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
©CopyrightLenovo2012i

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.
©CopyrightLenovo2012iii

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.
©CopyrightLenovo2012v

Powercordsandpoweradapters
DANGER
Useonlythepowercordsandpoweradapterssuppliedbytheproductmanufacturer.
Thepowercordsshallbesafetyapproved.ForGermany,itshallbeH05VV-F ,3G,0.75mm2,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.
©CopyrightLenovo2012vii

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
©CopyrightLenovo2012ix

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.
©CopyrightLenovo2012xi

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.
©CopyrightLenovo2012xiii

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
3Computerdisplay8Touchpad
©CopyrightLenovo20121

4Speakers9Numerickeypad(onsomemodels)
5Powerbutton10Statusindicators
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
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Figure2.LenovoB475eandB575eleft-sideview
Note:Yourcomputermightlookdifferentfromtheaboveillustration.
1Securitykeyhole5Ethernetconnector(onsomemodels)
2Powerjack6HDMIport(onsomemodels)
3Fanlouvers7USB3.0connector
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.
1Headphonejack4Opticaldrive(onsomemodels)
2Microphonejack5Ethernetconnector(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