Lenovo Yoga 370 User manual

Yoga370UserGuide

Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadandunderstandthefollowing:
•Safety,Warranty,andSetupGuide
•“Importantsafetinformation”onpagev
ThelatestSafety,Warranty,andSetupGuideandtheRegulatoryNoticeareavailableontheLenovoSupport
Websiteat:
http://www.lenovo.com/support
FirstEdition(February2017)
©CopyrightLenovo2017.
LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuanttoaGeneralServices
Administration“GSA”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.
GS-35F-05925.

Contents
Importantsaetyinormation......v
Readthisfirst................v
Importantinformationaboutusingourcomputer..v
Conditionsthatrequireimmediateaction....vii
Serviceandupgrades............vii
Powercordsandpoweradapters.......viii
Extensioncordsandrelateddevices.......ix
Plugsandoutlets...............ix
Powersupplstatement............ix
Externaldevices...............x
Generalbatternotice.............x
Noticeforbuilt-inrechargeablebatter......xi
Noticefornon-rechargeablecoin-cellbatter...xi
Heatandproductventilation..........xi
Electricalcurrentsafetinformation......xii
Liquidcrstaldispla(LCD)notice.......xiii
Usingheadphonesorearphones.......xiii
Plasticbagnotice.............xiv
Glasspartsnotice.............xiv
Chokinghazardnotice...........xiv
Chapter1.Productoverview......1
Computercontrols,connectors,andindicators...1
Frontviewandsideviews.........1
Bottomviewandrearview.........5
Statusindicators.............6
Importantproductinformationlabels.......8
Machinetpeandmodellabel........8
FCCIDandICCertificationnumber.....8
LabelsfortheWindowsoperatingsstems..10
Computerfeatures.............10
Computerspecifications...........11
Operatingenvironment...........12
Lenovoprograms.............12
AccessingLenovoprograms.......12
AnintroductiontoLenovoprograms....13
Chapter2.Usingyourcomputer...15
Registeringourcomputer..........15
Frequentlaskedquestions.........15
ThinkPadPenPro.............16
Operatingmodes..............18
Usingthemulti-touchscreen.........19
Usingthespecialkes...........21
UsingtheThinkPadpointingdevice......23
ThinkPadpointingdeviceoverview.....23
UsingtheTrackPointpointingdevice....23
Usingthetrackpad...........24
Usingthetrackpadtouchgestures.....25
CustomizingtheThinkPadpointingdevice..26
Replacingthecaponthepointingstick...26
Powermanagement............27
Usingtheacpoweradapter........27
Usingthebatter............27
Managingthebatterpower.......28
Power-savingmodes..........29
CabledEthernetconnections.........29
Wirelessconnections............30
Usingthewireless-LANconnection.....30
Usingthewireless-WANconnection....31
UsingtheBluetoothconnection......31
UsingtheNFCdevices.........32
UsingtheAirplanemode.........33
Usingthecamera.............33
Usinganexternaldispla..........34
Usingasmartcard.............35
Travelingwithourcomputer.........36
Chapter3.Enhancingyour
computer...............39
FindingThinkPadoptions..........39
ThinkPadWiGigDock............39
ThinkPadWiGigDockoverview......39
SettinguptheThinkPadWiGigDock....41
UsingtheThinkPadWiGigDock......42
Chapter4.Accessibility,ergonomic,
andmaintenanceinormation....45
Accessibilitinformation...........45
Ergonomicinformation...........47
Cleaningandmaintenance..........48
Chapter5.Security..........51
Usingpasswords..............51
Passwordsintroduction.........51
Setting,changing,orremovingapassword.52
M.2solid-statedrivesecurit.........52
Settingthesecuritchip...........53
Usingthefingerprintreader..........54
Deletingdatafromourstoragedrive......56
Usingfirewalls...............56
Protectingdataagainstviruses........57
©CoprightLenovo2017i

Chapter6.Advancedconfiguration..59
InstallingtheWindows10operatingsstem...59
Installingdevicedrivers...........59
UsingtheThinkPadSetupprogram......60
ConfiguringThinkPadSetup.......60
Changingthestartupsequence......61
UpdatingtheUEFIBIOS.........61
BIOSmenu..............62
Usingsstemmanagement..........72
Chapter7.Troubleshootingcomputer
problems...............75
Generaltipsforpreventingproblems......75
DiagnosingproblemswithLenovoCompanion..75
Troubleshooting..............76
Computerstopsresponding.......76
Spillsonthekeboard..........76
Errormessages............77
Beeperrors..............78
Memormoduleproblems........79
Ethernetproblems...........80
Wireless-LANproblem..........81
Awireless-WANproblem.........81
Bluetoothproblem...........81
ThinkPadpointingdeviceproblems.....81
Keboardproblems...........82
Computerscreenproblems........82
Externalmonitorproblems........84
Audioproblems............85
Fingerprintreaderproblems........86
Batterproblems............86
Poweradapterproblem.........87
Powerproblems............87
Powerbuttonproblem..........87
Bootproblems.............88
Sleepandhibernationproblems......88
ThinkPadPenProproblem........89
Softwareproblem............89
USBproblem.............89
Chapter8.Recoveryinormation...91
Resettingourcomputer...........91
Usingadvancedstartupoptions........91
RecoveringouroperatingsstemifWindows10
failstostart................91
CreatingandusingarecoverUSBdrive....91
Chapter9.Replacingdevices.....93
Staticelectricitprevention..........93
Disablingthebuilt-inbatter.........93
ReplacingthemicroSIMcard.........94
Replacingthebasecoverassembl......94
Replacingthewireless-WANcard.......95
ReplacingtheM.2solid-statedrive......97
Replacingthememormodule(formodelswitha
replaceablememormodule).........99
Replacingthecoin-cellbatter........101
Chapter10.Gettingsupport....103
BeforeoucontactLenovo..........103
Gettinghelpandservice...........103
Usingdiagnosticprograms........104
LenovoSupportWebsite.........104
CallingLenovo.............104
Purchasingadditionalservices........105
AppendixA.Supplemental
inormationabouttheUbuntu
operatingsystem..........107
AppendixB.Regulatory
inormation.............109
Certification-relatedinformation........109
Wireless-relatedinformation.........109
Wirelessinteroperabilit.........109
Usageenvironmentandourhealth....109
LocatingtheUltraConnectwireless
antennas...............110
Wireless-radiocomplianceinformation...111
Locatingwirelessregulatornotices....111
Exportclassificationnotice..........111
Electronicemissionnotices..........111
FederalCommunicationsCommission
DeclarationofConformit........111
IndustrCanadaClassBemissioncompliance
statement...............112
EuropeanUnion-Compliancetothe
ElectromagneticCompatibilit(EMC)Directive
orRadioEquipmentDirective.......112
GermanClassBcompliancestatement...112
KoreaClassBcompliancestatement....113
JapanVCCIClassBcompliancestatement..113
Japancompliancestatementforproducts
whichconnecttothepowermainswith
ratedcurrentlessthanorequalto20Aper
phase................113
Japannoticeforacpowercord......113
Lenovoproductserviceinformationfor
Taiwan................114
Eurasiancompliancemark..........114
Brazilaudionotice.............114
AppendixC.WEEEandrecycling
statements.............115
iiYoga370UserGuide

Generalrecclinginformation.........115
ImportantWEEEinformation.........115
Japanrecclingstatements.........116
RecclinginformationforBrazil........116
BatterrecclinginformationfortheEuropean
Union..................117
BatterrecclinginformationforTaiwan.....118
BatterrecclinginformationfortheUnitedStates
andCanada................118
RecclinginformationforChina........118
AppendixD.RestrictionoHazardous
Substances(RoHS)Directive....119
AppendixE.ENERGYSTARmodel
inormation.............123
AppendixF.Notices.........125
AppendixG.Trademarks......127
©CoprightLenovo2017iii

ivYoga370UserGuide

Importantsaetyinormation
Note:Readtheimportantsafetinformationfirst.
Readthisfirst
Thisinformationcanhelpousafeluseournotebookcomputer.Followandretainallinformationincluded
withourcomputer.Theinformationinthisdocumentdoesnotalterthetermsofourpurchaseagreement
ortheLimitedWarrant.Formoreinformation,see"WarrantInformation"intheSafety,Warranty,andSetup
Guidethatcomeswithourcomputer.
Customersafetisimportant.Ourproductsaredevelopedtobesafeandeffective.However,personal
computersareelectronicdevices.Powercords,poweradapters,andotherfeaturescancreatepotential
safetrisksthatcanresultinphsicalinjurorpropertdamage,especiallifmisused.Toreducethese
risks,followtheinstructionsincludedwithourproduct,observeallwarningsontheproductandinthe
operatinginstructions,andreviewtheinformationincludedinthisdocumentcarefull.Bcarefullfollowing
theinformationcontainedinthisdocumentandprovidedwithourproduct,oucanhelpprotectourself
fromhazardsandcreateasafercomputerworkenvironment.
Note:Thisinformationincludesreferencestopoweradaptersandbatteries.Inadditiontonotebook
computers,someproducts(suchasspeakersandmonitors)shipwithexternalpoweradapters.Ifouhave
suchaproduct,thisinformationappliestoourproduct.Inaddition,computerproductscontainacoin-sized
internalbatterthatprovidespowertothesstemclockevenwhenthecomputerisunplugged,sothe
battersafetinformationappliestoallcomputerproducts.
Importantinormationaboutusingyourcomputer
Ensurethatoufollowtheimportanttipsgivenheretogetthemostuseandenjomentoutofourcomputer.
Failuretodosomightleadtodiscomfortorinjur,orcausethecomputertofail.
Protectyourselromtheheatthatyourcomputergenerates.
Whenourcomputeristurnedonorthebatterischarging,thebase,thepalm
rest,andsomeotherpartsmabecomehot.Thetemperaturethereach
dependsontheamountofsstemactivitandthelevelofchargeinthebatter.
Extendedcontactwithourbod,eventhroughclothing,couldcause
discomfortorevenaskinburn.
•Avoidkeepingourhands,ourlap,oranotherpartofourbodin
contactwithahotsectionofthecomputerforanextendedtime.
•Periodicalltakehandsfromusingthekeboardbliftingourhandsfrom
thepalmrest.
Protectyourselromtheheatgeneratedbytheacpoweradapter.
Whentheacpoweradapterisconnectedtoanelectricaloutletandour
computer,itgeneratesheat.
Extendedcontactwithourbod,eventhroughclothing,macauseaskin
burn.
•Donotplacetheacpoweradapterincontactwithanpartofourbod
whileitisinuse.
•Neveruseittowarmourbod.
©CoprightLenovo2017v

Preventyourcomputerromgettingwet.
Toavoidspillsandthedangerofelectricalshock,keepliquidsawafromour
computer.
Protectthecablesrombeingdamaged.
Applingstrongforcetocablesmadamageorbreakthem.
Routecommunicationlines,orthecablesofanacpoweradapter,amouse,a
keboard,aprinter,oranotherelectronicdevice,sothatthecannotbewalked
on,trippedover,pinchedbourcomputerorotherobjects,orinanwa
subjecttotreatmentthatcouldinterferewiththeoperationofourcomputer.
Protectyourcomputeranddatawhenmovingit.
Beforemovingacomputerequippedwithaharddiskdrive,dooneofthe
following:
•Turnitoff.
•Putitinsleepmode.
•Putitinhibernationmode.
Thishelpstopreventdamagetothecomputer,andpossiblelossofdata.
Handleyourcomputergently.
Donotdrop,bump,scratch,twist,hit,vibrate,push,orplaceheavobjectson
ourcomputer,displa,orexternaldevices.
Carryyourcomputercareully.
•Useaqualitcarringcasethatprovidesadequatecushioningandprotection.
•Donotpackourcomputerinatightlpackedsuitcaseorbag.
•Beforeputtingourcomputerinacarringcase,makesurethatitisoff,insleep
mode,orinhibernationmode.Donotputacomputerinacarringcasewhileit
isturnedon.
viYoga370UserGuide

Conditionsthatrequireimmediateaction
Productscanbecomedamagedduetomisuseorneglect.Someproductdamageisseriousenough
thattheproductshouldnotbeusedagainuntilithasbeeninspectedand,inecessary,repairedby
anauthorizedservicer.
Aswithanyelectronicdevice,paycloseattentiontotheproductwhenitisturnedon.Onveryrare
occasions,youmightnoticeanodororseeapuosmokeorsparksventromyourproduct.Oryou
mighthearsoundslikepopping,cracking,orhissing.Theseconditionsmightmerelymeanthatan
internalelectroniccomponenthasailedinasaeandcontrolledmanner.Or,theymightindicate
apotentialsaetyissue.However,donottakerisksorattempttodiagnosethesituationyoursel.
ContacttheCustomerSupportCenterorurtherguidance.ForalistoServiceandSupportphone
numbers,seetheollowingWebsite:
http://www.lenovo.com/support/phone
Frequentlyinspectyourcomputeranditscomponentsordamageorwearorsignsodanger.
Iyouhaveanyquestionabouttheconditionoacomponent,donotusetheproduct.Contact
theCustomerSupportCenterortheproductmanuacturerorinstructionsonhowtoinspectthe
productandhaveitrepaired,inecessary.
Intheunlikelyeventthatyounoticeanyotheollowingconditions,oriyouhaveanysaety
concernswithyourproduct,stopusingtheproductandunplugitromthepowersourceand
telecommunicationlinesuntilyoucanspeaktotheCustomerSupportCenterorurtherguidance.
•Powercords,plugs,poweradapters,extensioncords,surgeprotectors,orpowersuppliesthatare
cracked,broken,ordamaged.
•Signsofoverheating,smoke,sparks,orfire.
•Damagetoabatter(suchascracks,dents,orcreases),dischargefromabatter,orabuildupofforeign
substancesonthebatter.
•Acracking,hissing,orpoppingsound,orstrongodorthatcomesfromtheproduct.
•Signsthatliquidhasbeenspilledoranobjecthasfallenontothecomputerproduct,thepowercord,or
poweradapter.
•Thecomputerproduct,powercord,orpoweradapterhasbeenexposedtowater.
•Theproducthasbeendroppedordamagedinanwa.
•Theproductdoesnotoperatenormallwhenoufollowtheoperatinginstructions.
Note:Ifounoticetheseconditionswithaproduct(suchasanextensioncord)thatisnotmanufactured
fororbLenovo®,stopusingthatproductuntiloucancontacttheproductmanufacturerforfurther
instructions,oruntilougetasuitablereplacement.
Serviceandupgrades
DonotattempttoserviceaproductourselfunlessinstructedtodosobtheCustomerSupportCenteror
ourdocumentation.OnluseaServiceProviderwhoisapprovedtorepairourparticularproduct.
Note:Somecomputerpartscanbeupgradedorreplacedbthecustomer.Upgradestpicallare
referredtoasoptions.ReplacementpartsapprovedforcustomerinstallationarereferredtoasCustomer
ReplaceableUnits,orCRUs.Lenovoprovidesdocumentationwithinstructionswhenitisappropriatefor
customerstoinstalloptionsorreplaceCRUs.Youmustcloselfollowallinstructionswheninstallingor
replacingparts.TheOffstateofapowerindicatordoesnotnecessarilmeanthatvoltagelevelsinsidea
productarezero.Beforeouremovethecoversfromaproductequippedwithapowercord,alwasmake
©CoprightLenovo2017vii

surethatthepoweristurnedoffandthattheproductisunpluggedfromanpowersource.Ifouhave
anquestionsorconcerns,contacttheCustomerSupportCenter.
Althoughtherearenomovingpartsinourcomputerafterthepowercordhasbeendisconnected,the
followingwarningsarerequiredforoursafet.
CAUTION:
Hazardousmovingparts.Keepfingersandotherbodypartsaway.
CAUTION:
Beoreyouopenthecomputercover,turnothecomputerandwaitseveralminutesuntilthe
computeriscool.
Powercordsandpoweradapters
DANGER
Useonlythepowercordsandpoweradapterssuppliedbytheproductmanuacturer.
Thepowercordsshallbesaetyapproved.ForGermany,itshallbeH03VV-F,3G,0.75mm2,or
better.Forothercountries,thesuitabletypesshallbeusedaccordingly.
Neverwrapapowercordaroundapoweradapterorotherobject.Doingsocanstressthecordin
waysthatcancausethecordtoray,crack,orcrimp.Thiscanpresentasaetyhazard.
Alwaysroutepowercordssothattheywillnotbewalkedon,trippedover,orpinchedbyobjects.
Protectpowercordsandpoweradaptersromliquids.Forinstance,donotleaveyourpowercord
orpoweradapternearsinks,tubs,toilets,oronfloorsthatarecleanedwithliquidcleansers.
Liquidscancauseashortcircuit,particularlyithepowercordorpoweradapterhasbeenstressed
bymisuse.Liquidsalsocancausegradualcorrosionopowercordterminalsand/ortheconnector
terminalsonapoweradapter,whichcaneventuallyresultinoverheating.
Ensurethatallpowercordconnectorsaresecurelyandcompletelypluggedintoreceptacles.
Donotuseanypoweradapterthatshowscorrosionattheacinputpinsorshowssignso
overheating(suchasdeormedplastic)attheacinputpinsoranywhereonthepoweradapter.
Donotuseanypowercordswheretheelectricalcontactsoneitherendshowsignsocorrosionor
overheatingorwherethepowercordappearstohavebeendamagedinanyway.
viiiYoga370UserGuide

Topreventpossibleoverheating,donotcoverthepoweradapterwithclothingorotherobjects
whenthepoweradapterispluggedintoanelectricaloutlet.
Extensioncordsandrelateddevices
Ensurethatextensioncords,surgeprotectors,uninterruptiblepowersupplies,andpowerstripsthatouuse
areratedtohandletheelectricalrequirementsoftheproduct.Neveroverloadthesedevices.Ifpowerstrips
areused,theloadshouldnotexceedthepowerstripinputrating.Consultanelectricianformoreinformation
ifouhavequestionsaboutpowerloads,powerrequirements,andinputratings.
Plugsandoutlets
DANGER
Iareceptacle(poweroutlet)thatyouintendtousewithyourcomputerequipmentappearstobe
damagedorcorroded,donotusetheoutletuntilitisreplacedbyaqualifiedelectrician.
Donotbendormodiytheplug.Itheplugisdamaged,contactthemanuacturertoobtain
areplacement.
Donotshareanelectricaloutletwithotherhomeorcommercialappliancesthatdrawlargeamounts
oelectricity;otherwise,unstablevoltagemightdamageyourcomputer,data,orattacheddevices.
Someproductsareequippedwithathree-prongedplug.Thisplugfitsonlyintoagrounded
electricaloutlet.Thisisasaetyeature.Donotdeeatthissaetyeaturebytryingtoinsertitinto
anon-groundedoutlet.Iyoucannotinserttheplugintotheoutlet,contactanelectricianoran
approvedoutletadapterortoreplacetheoutletwithonethatenablesthissaetyeature.Never
overloadanelectricaloutlet.Theoverallsystemloadshouldnotexceed80percentothebranch
circuitrating.Consultanelectricianormoreinormationiyouhavequestionsaboutpowerloads
andbranchcircuitratings.
Besurethatthepoweroutletyouareusingisproperlywired,easilyaccessible,andlocatedclose
totheequipment.Donotullyextendpowercordsinawaythatwillstressthecords.
Besurethatthepoweroutletprovidesthecorrectvoltageandcurrentortheproductyouare
installing.
Careullyconnectanddisconnecttheequipmentromtheelectricaloutlet.
Powersupplystatement
DANGER
Neverremovethecoveronapowersupplyoranypartthathastheollowinglabelattached.
©CoprightLenovo2017ix

Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislabel
attached.Therearenoserviceablepartsinsidethesecomponents.Iyoususpectaproblemwith
oneotheseparts,contactaservicetechnician.
Externaldevices
CAUTION:
DonotconnectordisconnectanyexternaldevicecablesotherthanUniversalSerialBus(USB)and
1394cableswhilethecomputerpowerison;otherwise,youmightdamageyourcomputer.Toavoid
possibledamagetoattacheddevices,waitatleastfivesecondsaterthecomputerisshutdownto
disconnectexternaldevices.
Generalbatterynotice
DANGER
BatteriessuppliedbyLenovoorusewithyourproducthavebeentestedorcompatibilityand
shouldonlybereplacedwithapprovedparts.AbatteryotherthantheonespecifiedbyLenovo,ora
disassembledormodifiedbatteryisnotcoveredbythewarranty.
Batteryabuseormishandlingcancauseoverheat,liquidleakage,oranexplosion.Toavoidpossible
injury,dotheollowing:
•Donotopen,dissemble,orserviceanybattery.
•Donotcrushorpuncturethebattery.
•Donotshort-circuitthebattery,orexposeittowaterorotherliquids.
•Keepthebatteryawayromchildren.
•Keepthebatteryawayromfire.
Stopusingthebatteryiitisdamaged,oriyounoticeanydischargeorthebuildupooreign
materialsonthebatteryleads.
Storetherechargeablebatteriesorproductscontainingtherechargeablebatteriesatroom
temperature,chargedtoapproximately30to50%ocapacity.Werecommendthatthebatteriesbe
chargedaboutonceperyeartopreventoverdischarge.
Donotputthebatteryintrashthatisdisposedoinlandfills.Whendisposingothebattery,comply
withlocalordinancesorregulations.
xYoga370UserGuide

Noticeorbuilt-inrechargeablebattery
DANGER
Donotattempttoreplacethebuilt-inrechargeablebattery.Replacementothebatterymustbe
donebyaLenovo-authorizedrepairacilityortechnician.
Onlyrechargethebatterystrictlyaccordingtoinstructionsincludedintheproductdocumentation.
TheLenovo-authorizedrepairacilitiesortechniciansrecycleLenovobatteriesaccordingtolocal
lawsandregulations.
Noticeornon-rechargeablecoin-cellbattery
DANGER
Ithecoin-cellbatteryisincorrectlyreplaced,thereisdangeroanexplosion.Thebatterycontains
asmallamountoharmulsubstance.
Donotheattomorethan100°C(212°F).
TheollowingstatementappliestousersinthestateoCaliornia,U.S.A.
CaliorniaPerchlorateInormation:
Productscontainingmanganesedioxidelithiumcoin-cellbatteriesmaycontainperchlorate.
PerchlorateMaterial-specialhandlingmayapply,See
www.dtsc.ca.gov/hazardouswaste/perchlorate
Heatandproductventilation
DANGER
Computers,acpoweradapters,andmanyaccessoriescangenerateheatwhenturnedonandwhen
batteriesarecharging.Notebookcomputerscangenerateasignificantamountoheatduetotheir
compactsize.Alwaysollowthesebasicprecautions:
•Whenyourcomputeristurnedonorthebatteryischarging,thebase,thepalmrest,andsome
otherpartsmaybecomehot.Avoidkeepingyourhands,yourlap,oranyotherpartoyour
bodyincontactwithahotsectionothecomputeroranyextendedlengthotime.Whenyou
usethekeyboard,avoidkeepingyourpalmsonthepalmrestoraprolongedperiodotime.
Yourcomputergeneratessomeheatduringnormaloperation.Theamountoheatdependson
theamountosystemactivityandthebatterychargelevel.Extendedcontactwithyourbody,
eventhroughclothing,couldcausediscomortorevenaskinburn.Periodicallytakebreaks
romusingthekeyboardbylitingyourhandsromthepalmrest;andbecareulnottouse
thekeyboardoranyextendedlengthotime.
•Donotoperateyourcomputerorchargethebatterynearflammablematerialsorinexplosive
environments.
©CoprightLenovo2017xi

•Ventilationslots,ansand/orheatsinksareprovidedwiththeproductorsaety,comort,and
reliableoperation.Theseeaturesmightinadvertentlybecomeblockedbyplacingtheproducton
abed,soa,carpet,orotherflexiblesurace.Neverblock,cover,ordisabletheseeatures.
•Whentheacpoweradapterisconnectedtoanelectricaloutletandyourcomputer,itgenerates
heat.Donotplacetheadapterincontactwithanypartoyourbodywhileusingit.Neverusethe
acpoweradaptertowarmyourbody.Extendedcontactwithyourbody,eventhroughclothing,
maycauseaskinburn.
Foryoursaety,alwaysollowthesebasicprecautionswithyourcomputer:
•Keepthecoverclosedwheneverthecomputerispluggedin.
•Regularlyinspecttheoutsideothecomputerordustaccumulation.
•Removedustromventsandanyperorationsinthebezel.Morerequentcleaningsmightbe
requiredorcomputersindustyorhigh-traficareas.
•Donotrestrictorblockanyventilationopenings.
•Donotoperateyourcomputerinsideurniture,asthismightincreasetheriskooverheating.
•Airflowtemperaturesintothecomputershouldnotexceed35°C(95°F).
Electricalcurrentsaetyinormation
DANGER
Electriccurrentrompower,telephone,andcommunicationcablesishazardous.
Toavoidashockhazard:
•Donotuseyourcomputerduringalightningstorm.
•Donotconnectordisconnectanycablesorperorminstallation,maintenance,orreconfiguration
othisproductduringanelectricalstorm.
•Connectallpowercordstoaproperlywiredandgroundedelectricaloutlet.
•Connecttoproperlywiredoutletsanyequipmentthatwillbeattachedtothisproduct.
•Wheneverpossible,useonehandonlytoconnectordisconnectsignalcables.
•Neverturnonanyequipmentwhenthereisevidenceofire,water,orstructuraldamage.
•Disconnecttheattachedpowercords,battery,andallthecablesbeoreyouopenthedevice
covers,unlessinstructedotherwiseintheinstallationandconfigurationprocedures.
•Donotuseyourcomputeruntilallinternalpartsenclosuresareastenedintoplace.Neveruse
thecomputerwheninternalpartsandcircuitsareexposed.
DANGER
Connectanddisconnectcablesasdescribedintheollowingprocedureswheninstalling,moving,
oropeningcoversonthisproductorattacheddevices.
Toconnect:
1.TurneverythingOFF.
2.First,attachallcablestodevices.
3.Attachsignalcablestoconnectors.
Todisconnect:
1.TurneverythingOFF.
2.First,removepowercordsromoutlets.
3.Removesignalcablesromconnectors.
xiiYoga370UserGuide

4.Attachpowercordstooutlets.
5.TurndevicesON.
4.Removeallcablesromdevices.
Thepowercordmustbedisconnectedromthewalloutletorreceptaclebeoreinstallingallother
electricalcablesconnectedtothecomputer.
Thepowercordmaybereconnectedtothewalloutletorreceptacleonlyaterallotherelectrical
cableshavebeenconnectedtothecomputer.
DANGER
Duringelectricalstorms,donotperormanyreplacementanddonotconnectthetelephonecable
toordisconnectitromthetelephoneoutletonthewall.
Liquidcrystaldisplay(LCD)notice
CAUTION:
Theliquidcrystaldisplay(LCD)ismadeoglass,androughhandlingordroppingthecomputercan
causetheLCDtobreak.ItheLCDbreaksandtheinternalfluidgetsintoyoureyesoronyour
hands,immediatelywashtheaectedareaswithwateroratleast15minutes;ianysymptomsare
presentaterwashing,getmedicalcare.
Note:Forproductswithmercur-containingfluorescentlamps(forexample,non-LED),thefluorescentlamp
intheliquidcrstaldispla(LCD)containsmercur;disposeofaccordingtolocal,state,orfederallaws.
Usingheadphonesorearphones
CAUTION:
Excessivesoundpressureromearphonesandheadphonescancausehearingloss.Adjustmento
theequalizertomaximumincreasestheearphoneandheadphoneoutputvoltageandthesound
pressurelevel.Thereore,toprotectyourhearing,adjusttheequalizertoanappropriatelevel.
Excessiveuseofheadphonesorearphonesforalongperiodoftimeathighvolumecanbedangerousifthe
outputoftheheadphoneorearphoneconnectorsdonotcomplwithspecificationsofEN50332-2.The
headphoneoutputconnectorofourcomputercomplieswithEN50332-2Subclause7.Thisspecification
limitsthecomputer’smaximumwidebandtrueRMSoutputvoltageto150mV.Tohelpprotectagainst
hearingloss,ensurethattheheadphonesorearphonesouusealsocomplwithEN50332-2(Clause7
limits)forawidebandcharacteristicvoltageof75mV.UsingheadphonesthatdonotcomplwithEN
50332-2canbedangerousduetoexcessivesoundpressurelevels.
IfourLenovocomputercamewithheadphonesorearphonesinthepackage,asaset,thecombinationof
theheadphonesorearphonesandthecomputeralreadcomplieswiththespecificationsofEN50332-1.
Ifdifferentheadphonesorearphonesareused,ensurethatthecomplwithEN50332-1(Clause6.5
LimitationValues).UsingheadphonesthatdonotcomplwithEN50332-1canbedangerousdueto
excessivesoundpressurelevels.
©CoprightLenovo2017xiii

Plasticbagnotice
DANGER
Plasticbagscanbedangerous.Keepplasticbagsawayrombabiesandchildrentoavoiddanger
osuocation.
Glasspartsnotice
CAUTION:
Somepartsoyourproductmaybemadeoglass.Thisglasscouldbreakitheproductisdropped
onahardsuraceorreceivesasubstantialimpact.Iglassbreaks,donottouchorattempttoremove
it.Stopusingyourproductuntiltheglassisreplacedbytrainedservicepersonnel.
Chokinghazardnotice
CHOKINGHAZARD–Productcontainssmallparts.
Keepawafromchildrenunderthreeears.
xivYoga370UserGuide

Chapter1.Productoverview
Thischapterprovidesbasicinformationtohelpougetfamiliarwithourcomputer.
Computercontrols,connectors,andindicators
Thissectionintroduceshardwarefeaturesofthecomputer.
Frontviewandsideviews
1Microphones(availableonsomemodels)2Camera(availableonsomemodels)
3Ambientlightsensor4Speakers
5Fingerprintreader(availableonsomemodels)6Securit-lockslot
7HDMI™connector8USB3.0connector
9Micro-SIM-cardtra(availableonsomemodels)10MicroSDcardslot
©CoprightLenovo20171

11Audioconnector12ThinkPadPenPro(availableonsomemodels)
13Powerbutton14TrackPoint®buttons
15Trackpad16NFClabel(availableonsomemodels)
17TrackPointpointingstick18Smart-cardslot(availableonsomemodels)
19AlwasOnUSBconnector20MiniEthernetconnector
21USB-Cconnector(Thunderbolt™3compatible)22Powerconnector
23Multi-touchscreen
1Microphones(availableonsomemodels)
Themicrophonescapturesoundandvoicewhenusedwithaprogramcapableofhandlingaudio.
2Camera(availableonsomemodels)
Thecameraenablesoutotakepicturesorholdavideoconference.
3Ambientlightsensor
Theambientlightsensordetectsthesurroundinglightconditions.Thenthecomputeradjuststhescreen
brightnessandthekeboardbacklightmodeaccordingl.
4Speakers
Yourcomputerisequippedwithapairofstereospeakers.
5Fingerprintreader(availableonsomemodels)
Fingerprintauthenticationprovidessimpleandsecureuseraccessbassociatingourfingerprintwitha
password.Formoreinformation,see“Usingthefingerprintreader”onpage54.
6Security-lockslot
Toprotectourcomputerfromtheft,lockourcomputertoadesk,table,orotherfixturethroughasecurit
cablelockthatfitsthissecurit-lockslot.
Note:Youareresponsibleforevaluating,selecting,andimplementingthelockingdeviceandsecurit
feature.Lenovomakesnocomments,judgments,orwarrantiesaboutthefunction,qualit,orperformance
ofthelockingdeviceandsecuritfeature.
7HDMI™connector
TheHDMIconnectorisadigitalaudioandvideointerface.Itenablesoutoconnectourcomputertoa
compatibledigitalaudiodeviceorvideomonitor,suchasaDVDplaerorahigh-definitiontelevision(HDTV).
8USB3.0connector
ConnectUSB-compatibledevices,suchasaUSBkeboard,USBmouse,USBstoragedevice,orUSB
printer.
Attention:WhenouattachaUSBcabletothisconnector,ensurethattheUSBmarkisfacingupward.
Otherwisetheconnectormightgetdamaged.
9Micro-SIM-cardtray(availableonsomemodels)
Ifourcomputersupportsthewirelesswideareanetwork(WAN)feature,amicroSubscriberIdentification
Module(SIM)cardmightberequiredtoestablishwireless-WANconnections.Dependingonthecountror
regionofdeliver,amicroSIMcardmightbeshippedwiththecomputer.
ToinstallorreplacethemicroSIMcard,see“ReplacingthemicroSIMcard”onpage94.
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10MicroSDcardslot
YoucaninsertamicroSDcardintothemicroSDcardslotfordataaccessorstorage.
Attention:WhiletransferringdatatoorfromamicroSDcard,donotputourcomputerintosleepor
hibernationmodebeforethedatatransferiscompleted.Otherwise,ourdatacouldgetdamaged.
ToremoveamicroSDcard,dothefollowing:
1.ClickthetriangulariconintheWindowsnotificationareatoshowhiddenicons.
2.Right-clicktheSaelyRemoveHardwareandEjectMediaicon.
3.SelectthecorrespondingitemtoejectthecardfromtheWindowsoperatingsstem.
4.Pressthecardtoejectitfromourcomputer.
5.Removethecardandstoreitsafelforfutureuse.
Note:IfoudonotremovethecardfromourcomputerafterouejectthecardfromtheWindows
operatingsstem,thecardcannolongerbeaccessed.Toaccessthecard,oumustremoveitfirst,
andtheninsertitagain.
11Audioconnector
Youcanconnectheadphonesoraheadsetwitha3.5-mm(0.14-inch),4-poleplugtotheaudioconnectorto
listentothesoundfromthecomputer.
Ifouareusingaheadsetwithafunctionswitch,donotpressthisswitchwhileusingtheheadset.Ifou
presstheswitch,theheadsetmicrophoneisdisabled,andtheintegratedmicrophonesonthecomputeris
enabledinstead.
Note:Theaudioconnectordoesnotsupportaconventionalmicrophone.
12ThinkPadPenPro(availableonsomemodels)
TheThinkPadPenProissimilarinsizeandshapetoanactualinkpen,sotouchactionsandon-screen
writingfeelcomfortable.Itshigh-levelpressuresensitivitprovidesprecisecontentcreation.Clickand
eraserbuttonsarebuiltintothepenandprovideadditionalfunctionalittointeractwithdata.
Additionall,whenusedwithLenovo’sfreeappWRITEit,oucanwritedirectlintoanapplication.To
downloadWRITEit,gotohttp://www.lenovo.com/writeit.
Formoreinformation,see“ThinkPadPenPro”onpage16.
13Powerbutton
Pressthepowerbuttontoturnonthecomputerorputthecomputerintosleepmode.
Toturnoffthecomputer,opentheStartmenu,clickPower,andthenclickShutdown.
Ifourcomputerisunresponsive,oucanturnoffthecomputerbpressingandholdingthepowerbuttonfor
fourormoreseconds.Ifthecomputercannotbeturnedoff,see“Computerstopsresponding”onpage76.
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Youalsocandefinewhatthepowerbuttondoes.Forexample,bpressingthepowerbutton,oucanturn
offthecomputerorputthecomputerintosleeporhibernationmode.Tochangewhatthepowerbutton
does,dothefollowing:
1.GotoControlPanel,andthenchangetheviewofControlPanelfromCategortoLargeiconsorSmall
icons.
2.ClickPowerOptions➙Choosewhatthepowerbuttonsdo.
3.Followtheinstructionsonthescreen.
ThinkPad®pointingdevice
17TrackPointpointingstick
14TrackPointbuttons
15Trackpad
YourcomputerisequippedwiththeLenovo-uniqueThinkPadpointingdevice.Formoreinformation,see
“UsingtheThinkPadpointingdevice”onpage23.
16NFClabel(availableonsomemodels)
Ifoufindanearfieldcommunication(NFC)labelnearthetrackpad,itindicatesthatourcomputercomes
withanNFCcard.NFCisahigh-frequencandshort-rangewirelesscommunicationtechnolog.Youcan
useNFCtechnologtotransferdatafromonedevicetoanotherbtouchingthemorputtingthemclose
together.FormoreinformationabouttheNFCfeature,see“UsingtheNFCdevices”onpage32.
18Smart-cardslot(availableonsomemodels)
Youcanusesmartcardsforauthentication,datastorage,andapplicationprocessing.Withinlarge
organizations,oumightalsousesmartcardsforstrongsecuritauthenticationofsinglesign-on(SSO).For
moreinformation,see“Usingasmartcard”onpage35.
19AlwaysOnUSBconnector
Bdefault,theAlwasOnUSBconnectorenablesoutochargetheUSB-compatibledevicesinthe
followingsituations:
•Whenourcomputerisonorinsleepmode
•Whenourcomputerisofforinhibernationmode,butconnectedtoacpower
Attention:WhenouattachaUSBcabletothisconnector,ensurethattheUSBmarkisfacingupward.
Otherwisetheconnectormightgetdamaged.
Tochargethesedeviceswhenthecomputerisofforinhibernationmode,andthecomputerisnotconnected
toacpower,dothefollowing:
1.StarttheLenovoSettingsprogram.See“AccessingLenovoprograms”onpage12.
2.ClickPOWER.
3.Followtheinstructionsonthescreentomakeourpreferredsetting.
20MiniEthernetconnector
TheminiEthernetconnectormakesourcomputerthinnerthantheoneswithastandardEthernetconnector.
Toconnectourcomputertoalocalareanetwork(LAN)throughtheminiEthernetconnector,ouneedan
Ethernetextensionadapter.TheEthernetextensionadapterisavailableasanoptionandshippedwith
somecomputermodels.ForinformationaboutusingandpurchasingtheEthernetextensionadapter,
see“CabledEthernetconnections”onpage29.
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