Lenovo B475E User manual

UserGuide

LenovoB475eandB575e

Beforeusingthisinformationandtheproductitsupports,besuretoreadandunderstandthefollowing:

•Safety,Warranty,andSetupGuide

•RegulatoryNotice

•“Importantsafetyinformation”onpageiv

•AppendixC“Notices”onpage65

TheSafety,Warranty,andSetupGuideandtheRegulatoryNoticehavebeenuploadedtotheWebsite.To

refertothem,gotohttp://www.lenovo.com/UserManuals.

FirstEdition(June2012)

©CopyrightLenovo2012.

LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuantaGeneralServicesAdministration

“GSA”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.GS-35F-05925.

Contents

Readthisrst.............iii

Importantsafetyinformation..........iv

Conditionsthatrequireimmediateaction...iv

Safetyguidelines.............v

Chapter1.Gettingtoknowyour

computer................1

Topview..................1

Left-sideview................3

Right-sideview...............4

Frontview.................5

Bottomview................6

Statusindicators...............6

Features..................8

Specications................9

Chapter2.Usingyourcomputer...11

Frequentlyaskedquestions.........11

Tipsonusingyourcomputer.........12

Readingthemanuals..........12

Connectingtopower..........12

Turningonthecomputer.........12

Conguringtheoperatingsystem.....12

Puttingthecomputerintosleepmodeor

shuttingitdown............12

Usingtheacpoweradapterandthebatterypack.13

Checkingthebatterystatus........13

Usingtheacpoweradapter........13

Chargingthebattery..........14

Maximizingthebatterylife........14

Handlingthebattery...........14

Usingthetouchpad............15

Usingthekeyboard.............16

Numerickeypad............16

OneKeyRecoveryProprogrambutton...17

Functionkeycombinations........17

Connectingtoexternaldevices........18

Usingthemediacardreader.......18

UsingUSBconnectors..........19

UsingBluetooth............19

Chapter3.Connectingtothe

network................21

Wiredconnection.............21

Hardwareconnection..........21

Softwareconguration..........22

Wirelessconnection............22

Hardwareconnection..........22

Softwareconguration..........23

Chapter4.Youandyourcomputer..25

Accessibilityandcomfort..........25

Ergonomicinformation..........25

Chapter5.Security..........27

Attachingamechanicallock.........27

Usingpasswords..............27

Chapter6.Recoveryoverview....29

UsingOneKeyRecoveryProprogramonthe

Windows7operatingsystem.........29

Solvingrecoveryproblems..........29

Chapter7.Replacingdevices.....31

Staticelectricityprevention..........31

Replacingthebattery............31

Replacingthebackupbattery.........32

Replacingtheharddiskdrive.........35

Replacingamemorymodule.........39

ReplacingthePCIExpressMiniCardforwireless

LANconnection..............41

Removingtheopticaldrive..........45

Chapter8.Preventingproblems...47

Generaltipsforpreventingproblems......47

Takingcareofyourcomputer.........48

Chapter9.Troubleshootingcomputer

problems...............51

Troubleshooting..............51

Batteryandpowerproblems.......51

Computerscreenproblems........52

Problemswithdrivesandotherstorage

devices................53

OneKeyRecoveryProprogramproblems..54

Apasswordproblem..........54

Asoundproblem............55

Otherproblems............55

AppendixA.Regulatory

information..............57

Wirelessrelatedinformation.........57

Exportclassicationnotice..........58

Electronicemissionnotices..........58

FederalCommunicationsCommission(FCC)

DeclarationofConformity........58

©CopyrightLenovo2012

i

AppendixB.WEEEandrecycling

statements..............61

ChinaWEEEstatement...........61

EUWEEEstatements............61

Japanrecyclingstatements.........61

RecyclinginformationforBrazil........62

BatteryrecyclinginformationfortheEuropean

Union..................63

BatteryrecyclinginformationfortheUnitedStates

andCanada................63

BatteryrecyclinginformationforTaiwan.....63

AppendixC.Notices..........65

ENERGYSTARmodelinformation.......66

Trademarks................66

Index..................69

iiUserGuide

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,keepliquidsawayfromyour

computer.

Protectthecablesfrombeingdamaged.

Applyingstrongforcetocablesmaydamageorbreakthem.

Routecommunicationlines,orthecablesofanacpoweradapter,amouse,a

keyboard,aprinter,oranyotherelectronicdevice,sothattheycannotbewalked

on,trippedover,pinchedbyyourcomputerorotherobjects,orinanyway

subjectedtotreatmentthatcouldinterferewiththeoperationofyourcomputer.

©CopyrightLenovo2012

iii

Protectyourcomputeranddatawhenmovingit.

Beforemovingacomputerequippedwithaharddiskdrive,dooneofthe

following,andmakesurethatthepowerswitchisofforisblinking:

•Turnitoff.

•Putitinsleepmode.

•Putitinhibernationmode.

Thiswillhelptopreventdamagetothecomputer,andpossiblelossofdata.

Handleyourcomputergently.

Donotdrop,bump,scratch,twist,hit,vibrate,push,orplaceheavyobjectson

yourcomputer,display,orexternaldevices.

Carryyourcomputercarefully.

•Useaqualitycarryingcasethatprovidesadequatecushioningandprotection.

•Donotpackyourcomputerinatightlypackedsuitcaseorbag.

•Beforeputtingyourcomputerinacarryingcase,makesurethatitisoff,insleep

mode,orinhibernationmode.Donotputacomputerinacarryingcasewhileit

isturnedon.

Importantsafetyinformation

Thisinformationcanhelpyousafelyuseyournotebookpersonalcomputer.Followandretainallinformation

includedwithyourcomputer.Theinformationinthisdocumentdoesnotalterthetermsofyourpurchase

agreementortheLenovo

®

LimitedWarranty.

Customersafetyisimportant.Ourproductsaredevelopedtobesafeandeffective.However,personal

computersareelectronicdevices.Powercords,poweradapters,andotherfeaturescancreatepotential

safetyrisksthatcanresultinphysicalinjuryorpropertydamage,especiallyifmisused.Toreducethese

risks,followtheinstructionsinthisdocumentcarefully.Bycarefullyfollowingtheinformationcontainedin

thisdocumentandprovidedwithyourproduct,youcanhelpprotectyourselffromhazardsandcreatea

safercomputerworkenvironment.

Conditionsthatrequireimmediateaction

Productscanbecomedamagedduetomisuseorneglect.Someproductdamageisseriousenough

thattheproductshouldnotbeusedagainuntilithasbeeninspectedand,ifnecessary,repairedby

anauthorizedservicer.

Aswithanyelectronicdevice,paycloseattentiontotheproductwhenitisturnedon.Onveryrare

occasions,youmightnoticeanodororseeapuffofsmokeorsparksventfromyourproduct.Oryou

mighthearsoundslikepopping,crackingorhissing.Theseconditionsmightmerelymeanthatan

internalelectroniccomponenthasfailedinasafeandcontrolledmanner.Or,theymightindicate

ivUserGuide

apotentialsafetyissue.However,donottakerisksorattempttodiagnosethesituationyourself.

ContacttheCustomerSupportCenterforfurtherguidance.ForalistofServiceandSupportphone

numbers,gotothefollowingWebsite:

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.

Serviceandupgrades

DonotattempttoserviceaproductyourselfunlessinstructedtodosobytheCustomerSupportCenteror

yourdocumentation.OnlyuseaServiceProviderwhoisapprovedtorepairyourparticularproduct.

Note:Somecomputerpartscanbeupgradedorreplacedbythecustomer.Upgradestypicallyare

referredtoasoptions.ReplacementpartsapprovedforcustomerinstallationarereferredtoasCustomer

ReplaceableUnits,orCRUs.Lenovoprovidesdocumentationwithinstructionswhenitisappropriatefor

customerstoinstalloptionsorreplaceCRUs.Youmustcloselyfollowallinstructionswheninstallingor

replacingparts.TheOffstateofapowerindicatordoesnotnecessarilymeanthatvoltagelevelsinsidea

productarezero.Beforeyouremovethecoversfromaproductequippedwithapowercord,alwaysmake

surethatthepoweristurnedoffandthattheproductisunpluggedfromanypowersource.Ifyouhave

anyquestionsorconcerns,contacttheCustomerSupportCenter.

CAUTION:

BeforereplacinganyCRUs,turnoffthecomputerandwaitthreetoveminutestoletthecomputer

coolbeforeopeningthecover.

©CopyrightLenovo2012

v

Powercordsandpoweradapters

DANGER

Useonlythepowercordsandpoweradapterssuppliedbytheproductmanufacturer.

Thepowercordsshallbesafetyapproved.ForGermany,itshallbeH05VV-F ,3G,0.75mm

2

,or

better.Forothercountries,thesuitabletypesshallbeusedaccordingly.

Neverwrapapowercordaroundapoweradapterorotherobject.Doingsocanstressthecordin

waysthatcancausethecordtofray,crack,orcrimp.Thiscanpresentasafetyhazard.

Alwaysroutepowercordssothattheywillnotbewalkedon,trippedover,orpinchedbyobjects.

Protectpowercordsandpoweradaptersfromliquids.Forinstance,donotleaveyourpowercord

orpoweradapternearsinks,tubs,toilets,oronoorsthatarecleanedwithliquidcleansers.

Liquidscancauseashortcircuit,particularlyifthepowercordorpoweradapterhasbeenstressed

bymisuse.Liquidsalsocancausegradualcorrosionofpowercordterminalsand/ortheconnector

terminalsonapoweradapter,whichcaneventuallyresultinoverheating.

Alwaysconnectpowercordsandsignalcablesinthecorrectorderandensurethatallpowercord

connectorsaresecurelyandcompletelypluggedintoreceptacles.

Donotuseanypoweradapterthatshowscorrosionattheacinputpinsorshowssignsof

overheating(suchasdeformedplastic)attheacinputpinsoranywhereonthepoweradapter.

Donotuseanypowercordswheretheelectricalcontactsoneitherendshowsignsofcorrosionor

overheatingorwherethepowercordappearstohavebeendamagedinanyway.

Extensioncordsandrelateddevices

Ensurethatextensioncords,surgeprotectors,uninterruptiblepowersupplies,andpowerstripsthatyouuse

areratedtohandletheelectricalrequirementsoftheproduct.Neveroverloadthesedevices.Ifpowerstrips

areused,theloadshouldnotexceedthepowerstripinputrating.Consultanelectricianformoreinformation

ifyouhavequestionsaboutpowerloads,powerrequirements,andinputratings.

viUserGuide

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)

cablewhilethecomputerpowerison;otherwise,youmightdamageyourcomputer.T oavoid

possibledamagetoattacheddevices,waitatleastvesecondsafterthecomputerisshutdownto

disconnectexternaldevices.

©CopyrightLenovo2012

vii

Generalbatterynotice

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,whichcouldshortenthelifeofthebatteryandalsocan

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.

viiiUserGuide

Lithiumcoincellbatterynotice

DANGER

Dangerofexplosionifbatteryisincorrectlyreplaced.

Whenreplacingthelithiumcoincellbattery,useonlythesameoranequivalenttypethatis

recommendedbythemanufacturer.Thebatterycontainslithiumandcanexplodeifnotproperly

used,handled,ordisposedof.

Donot:

•Throworimmerseintowater

•Heattomorethan100°C(212°F)

•Repairordisassemble

Disposeofthebatteryasrequiredbylocalordinancesorregulations.

ThefollowingstatementappliestousersinthestateofCalifornia,U.S.A.

CaliforniaPerchlorateInformation:

Productscontainingmanganesedioxidelithiumcoincellbatteriesmaycontainperchlorate.

PerchlorateMaterial-specialhandlingmayapply,See

www.dtsc.ca.gov/hazardouswaste/perchlorate

©CopyrightLenovo2012

ix

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).

xUserGuide

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.

Lasercompliancestatement

CAUTION:

Whenlaserproducts(suchasCD-ROMs,DVDdrives,beropticdevices,ortransmitters)are

installed,notethefollowing:

•Donotremovethecovers.Removingthecoversofthelaserproductcouldresultinexposureto

hazardouslaserradiation.Therearenoserviceablepartsinsidethedevice.

•Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespeciedherein

mightresultinhazardousradiationexposure.

©CopyrightLenovo2012

xi

DANGER

SomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing:

Laserradiationwhenopen.Donotstareintothebeam,donotviewdirectlywithoptical

instruments,andavoiddirectexposuretothebeam.

Liquidcrystaldisplay(LCD)notice

CAUTION:

Forproductswithmercury-containinguorescentlamps(forexample,non-LED)

•Theuorescentlampintheliquidcrystaldisplaycontainsmercury;disposeofaccordingtolocal,

state,orfederallaws.

•TheLCDismadeofglass,androughhandlingordroppingthecomputercancausetheLCDto

break.IftheLCDbreaksandtheinternaluidgetsintoyoureyesoronyourhands,immediately

washtheaffectedareaswithwaterforatleast15minutes;ifanysymptomsarepresentafter

washing,getmedicalcare.

Usingheadphonesorearphones

Ifyourcomputerhasbothaheadphoneconnectorandanaudio-outconnector,alwaysusetheheadphone

connectorforheadphones(alsocalledaheadset)orearphones.

CAUTION:

Excessivesoundpressurefromearphonesandheadphonescancausehearingloss.Adjustmentof

theequalizertomaximumincreasestheearphoneandheadphoneoutputvoltageandthesound

pressurelevel.Therefore,toprotectyourhearing,adjusttheequalizertoanappropriatelevel.

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.

NoticeforusersintheU.S.A.

Manypersonalcomputerproductsandaccessoriescontaincords,cablesorwires,suchaspowercordsor

cordstoconnecttheaccessorytoapersonalcomputer.Ifthisproducthassuchacord,cableorwire,then

thefollowingwarningapplies:

xiiUserGuide

WARNING:Handlingthecordonthisproductorcordsassociatedwithaccessoriessoldwiththisproduct

willexposeyoutolead,achemicalknowntotheStateofCaliforniatocausecancer,andbirthdefectsor

otherreproductiveharm.Washhandsafterhandling.

Savetheseinstructions.

xiii

xivUserGuide

Chapter1.Gettingtoknowyourcomputer

Thischapterintroducesthecomputerhardwarefeaturestogiveyouthebasicinformationyouwillneed

tostartusingthecomputer.

•“Topview”onpage1

•“Left-sideview”onpage3

•“Right-sideview”onpage4

•“Frontview”onpage5

•“Bottomview”onpage6

•“Statusindicators”onpage6

•“Features”onpage8

•“Specications”onpage9

Topview

B575e

1

2

3

4

5

6

7

8

9

10

Figure1.LenovoB475eandB575etopview

Note:Yourcomputermightlookdifferentfromtheaboveillustration.

1Integratedcamera(onsomemodels)6OneKey

®

RecoveryProprogrambutton

2Wirelessmoduleantennas(onsomemodels)

7Built-inmicrophone

3Computerdisplay

8Touchpad

1

4Speakers9Numerickeypad(onsomemodels)

5Powerbutton

10Statusindicators

1Integratedcamera(onsomemodels)

Usethecameratotakepicturesorholdavideoconference.

2Wirelessmoduleantennas(onsomemodels)

Thebuilt-inantennasensureoptimalreceptionofwirelessradio.

3Computerdisplay

TheLCDdisplayprovidesbrilliantvisualoutput.

4Speakers

Toadjustthesoundlevelofthebuilt-inspeakers,referto“Functionkeycombinations”onpage17.

5Powerbutton

Pressthisbuttontoturnonthecomputer.Toturnoffthecomputer,usetheShutdownoptiononthe

Startmenu.

6OneKeyRecoveryProprogrambutton

PresstheOneKeyRecoveryProprogrambuttontolaunchtherecoveryprogrampreinstalledonyour

computer.Formoreinformation,referto“OneKeyRecoveryProprogrambutton”onpage17.

7Built-inmicrophone

Thebuilt-inmicrophone(withnoisereduction)canbeusedforvideoconferencing,voicenarration,or

simpleaudiorecordings.

8Touchpad

Moveyourngertipacrossthetouchpadtomovethepointer.Thetouchpadbuttonsprovidefunctions

similartothoseofamouseanditsbuttons.Formoreinformation,referto“Usingthetouchpad”onpage15.

9Numerickeypad(onsomemodels)

Yourcomputermighthaveanumerickeypadthatcanbeusedtoquicklyinputnumbers.Formore

information,referto“Usingthekeyboard”onpage16.

10Statusindicators

Thestatusindicatorsshowthecurrentstatusofyourcomputer.Formoreinformation,referto“Status

indicators”onpage6.

2UserGuide

Left-sideview

1 2 3 4 5 6 7

Figure2.LenovoB475eandB575eleft-sideview

Note:Yourcomputermightlookdifferentfromtheaboveillustration.

1Securitykeyhole5Ethernetconnector(onsomemodels)

2Powerjack

6HDMIport(onsomemodels)

3Fanlouvers

7USB3.0connector

4VGAport

1Securitykeyhole

Purchaseasecuritycablelockthattsthiskeyholetolockyourcomputertoastationaryobjecttoprotect

yourcomputerfromtheft.Formoreinformation,referto“Attachingamechanicallock”onpage27

.

2Powerjack

Theacpoweradaptercableconnectstothecomputerpowerjacktoprovidepowertothecomputerand

chargethebattery.Formoreinformation,referto“Usingtheacpoweradapterandthebatterypack”

onpage13

.

3Fanlouvers

Theinternalfanandlouversenableairtocirculateinthecomputerandcoolthecentralprocessor.

Note:Toavoidimpedingairow,donotplaceanyobstacleinfrontofthefan.

4VGAport

Connectstoexternaldisplaydevices.

5Ethernetconnector(onsomemodels)

Connectyourcomputertoalocalareanetwork(LAN)withtheEthernetconnector.

DANGER

Toavoidtheriskofelectricalshock,donotconnectthetelephonecabletotheEthernetconnector.

YoucanonlyconnectanEthernetcabletothisconnector.

Formoreinformation,referto“Wiredconnection”onpage21.

Chapter1.Gettingtoknowyourcomputer3

6HDMIport(onsomemodels)

Usethehigh-denitionmultimediainterface(HDMI)porttoconnectacompatibledigitalaudiodeviceor

videomonitorsuchasanHDTV.

7USB3.0connector

ConnectdevicescompatiblewithaUSBinterface,suchasaUSBprinteroradigitalcamera.Formore

information,referto“UsingUSBconnectors”onpage19.

Note:YourcomputeriscompatiblewithUSB1.1,2.0,and3.0.

Right-sideview

dc cba

e

Figure3.LenovoB475eandB575eright-sideview

Note:Yourcomputermightlookdifferentfromtheaboveillustration.

1Headphonejack

4Opticaldrive(onsomemodels)

2Microphonejack

5Ethernetconnector(onsomemodels)

3USBconnectors

1Headphonejack

Connectstoexternalheadphones.

Attention:Listeningtomusicathighvolumeoverextendedperiodsoftimemaydamageyourhearing.

2Microphonejack

Connectstoexternalmicrophones.

3USBconnectors

ConnectdevicescompatiblewithaUSBinterface,suchasaUSBprinteroradigitalcamera.Formore

information,referto“UsingUSBconnectors”onpage19.

Note:YourcomputeriscompatiblewithUSB1.1and2.0.

4Opticaldrive(onsomemodels)

Theopticaldrivereadsopticaldiscs.

5Ethernetconnector(onsomemodels)

Connectyourcomputertoalocalareanetwork(LAN)withtheEthernetconnector.

4UserGuide

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