Useonlythepowercordsandpoweradapterssuppliedbytheproductmanufacturer.
Thepowercordsshallbesafetyapproved.ForGermany,itshallbeH05VV-F,3G,0.75mm
2
,or
better.Forothercountries,thesuitabletypesshallbeusedaccordingly.
Neverwrapapowercordaroundapoweradapterorotherobject.Doingsocanstressthecordin
waysthatcancausethecordtofray,crack,orcrimp.Thiscanpresentasafetyhazard.
Alwaysroutepowercordssothattheywillnotbewalkedon,trippedover,orpinchedbyobjects.
Protectpowercordandpoweradaptersfromliquids.Forinstance,donotleaveyourpowercordor
poweradapternearsinks,tubs,toilets,oronoorsthatarecleanedwithliquidcleansers.Liquids
cancauseashortcircuit,particularlyifthepowercordorpoweradapterhasbeenstressedby
misuse.Liquidsalsocancausegradualcorrosionofpowercordterminalsand/ortheconnector
terminalsonapoweradapter,whichcaneventuallyresultinoverheating.
Alwaysconnectpowercordsandsignalcablesinthecorrectorderandensurethatallpowercord
connectorsaresecurelyandcompletelypluggedintoreceptacles.
DonotuseanypoweradapterthatshowscorrosionattheACinputpinsorshowssignsof
overheating(suchasdeformedplastic)attheACinputoranywhereonthepoweradapter.
Donotuseanypowercordswheretheelectricalcontactsoneitherendshowsignsofcorrosionor
overheatingorwherethepowercordappearstohavebeendamagedinanyway.
viiiUserGuide
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.
Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislabel
attached.Therearenoserviceablepartsinsidethesecomponents.Ifyoususpectaproblemwith
oneoftheseparts,contactaservicetechnician.
©CopyrightLenovo2011
ix
Externaldevices
CAUTION:
DonotconnectordisconnectanyexternaldevicecablesotherthanUniversalSerialBus(USB)and
1394cableswhilethecomputerpowerison;otherwise,youmightdamageyourcomputer.Toavoid
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.
Keepthebatterypackawayfromre.
Donotexposeittowaterorrain.
Donotattempttodisassembleit.
Donotshort-circuitit.
xUserGuide
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.See
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
usethekeyboard,avoidkeepingyourpalmsonthepalmrestforaprolongedperiodoftime.
Yourcomputergeneratessomeheatduringnormaloperation.Theamountofheatdependson
theamountofsystemactivityandthebatterychargelevel.Extendedcontactwithyourbody,
eventhroughclothing,couldcausediscomfortorevenaskinburn.Periodicallytakebreaks
©CopyrightLenovo2011
xi
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.
©CopyrightLenovo2011
xiii
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
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:
xivUserGuide
DANGER
Donotconnectphonelinewhileusingtabletmode.
NoticeforusersintheU.S.A.
ManyPCproductsandaccessoriescontaincords,cablesorwires,suchaspowercordsorcordstoconnect
theaccessorytoaPC.Ifthisproducthassuchacord,cableorwire,thenthefollowingwarningapplies:
WARNING
Handlingthecordonthisproductorcordsassociatedwithaccessoriessoldwiththisproductwillexpose
youtolead,achemicalknowntotheStateofCaliforniatocausecancer,andbirthdefectsorother
reproductiveharm.Washhandsafterhandling.
Savetheseinstructions.
©CopyrightLenovo2011
xv
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
1Computerdisplay
2Powerswitch
3Fingerprintreader4TrackPointbuttons
5TrackPointpointingstick6ThinkVantagebutton
7Systemandpower-statusindicators8UltraConnectwirelessantennas(left)
9Built-inmicrophone(left)
10Integratedcamera
11ThinkLight
12Built-inmicrophone(right)
13UltraConnectwirelessantennas(right)14Built-instereospeaker(left)
15ForwardandBackkeys16Bluetoothantenna
17Touchpad18Touchpadbuttons
19Fnkey
20CapsLockkeyindicator
21Built-instereospeaker(left)
22Volumecontrolbuttons
1Computerdisplay
Thehigh-resolution,thin-lmtransistor(TFT)displayprovidesclearandbrillianttextandgraphics.
Fordetails,refertotheinstructionsin“Changingdisplaysettings”onpage69.
2Powerswitch
Usethepowerswitchtoturnonthecomputer.Toturnoffyourcomputer,usetheStartmenushutdown
options.
Ifyoucannotturnoffthecomputerbythismethod,pressandholdthepowerswitchfor2seconds.
2UserGuide
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Lenovo 41786UU User manual

Category
Notebooks
Type
User manual

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