Lenovo B470 B470E Hmm User Manual B470&B470e Hardware Maintenance Laptop (Lenovo)

2012-01-18

User Manual: Lenovo Lenovo B470 B470E Hmm Lenovo B470&B470e Hardware Maintenance Manual B470e Laptop (Lenovo) Lenovo B470e Notebook

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Page Count: 92

About this manual
Chapter 1. Safety information
Chapter 2. Important service information
- Strategy for replacing FRUs
  - Strategy for replacing a hard disk drive
  - Important notice for replacing a system board
- Important information about replacing RoHS compliant FRUs
Chapter 3. General checkout
- What to do first
- Power system checkout
Chapter 4. Related service information
Chapter 5. Lenovo B470 and B470e
Chapter 6. FRU replacement notices
- Screw notices
Chapter 7. Removing and replacing a FRU
Chapter 8. Locations
Chapter 9. Parts list
Appendix A. Notices
- Trademarks

HardwareMaintenanceManual

LenovoB470andB470e

Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadthegeneralinformation

underAppendixA“Notices”onpage83.

SecondEdition(January2012)

©CopyrightLenovo2011,2012.

LIMITEDANDRESTRICTEDRIGHTSNOTICE:Ifproducts,data,computersoftware,andservicesaredeliveredpursuant

aGeneralServicesAdministration“GSA”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforth

inContractNo.GS-35F-05925.

Contents

Aboutthismanual...........iii

Chapter1.Safetyinformation......1

Generalsafety................1

Electricalsafety...............2

Safetyinspectionguide............3

Handlingdevicesthataresensitivetoelectrostatic

discharge..................3

Groundingrequirements............4

Safetynotices(multilingualtranslations)......4

Lasercompliancestatement(multilingual

translations)................19

Chapter2.Importantservice

information..............27

StrategyforreplacingFRUs.........27

Strategyforreplacingaharddiskdrive...27

Importantnoticeforreplacingasystem

board................28

ImportantinformationaboutreplacingRoHS

compliantFRUs..............28

Chapter3.Generalcheckout.....29

Whattodorst..............29

Powersystemcheckout...........30

Checkingtheacpoweradapter......30

Checkingoperationalcharging......31

Checkingthebatterypack........31

Chapter4.Relatedservice

information..............33

RestoringthefactorycontentsbyusingOneKey

Recovery.................33

Passwords................33

Power-onpassword...........33

Supervisorpassword..........34

Powermanagement............34

Screenblankmode...........34

Sleepmode..............34

Hibernationmode...........34

Chapter5.LenovoB470andB470e..37

Specications...............37

Statusindicators..............38

Fnkeycombinations............40

Chapter6.FRUreplacement

notices................41

Screwnotices...............41

Chapter7.Removingandreplacinga

FRU..................43

1010Batterypack.............44

1020Dummycard.............44

1030Bottomslotcover...........45

1040Harddiskdrive............45

1050Opticaldrive.............46

1060Memorymodules...........47

1070PCIExpressMiniCardforwireless

LAN/WAN................48

1080Keyboard..............49

1090Keyboardbezel............51

1100Systemboardassembly.........53

1110LCDunit...............55

1120Fanassemblyandheatsinkassembly...57

1130CPU................59

1140Basecover,speakersassemblyand

bluetoothdaughtercard...........60

1150LCDfrontbezel............62

1160LCDpanel,LCDcable,andhinges....63

1170Integratedcamera...........65

1180AntennaassemblyandLCDcover.....66

Chapter8.Locations.........69

Frontview................69

Right-sideview..............70

Bottomandleft-sideview..........70

Chapter9.Partslist..........71

Overall..................72

LCDFRUs................75

Keyboard.................77

Miscellaneousparts............78

acpoweradapters.............78

Powercords...............78

AppendixA.Notices..........83

Trademarks................84

©CopyrightLenovo2011,2012i

iiHardwareMaintenanceManual

Aboutthismanual

ThismanualcontainsserviceandreferenceinformationforthefollowingLenovo®products.

ProductMachinetype(MT)

LenovoB4704315,20087

LenovoB470e3499,20172

Usethismanualtotroubleshootproblems.

Themanualisdividedintothefollowingsections:

•Thecommonsectionsprovidegeneralinformation,guidelines,andsafetyinformationrequiredfor

servicingcomputers.

•Theproduct-specicsectionincludesservice,reference,andproduct-specicpartsinformation.

Important:

ThismanualisintendedonlyfortrainedservicetechnicianswhoarefamiliarwithLenovoproducts.Use

thismanualtotroubleshootproblemseffectively.

BeforeservicingaLenovoproduct,besuretoreadalltheinformationunderChapter1“Safety

information”onpage1andChapter2“Importantserviceinformation”onpage27.

©CopyrightLenovo2011,2012iii

ivHardwareMaintenanceManual

Chapter1.Safetyinformation

Thischapterpresentsfollowingsafetyinformationthatyouneedtobefamiliarwithbeforeyouservicea

LenovoNotebook.

•“Generalsafety”onpage1

•“Electricalsafety”onpage2

•“Safetyinspectionguide”onpage3

•“Handlingdevicesthataresensitivetoelectrostaticdischarge”onpage3

•“Groundingrequirements”onpage4

•“Safetynotices(multilingualtranslations)”onpage4

•“Lasercompliancestatement(multilingualtranslations)”onpage19

Generalsafety

Followtheserulestoensuregeneralsafety:

•Observegoodhousekeepingintheareaofthemachinesduringandaftermaintenance.

•Whenliftinganyheavyobject:

1.Makesurethatyoucanstandsafelywithoutslipping.

2.Distributetheweightoftheobjectequallybetweenyourfeet.

3.Useaslowliftingforce.Nevermovesuddenlyortwistwhenyouattempttolift.

4.Liftbystandingorbypushingupwithyourlegmuscles;thisactionremovesthestrainfromthe

musclesinyourback.Donotattempttoliftanyobjectthatweighsmorethan16kg(35lb)orthatyou

thinkistooheavyforyou.

•Donotperformanyactionthatcauseshazardstothecustomer,orthatmakestheequipmentunsafe.

•Beforeyoustartthemachine,makesurethatotherservicetechniciansandthecustomer'spersonnelare

notinahazardousposition.

•Placeremovedcoversandotherpartsinasafeplace,awayfromallpersonnel,whileyouareservicing

themachine.

•Keepyourtoolcaseawayfromwalkareassothatotherpeoplewillnottripoverit.

•Donotwearlooseclothingthatcanbetrappedinthemovingpartsofamachine.Makesurethatyour

sleevesarefastenedorrolledupaboveyourelbows.Ifyourhairislong,fastenit.

•Inserttheendsofyournecktieorscarfinsideclothingorfastenitwithanonconductiveclip,about8

centimeters(3inches)fromtheend.

•Donotwearjewelry,chains,metal-frameeyeglasses,ormetalfastenersforyourclothing,becausemetal

objectsaregoodelectricalconductors.

•Wearsafetyglasseswhenyouarehammering,drilling,soldering,cuttingwire,attachingsprings,using

solvents,orworkinginanyotherconditionsthatmightbehazardoustoyoureyes.

•Afterservice,reinstallallsafetyshields,guards,labels,andgroundwires.Replaceanysafetydevice

thatiswornordefective.

•Reinstallallcoverscorrectlybeforereturningthemachinetothecustomer.

•Fanlouversonthemachinehelptopreventoverheatingofinternalcomponents.Donotobstructfan

louversorcoverthemwithlabelsorstickers.

©CopyrightLenovo2011,20121

Electricalsafety

Observethefollowingruleswhenworkingonelectricalequipment.

Important:

Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoftmaterial

thatdoesnotinsulateyouwhenworkingwithliveelectricalcurrents.

Manycustomershave,neartheirequipment,rubberoormatsthatcontainsmallconductivebersto

decreaseelectrostaticdischarges.Donotusethistypeofmattoprotectyourselffromelectricalshock.

•Findtheroomemergencypower-off(EPO)switch,disconnectingswitch,orelectricaloutlet.Ifanelectrical

accidentoccurs,youcanthenoperatetheswitchorunplugthepowercordquickly.

•Donotworkaloneunderhazardousconditionsornearequipmentthathashazardousvoltages.

•Disconnectallpowerbefore:

–Performingamechanicalinspection

–Workingnearpowersupplies

–Removingorinstallingmainunits

•Beforeyoustarttoworkonthemachine,unplugthepowercord.Ifyoucannotunplugit,askthecustomer

topower-offthewallboxthatsuppliespowertothemachine,andtolockthewallboxintheoffposition.

•Ifyouneedtoworkonamachinethathasexposedelectricalcircuits,observethefollowingprecautions:

–Ensurethatanotherperson,familiarwiththepower-offcontrols,isnearyou.

Attention:Anotherpersonmustbetheretoswitchoffthepower,ifnecessary.

–Useonlyonehandwhenworkingwithpowered-onelectricalequipment;keeptheotherhandinyour

pocketorbehindyourback.

Attention:Anelectricalshockcanoccuronlywhenthereisacompletecircuit.Byobservingtheabove

rule,youmaypreventacurrentfrompassingthroughyourbody.

–Whenusingtesters,setthecontrolscorrectlyandusetheapprovedprobeleadsandaccessoriesfor

thattester.

–Standonsuitablerubbermats(obtainedlocally,ifnecessary)toinsulateyoufromgroundssuchas

metaloorstripsandmachineframes.

Observethespecialsafetyprecautionswhenyouworkwithveryhighvoltages;Instructionsforthese

precautionsareinthesafetysectionsofmaintenanceinformation.Useextremecarewhenmeasuring

highvoltages.

•Regularlyinspectandmaintainyourelectricalhandtoolsforsafeoperationalcondition.

•Donotusewornorbrokentoolsandtesters.

•Neverassumethatpowerhasbeendisconnectedfromacircuit.First,checkthatithasbeenpoweredoff.

•Alwayslookcarefullyforpossiblehazardsinyourworkarea.Examplesofthesehazardsaremoistoors,

nongroundedpowerextensioncables,powersurges,andmissingsafetygrounds.

•Donottouchliveelectricalcircuitswiththereectivesurfaceofaplasticdentalmirror.Thesurfaceis

conductive;suchtouchingcancausepersonalinjuryandmachinedamage.

•Donotservicethefollowingpartswiththepoweronwhentheyareremovedfromtheirnormaloperating

placesinamachine:

–Powersupplyunits

–Pumps

–Blowersandfans

–Motorgenerators

–Similarunitstolistedabove

Thispracticeensurescorrectgroundingoftheunits.

•Ifanelectricalaccidentoccurs:

2HardwareMaintenanceManual

–Usecaution;donotbecomeavictimyourself.

–Switchoffpower.

–Sendanotherpersontogetmedicalaid.

Safetyinspectionguide

Thepurposeofthisinspectionguideistoassistyouinidentifyingpotentiallyunsafeconditions.Aseach

machinewasdesignedandbuilt,requiredsafetyitemswereinstalledtoprotectusersandservicetechnicians

frominjury.Thisguideaddressesonlythoseitems.Youshouldusegoodjudgmenttoidentifypotential

safetyhazardsduetoattachmentofnon-Lenovofeaturesoroptionsnotcoveredbythisinspectionguide.

Ifanyunsafeconditionsarepresent,youmustdeterminehowserioustheapparenthazardcouldbeand

whetheryoucancontinuewithoutrstcorrectingtheproblem.

Considertheseconditionsandthesafetyhazardstheypresent:

•Electricalhazards,especiallyprimarypower(primaryvoltageontheframecancauseseriousorfatal

electricalshock)

•Explosivehazards,suchasadamagedCRTfaceorabulgingcapacitor

•Mechanicalhazards,suchaslooseormissinghardware

Todeterminewhetherthereareanypotentiallyunsafeconditions,usethefollowingchecklistatthebeginning

ofeveryservicetask.Beginthecheckswiththepoweroff,andthepowercorddisconnected.

Checklist:

1.Checkexteriorcoversfordamage(loose,broken,orsharpedges).

2.Poweroffthecomputer.Disconnectthepowercord.

3.Checkthepowercordfor:

a.Athird-wiregroundconnectoringoodcondition.Useametertomeasurethird-wireground

continuityfor0.1ohmorlessbetweentheexternalgroundpinandtheframeground.

b.Thepowercordshouldbethetypespeciedinthepartslist.

c.Insulationmustnotbefrayedorworn.

4.Checkforcrackedorbulgingbatteries.

5.Removethecover.

6.Checkforanyobviousnon-Lenovoalterations.Usegoodjudgmentastothesafetyofanynon-Lenovo

alterations.

7.Checkinsidetheunitforanyobviousunsafeconditions,suchasmetallings,contamination,wateror

otherliquids,orsignsofreorsmokedamage.

8.Checkforworn,frayed,orpinchedcables.

9.Checkthatthepower-supplycoverfasteners(screwsorrivets)havenotbeenremovedortamperedwith.

Handlingdevicesthataresensitivetoelectrostaticdischarge

Anycomputerpartcontainingtransistorsorintegratedcircuits(ICs)shouldbeconsideredsensitiveto

electrostaticdischarge(ESD.)ESDdamagecanoccurwhenthereisadifferenceinchargebetweenobjects.

ProtectagainstESDdamagebyequalizingthechargesothatthemachine,thepart,theworkmat,andthe

personhandlingthepartareallatthesamecharge.

Notes:

1.Useproduct-specicESDprocedureswhentheyexceedtherequirementsnotedhere.

Chapter1.Safetyinformation3

2.MakesurethattheESDprotectivedevicesyouusehavebeencertied(ISO9000)asfullyeffective.

WhenhandlingESD-sensitiveparts:

•Keepthepartsinprotectivepackagesuntiltheyareinsertedintotheproduct.

•Avoidcontactwithotherpeople.

•Wearagroundedwriststrapagainstyourskintoeliminatestaticonyourbody.

•Preventthepartfromtouchingyourclothing.Mostclothingisinsulativeandretainsachargeevenwhen

youarewearingawriststrap.

•Useagroundedworkmattoprovideastatic-freeworksurface.Thematisespeciallyusefulwhen

handlingESD-sensitivedevices.

•Selectagroundingsystem,suchasthoselistedbelow,toprovideprotectionthatmeetsthespecic

servicerequirement.

Note:TheuseofagroundingsystemtoguardagainstESDdamageisdesirablebutnotnecessary.

–AttachtheESDgroundcliptoanyframeground,groundbraid,orgreen-wireground.

–Whenworkingonadouble-insulatedorbattery-operatedsystem,useanESDcommongroundor

referencepoint.Y oucanusecoaxorconnector-outsideshellsonthesesystems.

–Usetheroundgroundprongoftheacplugonac-operatedcomputers.

Groundingrequirements

Electricalgroundingofthecomputerisrequiredforoperatorsafetyandcorrectsystemfunction.Proper

groundingoftheelectricaloutletcanbeveriedbyacertiedelectrician.

Safetynotices(multilingualtranslations)

Thesafetynoticesinthissectionareprovidedinthefollowinglanguages:

•English

•Arabic

•BrazilianPortuguese

•French

•German

•Hebrew

•Japanese

•Korean

•Spanish

•T raditionalChinese

DANGER

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Lasercompliancestatement(multilingualtranslations)

Thelasercompliancestatementsinthissectionareprovidedinthefollowinglanguages:

•English

•Arabic

•BrazilianPortuguese

•French

•German

•Hebrew

•Japanese

•Korean

•Spanish

•T raditionalChinese

Chapter1.Safetyinformation19

20HardwareMaintenanceManual

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26HardwareMaintenanceManual

Chapter2.Importantserviceinformation

Thischapterpresentsfollowingimportantserviceinformationthatappliestoallmachinetypessupportedby

thismanual:

•“StrategyforreplacingFRUs”onpage27

–“Strategyforreplacingaharddiskdrive”onpage27

–“Importantnoticeforreplacingasystemboard”onpage28

•“ImportantinformationaboutreplacingRoHScompliantFRUs”onpage28

Important:BIOSanddevicedriverxesarecustomer-installable.TheBIOSanddevicedriversareavailable

http://consumersupport.lenovo.com/

StrategyforreplacingFRUs

Beforereplacingparts:

Makesurethatallsoftwarexes,drivers,andBIOSdownloadsareinstalledbeforereplacinganyFRUs

listedinthismanual.

Afterasystemboardisreplaced,ensurethatthelatestBIOSisloadedtothesystemboardbefore

completingtheserviceaction.

Todownloadsoftwarexes,drivers,andBIOS,doasfollows:

1.Gotohttp://consumersupport.lenovo.com/.

2.EnteraserialnumberorselectaproductoruseLenovosmartdownloading.

3.SelecttheBIOS/Driver/Applications.

4.Followthedirectionsonthescreenandinstallthenecessarysoftware.

UsethefollowingstrategytopreventunnecessaryexpenseforreplacingandservicingFRUs:

•IfyouareinstructedtoreplaceaFRUbutthereplacementdoesnotcorrecttheproblem,reinstall

theoriginalFRUbeforeyoucontinue.

•Somecomputershavebothaprocessorboardandasystemboard.Ifyouareinstructedtoreplaceeither

theprocessorboardorthesystemboard,andreplacingoneofthemdoesnotcorrecttheproblem,

reinstallthatboard,andthenreplacetheotherone.

•IfanadapteroradeviceconsistsofmorethanoneFRU,anyoftheFRUsmaybethecauseoftheerror.

Beforereplacingtheadapterordevice,removetheFRUs,onebyone,toseeifthesymptomschange.

ReplaceonlytheFRUthatchangedthesymptoms.

Attention:Thesetupcongurationonthecomputeryouareservicingmayhavebeencustomized.Running

AutomaticCongurationmayalterthesettings.Notethecurrentcongurationsettings(usingtheView

Congurationoption);then,whenservicehasbeencompleted,verifythatthosesettingsremainineffect.

Strategyforreplacingaharddiskdrive

Alwaystrytorunalow-levelformatbeforereplacingaharddiskdrive(HDD).Thiswillcauseallcustomerdata

ontheharddisktobelost.Besurethatthecustomerhasacurrentbackupofthedatabeforedoingthistask.

©CopyrightLenovo2011,201227

Attention:Thedrivestartupsequenceinthecomputeryouareservicingmayhavebeenchanged.Be

extremelycarefulduringwriteoperationssuchascopying,saving,orformatting.Ifyouselectanincorrect

drive,dataorprogramscanbeoverwritten.

Importantnoticeforreplacingasystemboard

Somecomponentsmountedonasystemboardareverysensitive.Improperhandlingofasystemboardcan

causedamagetothosecomponents,andmaycauseasystemmalfunction.

Attention:Whenhandlingasystemboard:

•Donotdropasystemboardorapplyanyexcessiveforcetoit.

•Avoidroughhandlingofanykind.

•AvoidbendingasystemboardandhardpushingtopreventcrackingateachBGA(BallGridArray)chipset.

ImportantinformationaboutreplacingRoHScompliantFRUs

RoHS,TheRestrictionofHazardousSubstancesinElectricalandElectronicEquipmentDirective

(2002/95/EC)isaEuropeanUnionlegalrequirementaffectingtheglobalelectronicsindustry.RoHS

requirementsmustbeimplementedonLenovoproductsplacedonthemarketafterJune2006.Products

onthemarketbeforeJune2006arenotrequiredtohaveRoHScompliantparts.IftheoriginalFRUparts

arenon-compliant,thereplacementpartsalsocanbenon-compliant.Thatis,iftheoriginalFRUpartsare

RoHScompliant,thereplacementpartalsomustbeRoHScompliant.

Note:RoHSandnon-RoHSFRUpartnumberswiththesametandfunctionareidentiedbytheunique

FRUpartnumbers.

LenovoplanstotransittoRoHScompliancebeforetheimplementationdateandexpectsitssupplierstobe

readytomeetLenovo’srequirementsandscheduleintheEuropeanUnion.Productssoldbetween2005

and2006mightcontainsomeRoHScompliantFRUs.Thefollowingstatementpertainstotheproducts

withRoHScompliantFRUs.

RoHScompliantFRUshaveuniqueFRUpartnumbers.BeforeoraftertheRoHSimplementationdate,the

failedRoHScompliantpartsmustbereplacedwithcompliantpartsandonlythefollowingFRUscanbe

used:identiedascompliantintheHardwareMaintenanceManualordirectsubstitutionscanbeused.

•CompliantFRUsidentiedinHardwareMaintenanceManual

•DirectsubstitutionswithdifferentFRUpartnumbersautomaticallyshippedbythedistributioncenterat

thetimeoforder

ForproductsshippedafterJune2006

CurrentororiginalpartReplacementFRU

MustbeRoHSMustbeRoHS

28HardwareMaintenanceManual

Chapter3.Generalcheckout

Thischapterpresentsfollowinginformation:

•“Whattodorst”onpage29

•“Powersystemcheckout”onpage30

Beforeyougotothecheckoutguide,besuretoreadthefollowingimportantnotes.

Importantnotes:

•Onlycertiedtrainedpersonnelshouldservicethecomputer.

•BeforereplacinganyFRU,readtheentirepageonremovingandreplacingFRUs.

•WhenyoureplaceFRUs,usenewnylon-coatedscrews.

•Beextremelycarefulduringsuchwriteoperationsascopying,saving,orformatting.Drivesinthecomputer

thatyouareservicingsequencemighthavebeenaltered.Ifyouselectanincorrectdrive,dataorprograms

mightbeoverwritten.

•ReplaceaFRUonlywithanotherFRUofthecorrectmodel.WhenyoureplaceaFRU,makesurethatthemodel

ofthemachineandtheFRUpartnumberarecorrectbyreferringtotheFRUpartslist.

•AFRUshouldnotbereplacedbecauseofasingle,unreproduciblefailure.Singlefailurescanoccurfora

varietyofreasonsthathavenothingtodowithahardwaredefect,suchascosmicradiation,electrostaticdischarge,

orsoftwareerrors.ConsiderreplacingaFRUonlywhenaproblemrecurs.IfyoususpectthataFRUisdefective,

cleartheerrorlogandrunthetestagain.Iftheerrordoesnotrecur,donotreplacetheFRU.

•BecarefulnottoreplaceanondefectiveFRU.

Whattodorst

WhenyoudoreturnaFRU,youmustincludethefollowinginformationinthepartsexchangeformor

partsreturnformthatyouattachtoit:

1.Nameandphonenumberofservicetechnician

2.Dateofservice

3.Dateonwhichthemachinefailed

4.Dateofpurchase

5.ProcedureindexandpagenumberinwhichthefailingFRUwasdetected

6.FailingFRUnameandpartnumber

7.Machinetype,modelnumber,andserialnumber

8.Customer'snameandaddress

Note:Duringthewarrantyperiod,thecustomermayberesponsibleforrepaircostsifthecomputerdamage

wascausedbymisuse,accident,modication,unsuitablephysicaloroperatingenvironment,orimproper

maintenancebythecustomer.Followingisalistofsomecommonitemsthatarenotcoveredunderwarranty

andsomesymptomsthatmightindicatethatthesystemwassubjectedtostressbeyondnormaluse.

Beforecheckingproblemswiththecomputer,determinewhetherthedamageiscoveredunderthewarranty

byreferringtothefollowinglist:

Thefollowingarenotcoveredunderwarranty:

•LCDpanelcrackedfromtheapplicationofexcessiveforceorfrombeingdropped

•Scratched(cosmetic)parts

•Distortion,deformation,ordiscolorationofthecosmeticparts

•Plasticparts,latches,pins,orconnectorsthathavebeencrackedorbrokenbyexcessiveforce

•Damagecausedbyliquidspilledintothesystem

•DamagecausedbytheimproperinsertionofaPCCardortheinstallationofanincompatiblecard

•Improperdiscinsertionoruseofanopticaldrive

©CopyrightLenovo2011,201229

•Diskettedrivedamagecausedbypressureonthediskettedrivecover,foreignmaterialinthedrive,

ortheinsertionofadiskettewithmultiplelabels

•Damagedorbentdisketteejectbutton

•Fusesblownbyattachmentofanonsupporteddevice

•Forgottencomputerpassword(makingthecomputerunusable)

•Stickykeyscausedbyspillingaliquidontothekeyboard

•Useofanincorrectacpoweradapteronlaptopproducts

Thefollowingsymptomsmightindicatedamagecausedbynonwarrantedactivities:

•Missingpartsmightbeasymptomofunauthorizedserviceormodication.

•Ifthespindleofaharddiskdrivebecomesnoisy,itmayhavebeensubjectedtoexcessiveforce,

ordropped.

Powersystemcheckout

Toverifyasymptom,dothefollowing:

1.Turnoffthecomputer.

2.Removethebatterypack.

3.Connecttheacpoweradapter.

4.Checkthatpowerissuppliedwhenyouturnonthecomputer.

5.Turnoffthecomputer.

6.Disconnecttheacpoweradapterandinstallthechargedbatterypack.

7.Checkthatthebatterypacksuppliespowerwhenyouturnonthecomputer.

Ifyoususpectapowerproblem,seetheappropriateoneofthefollowingpowersupplycheckouts:

•“Checkingtheacpoweradapter”onpage30

•“Checkingoperationalcharging”onpage31

•“Checkingthebatterypack”onpage31

Checkingtheacpoweradapter

Youareherebecausethecomputerfailsonlywhentheacpoweradapterisused.

•Ifthepower-onindicatordoesnotturnon,checkthepowercordoftheacpoweradapterforcorrect

continuityandinstallation.

•Ifthecomputerdoesnotchargeduringoperation,goto“Checkingoperationalcharging”onpage31

Tochecktheacpoweradapter,dothefollowing:

1.Unplugtheacpoweradaptercablefromthecomputer.

2.Measuretheoutputvoltageattheplugoftheacpoweradaptercable.Seethefollowinggure:

PinVoltage(Vdc)

1+20

Note:Outputvoltageofpinno.2oftheacpoweradaptermaydifferentfromtheoneyouareservicing.

3.Ifthevoltageisnotcorrect,replacetheacpoweradapter.

4.Ifthevoltageisacceptable,dothefollowing:

•Replacethesystemboard.

30HardwareMaintenanceManual

•Iftheproblempersists,gotoChapter5“LenovoB470andB470e”onpage37.

Note:Noisefromtheacpoweradapterdoesnotalwaysindicateadefect.

Checkingoperationalcharging

Tocheckwhetherthebatterychargesproperlyduringoperation,useadischargedbatterypackorabattery

packthathaslessthan50%ofthetotalpowerremainingwheninstalledinthecomputer.

Performoperationalcharging.Ifthebatterystatusindicatororicondoesnotturnon,removethebattery

packandletitreturntoroomtemperature.Reinstallthebatterypack.Ifthechargeindicatororiconstilldoes

notturnon,replacethebatterypack.

Ifthechargeindicatorstilldoesnotturnon,replacethesystemboard.Thenreinstallthebatterypack.Ifitis

stillnotcharged,gotothenextsection.

Checkingthebatterypack

Batterychargingdoesnotstartuntilthepowermetershowsthatlessthan95%ofthetotalpowerremains;

underthisconditionthebatterypackcanchargeto100%ofitscapacity.Thisprotectsthebatterypackfrom

beingoverchargedorfromhavingashortenedlife.

Tocheckyourbattery,moveyourcursortothepowermetericonintheicontrayoftheWindows®taskbar

andwaitforamoment(butdonotclickit),andthepercentageofbatterypowerremainingisdisplayed.To

getdetailedinformationaboutthebattery,double-clickthepowermetericon.

Note:Ifthebatterypackbecomeshot,itmaynotbeabletobecharged.Removeitfromthecomputerand

leaveitatroomtemperatureforawhile.Afteritcoolsdown,reinstallandrechargeit.

Tocheckthebatterypack,dothefollowing:

1.Poweroffthecomputer.

2.Removethebatterypackandmeasurethevoltagebetweenbatteryterminals1(+)and7(-).Seethe

followinggure:

TerminalVoltage(Vdc)

1+0to+14

7Ground(-)

1(+) 2(+)

3456(-) 7(-)

3.Ifthevoltageislessthan+11.0Vdc,thebatterypackhasbeendischarged.

Note:Rechargingwilltakeatleast3hours,eveniftheindicatordoesnotturnon.

Ifthevoltageisstilllessthan+11.0Vdcafterrecharging,replacethebattery.

4.Ifthevoltageismorethan+11.0Vdc,measuretheresistancebetweenbatteryterminals5and7.

Theresistancemustbe4to30KΩ.

Iftheresistanceisnotcorrect,replacethebatterypack.Iftheresistanceiscorrect,replacethesystem

board.

Chapter3.Generalcheckout31

32HardwareMaintenanceManual

Chapter4.Relatedserviceinformation

Thischapterpresentsfollowinginformation:

•“RestoringthefactorycontentsbyusingOneKeyRecovery”onpage33

•“Passwords”onpage33

•“Powermanagement”onpage34

RestoringthefactorycontentsbyusingOneKeyRecovery

Restoreoffactorydefault

TheLenovocomputerscomewithpre-installedOneKeyRescue™System.Inordertosaveapplicationles

andtheinitialbackuplesofthesystem,theharddiskinaLenovocomputerincludesahiddenpartition

whenitisshipped.Ifyouneedtorestorethesystemtothepointofyourrstbootup,justenterLenovo

OneKeyRescueSystemandrunRestoretofactorydefault.Formoreinformation,refertothehelp

informationsystemabouttheprogram.

Note:Thiswilldeleteallthenewdataonthesystempartition(Cdrive),whichisnotrecoverable.Besureto

backupyourcriticaldatabeforeyouperformthisaction.

Usingrecoverydiscs

Whenyoureplaceaharddiskdriveinyourcomputer,youareunabletousethepreinstalledLenovoOneKey

RecoveryandOneKeyRescue.However,youcanusetherecoverydiscsthatstoreyourbackupdatato

restoreyournewharddrivetoapreviousbackupstatus.

Note:YoucancreaterecoverydiscsbyburningthebackupimagetoaCD/DVDasrecoverydiscs.Formore

information,refertothehelpinformationsystemabouttheprogram.

Whenyouusetherecoverydiscstobootyourcomputer,thesystemwillentertheuserinterfaceofsystem

recoveryautomatically.Youwillbepromptedtoinsertthebackupdiscstocompletethewholerecovery

process.

Note:Therecoveryprocessmighttakeupto2hours.

Passwords

AsmanyastwopasswordsmightbeneededforaLenovonotebookcomputer:thepower-onpassword,the

harddiskpassword,andthesupervisorpassword.

Ifanyofthesepasswordshasbeenset,apromptforitwillbedisplayedonthescreenwheneverthe

computeristurnedon.Thecomputerdoesnotstartuntilthepasswordisentered.

Note:Ifonlyasupervisorpasswordisset,thepasswordpromptwillnotbedisplayedwhentheoperating

systemisstarted.

Power-onpassword

Apower-onpassword(POP)protectsthesystemfrombeingpoweredonbyanunauthorizedperson.The

passwordmustbeenteredbeforeanoperatingsystemcanbebooted.

©CopyrightLenovo2011,201233

Supervisorpassword

Asupervisorpassword(SVP)protectsthesysteminformationstoredintheBIOS.Theusermustenterthe

SVPinordertogetaccesstotheBIOSandchangethesystemconguration.

Attention:IftheSVPhasbeenforgottenandcannotbemadeavailabletotheservicetechnician,thereisno

serviceproceduretoresetthepassword.Thesystemboardmustbereplacedforascheduledfee.

Powermanagement

Note:PowermanagementmodesarenotsupportedforAPMoperatingsystem.

Toreducepowerconsumption,thecomputerhasthreepowermanagementmodes:screenblank,sleep,

andhibernation.

Screenblankmode

Ifthetimesetonthe“Turnoffmonitor”timerintheoperatingsystemexpires,theLCDbacklightturnsoff.

YoualsocanturnofftheLCDbacklightbypressingFn+F2.

Toendscreenblankmodeandresumenormaloperation,pressanykey.

Sleepmode

Whenthecomputerenterssleepmode,thefollowingeventsoccurinadditiontowhatoccursinscreen

blankmode:

•TheLCDispoweredoff.

•Theharddiskdriveispoweredoff.

•TheCPUstops.

Toentersleepmode,pressFn+F1.

Incertaincircumstances,thecomputergoesintosleepmodeautomatically:

•Ifa“suspendtime”hasbeensetonthetimer,andtheuserdoesnotdoanyoperationwiththekeyboard,

theharddiskdrive,theparallelconnector,orthediskettedrivewithinthattime.

•Ifthebatteryindicatorblinksorange,indicatingthatthebatterypowerislow.

Tocausethecomputertoreturnfromsleepmodeandresumetheoperation,dooneofthefollowing:

•PresstheFnkey.

•OpentheLCDcover.

•T urnonthepowerbutton.

Also,whenthetimesetontheresumetimerelapses,thecomputerautomaticallyreturnsfromsleepmode

andresumesoperation.

Note:Thecomputerdoesnotacceptanyinputimmediatelyafteritenterssleepmode.Waitafewseconds

beforetakinganyactiontoreenteroperationmode.

Hibernationmode

Inhibernationmode,thefollowingoccurs:

•Thesystemstatus,RAM,VRAM,andsetupdataarestoredontheharddiskdrive.

•Thesystemispoweredoff.

34HardwareMaintenanceManual

Ifyouhavedenedoneofthefollowingactionsastheeventthatcausesthesystemtogointohibernation

mode,performthataction.

•Closingthelid.

•Pressingthepowerbutton.

Also,thecomputergoesintohibernationmodeautomaticallyineitherofthefollowingconditions:

•Ifa“hibernationtime”hasbeensetonthetimer,andiftheuserdoesnotdoanyoperationwiththe

keyboard,theharddiskdrive,theparallelconnector,orthediskettedrivewithinthattime.

•Ifthetimerconditionsaresatisedinsuspendmode.

Whenthepoweristurnedon,thecomputerreturnsfromhibernationmodeandresumesoperation.The

hibernationleinthebootrecordontheharddiskdriveisread,andsystemstatusisrestoredfromthe

harddiskdrive.

Chapter4.Relatedserviceinformation35

36HardwareMaintenanceManual

Chapter5.LenovoB470andB470e

Thischapterpresentsthefollowingproduct-specicservicereferencesandpartsinformation:

•“Specications”onpage37

•“Statusindicators”onpage38

•“Fnkeycombinations”onpage40

Specications

Thistopicpresentsthephysicalspecicationsofthecomputer.

Table1.Specications

FeatureDescription

ProcessorIntelHuronRiverSVPlatform,OnlysupportDC(35W)

•i7-2620M:4M,1333MHzDDR3,GT2,650-1300MHz

GfxTurbo

•i5-2540M:3M,1333MHzDDR3,GT2,650-1150MHz

GfxTurbo

•i5-2520M:3M,1333MHzDDR3,GT2,650-1150MHz

GfxTurbo

CoreChipsetMobileIntelHM65ExpressChipsets

Busarchitecture•1066/1333MHzDDR3SDRAM

•DMI

•FDI

•PCIExpressbus(ForOptimus)

Graphicmemorychip•IntelIntegratedorNVN12M-GS1G/512M(onsome

models)

•IntelIntegratedorNVN13M-GE11G(onsomemodels)

Display16:9,13.3HighglossyattypeHDpanel,1366x768

pixels,220nit

StandardForLenovoB470

•DDR3-1666MHz,SupportDualChannel

•SODIMMsocketx2(max4GBperslot)

ForLenovoB470e

•DDR3-1666MHz

•SODIMMsocket(max4GB)

CMOSRAM256bytes

©CopyrightLenovo2011,201237

Table1.Specications(continued)

FeatureDescription

Harddiskdrive•9.5mmHDD:

–1TB7200rpm&5400rpm

–750GB7200rpm

–500GB7200rpm&5400rpm

–320GB7200rpm&5400rpm

•7mmHDD:

–500GB7200rpm&5400rpm

–320GB7200rpm&5400rpm

I/Oport•Stereoheadphonejack

•Microphonejack

•RJ45x1

•HDMIport(onsomemodels)

•6in1cardreader(SD/SDHC/MMC/MS/MS-pro/xD)

•ForLenovoB470:USB2.0x4(onecombowith

E-SATA)

ForLenovoB470e:USB2.0x3

Audio•1/8"StereoHeadphoneOutputJack

•1/8"MicrophoneInputJack

•Built-instereospeakers

•Built-inmicrophone

VideoCRTportx1,HDMIportx1

Ethernet(onthesystemboard)10/100/1000MEthernet

PCIExpressMiniCardslot•1slotforWLANcard(halfsize)

•1slotforWWANcard(fullsize)(Selectmodelsonly)

BluetoothwirelessBuilt-inantennawithmin-USBinterface(onsomemodels)

Keyboard6-rowLenovoKeyboard

TouchpadMulti-touchtouchpad

FingerprintreaderOnsomemodels

Integratedcamera•ForLenovoB470:2.0Millionpixels,HD(option),xed

focusCMOScamera

•ForLenovoB470e:0.3Millionpixels,xedfocus

CMOScamera

Battery6Cell2200mAH,Li-Ionbattery

acpoweradapter65W/90W(onsomemodels)

Pre-installedoperatingsystem•Windows7Starter/HomeBasic/Premium/Professional

•FreeDOS

Statusindicators

Thischapterpresentsthesystemstatusindicatorsthatshowthestatusofthecomputer.

38HardwareMaintenanceManual

456

123

Table2.Statusindicators

IndicatorMeaning

1CapslockWhite:CapsLockmodeisenabled.Youcanenterallalphabeticcharacters(A-Z)in

uppercasewithoutpressingtheShiftkey.ToenableordisableCapsLockmode,press

thecapslockkey(CapsLk).

2NumericlockWhite:Theseparatenumerickeypadonthekeyboardisenabled.Toenableordisable

thenumerickeypad,pressthenumericlockkey(NmLk).

3DriveinuseWhite:Dataisbeingreadfromorwrittentotheharddiskdrive,ortheopticaldisk

drive.Whenthisindicatorison,donotputthecomputerintosleepmodeorturnoff

thecomputer.

Note:Donotmovethesystemwhilethewhitedrive-in-uselightison.Suddenphysical

shockcouldcausedriveerrors.

4Poweron•White:Systemisenabled.

•Blinkingwhite:Systemisinsleepmode.

•Off:Systemisinhibernatemodeorshutdown.

5Batterystatus•Blinkingorange(500msoff/1son):Theremainingpowerofthebatteryislessthan

5%ofitscapacity.

•Blinkingorange(100msoff/3.2son):Thebatteryisbeingchargedwiththe

remainingpowerbetween5%and20%ofitscapacity.

•Orange:Thecomputerisoperatingonbatterypowerwiththeremainingpower

between5%and20%ofitscapacity.

•Blinkingwhite:Thebatteryisbeingchargedwiththeremainingpowerbetween

20%and80%ofitscapacity.

•Off:Theremainingpowerofthebatteryismorethan80%ofitscapacity,orthe

computerisoperatingonbatterypowerwiththeremainingpowerbetween20%

and80%ofitscapacity.

6Wirelessstatus•White:Anyoneofthewirelessdevicesisenabled.

•Off:Allthewirelessdevicesaredisabled.

Chapter5.LenovoB470andB470e39

Fnkeycombinations

ThefollowingtableshowsthefunctionofeachcombinationofFnwithafunctionkey.

Table3.Functionkeycombinations

KeycombinationDescription

Fn+EscTurnonorturnofftheintegratedcamera.

Fn+F1Putyourcomputerintosleepmode.Toreturntonormaloperation,press

anykey.

Fn+F2Enableordisablethebacklightfeatureofthecomputerscreen.

Fn+F3Switchbetweenthecomputerdisplayandanexternalmonitor.

Fn+F4Congurethecomputerdisplayresolution.

Fn+F5Enableordisablethebuilt-inwirelessnetworkingfeatures.

Fn+F6Enableordisablethetouchpad.

Fn+F8Enableordisablethenumerickeypad.

Fn+F9StartorpauseplaybackofWindowsMediaPlayer.

Fn+F10StopplaybackofWindowsMediaPlayer.

Fn+F11Skiptotheprevioustrack.

Fn+F12Skiptothenexttrack.

Fn+PrtScActivatethesystemrequest.

Fn+HomeActivatethepausefunction.

Fn+EndActivatethebreakfunction.

Fn+PgUpEnableordisablethescrolllockfunction.

Fn+PgDnActivatetheinsertfunction.

Fn+up/downarrowIncreaseordecreasethedisplaybrightnesslevel.

Fn+left/rightarrowIncreaseordecreasethesoundvolume.

40HardwareMaintenanceManual

Chapter6.FRUreplacementnotices

Thischapterpresentsnoticesrelatedtoremovingandreplacingparts.Readthischaptercarefullybefore

replacinganyFRU.

ExternalCRUstatementtocustomers:

Someproblemswithyourproductcanberesolvedwithareplacementpartyoucaninstallyourself,called

a“CustomerReplaceableUnit”or“CRU.”SomeCRUsaredesignatedasSelf-serviceCRUsandothers

aredesignatedasOptional-serviceCRUs.InstallationofSelf-serviceCRUsisyourresponsibility;youmay

requestthatLenovoinstallsanOptional-serviceCRUaccordingtothewarrantyserviceforyourproduct.

WhereyouareinstallingtheCRU,LenovowillshiptheCRUtoyou.CRUinformationandreplacement

instructionsareshippedwithyourproductandareavailablefromLenovoatanytimeuponrequest.Y oumay

ndalistofCRUsinthepublicationsthatshipwithyourproductorathttp://www.lenovo.com/CRUs.You

mayberequiredtoreturnthedefectivepartthatisreplacedbytheCRU.Whenreturnisrequired:(1)return

instructions,aprepaidshippinglabel,andacontainerwillbeincludedwiththereplacementCRU;and(2)you

maybechargedforthereplacementCRUifLenovodoesnotreceivethedefectivepartwithinthirty(30)days

ofyourreceiptofthereplacementCRU.SeeyourLenovoLimitedWarrantydocumentationforfulldetails.

Screwnotices

Loosescrewscancauseareliabilityproblem.IntheLenovonotebookcomputer,thisproblemisaddressed

withspecialnylon-coatedscrewsthathavethefollowingcharacteristics:

•Theymaintaintightconnections.

•Theydonoteasilycomeloose,evenwithshockorvibration.

•Theyarehardertotighten.

•Eachoneshouldbeusedonlyonce.

Dothefollowingwhenyouservicethismachine:

•Keepthescrewkitinyourtoolbag.

•Alwaysusenewscrews.

•Useatorquescrewdriverifyouhaveone.

Tightenscrewsasfollows:

•Plastictoplastic

Turnanadditional90degreesafterthescrewheadtouchesthesurfaceoftheplasticpart:

•Logiccardtoplastic

Turnanadditional180degreesafterthescrewheadtouchesthesurfaceofthelogiccard:

©CopyrightLenovo2011,201241

•T orquedriver

Ifyouhaveatorquedriver,refertothe“Torque”columnforeachstep.

•Makesurethatyouusethecorrectscrew.Ifyouhaveatorquescrewdriver,tightenallscrewsrmlytothe

torqueshowninthetable.Neveruseascrewthatyouremoved.Useanewone.Makesurethatall

ofthescrewsaretightenedrmly.

•Ensuretorquescrewdriversarecalibratedcorrectlyfollowingcountryspecications.

42HardwareMaintenanceManual

Chapter7.RemovingandreplacingaFRU

ThischapterpresentsdirectionsanddrawingsforuseinremovingandreplacingaFRU.Besuretoobserve

thefollowinggeneralrules:

1.Donottrytoserviceanycomputerunlessyouhavebeentrainedandcertied.Anuntrainedpersonruns

theriskofdamagingparts.

2.BeforereplacinganyFRU,reviewChapter6“FRUreplacementnotices”onpage41.

3.BeginbyremovinganyFRUsthathavetoberemovedbeforereplacingthefailedFRU.SuchFRUsare

listedineachFRUreplacementsection.Removethemintheorderinwhichtheyarelisted.

4.FollowthecorrectsequenceinthestepsforremovingaFRU,asgiveninthedrawingsbythenumbers

insquarecallouts.

5.WhenturningascrewtoreplaceaFRU,turnitinthedirectionasgivenbythearrowinthedrawing.

6.WhenremovingaFRU,moveitinthedirectionasgivenbythearrowinthedrawing.

7.ToputthenewFRUinplace,reversetheremovalprocedureandfollowanynotesthatpertainto

replacement.Forinformationaboutconnectingandarranginginternalcables,seeChapter8“Locations”

onpage69.

8.WhenreplacingaFRU,usethecorrectscrew(s)asshownintheprocedures.

DANGER

BeforeremovinganyFRU,turnoffthecomputer,unplugallpowercordsfromelectricaloutlets,

removethebatterypack,andthendisconnectanyinterconnectingcables.

Attention:AfterreplacingaFRU,donotturnonthecomputeruntilyouhavemadesurethatallscrews,

springs,andothersmallpartsareinplaceandnonearelooseinsidethecomputer.Verifythisbyshaking

thecomputergentlyandlisteningforrattlingsounds.Metallicpartsormetalakescancauseelectrical

shortcircuits.

Attention:Thesystemboardissensitiveto,andcanbedamagedby,electrostaticdischarge.Before

touchingit,establishpersonalgroundingbytouchingagroundpointwithonehandorbyusingan

electrostaticdischarge(ESD)strap(P/N6405959).