Lenovo ThinkPad S230u, ThinkPad Twist Hardware Maintenance Manual

HardwareMaintenanceManual

ThinkPadS230u

Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadthegeneralinformation

underAppendixA“Notices”onpage93.

ThirdEdition(January2014)

©CopyrightLenovo2012,2014.

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

Contents

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

Chapter1.Safetyinformation......1

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

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

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

Handlingdevicesthataresensitivetoelectrostatic

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

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

Safetynotices(multilingualtranslations)......4

Chapter2.Importantservice

information..............21

StrategyforreplacingFRUs.........21

Strategyforreplacingaharddiskdrive,a solid-statedrive,oranmSATAsolid-state

drive.................22

Importantnoticeforreplacingasystem

board................22

Howtouseerrormessage........22

StrategyforreplacingFRUsforCTO,CMV ,and

GAV...................22

Productdeﬁnition............22

FRUidentiﬁcationforCTO,CMV ,andGAV

products...............23

Chapter3.Generalcheckout.....25

Whattodoﬁrst..............25

Checkoutguide..............26

LenovoSolutionCenter.........26

Quicktestprograms...........26

UEFIdiagnosticprogram.........27

Bootablediagnosticprograms.......27

Powersystemcheckout...........28

Checkingtheacpoweradapter......28

Checkingoperationalcharging......29

Checkingthebatterypack........29

Checkingthebackupbattery.......29

RecoveringyouroperatingsystemifWindows

8failstostart.............33

Creatingandusingrecoverymedia.....33

Passwords................34

Power-onpassword...........35

Harddiskpassword...........35

Supervisorpassword..........35

Howtoremovethepower-onpassword...35 Howtoremovetheharddiskpassword...36

Powermanagement............36

Sleepmode..............36

Hibernationmode...........37

Wirelessoffmode...........37

Symptom-to-FRUindex...........37

Numericerrorcodes..........38

Errormessages............39

No-beepsymptoms...........39

Beepsymptoms............40

LCD-relatedsymptoms.........40

Intermittentproblems..........41

Undeterminedproblems.........41

Chapter5.Statusindicators.....43

Chapter6.Specialkeys........45

Chapter7.Locations.........47

Locatingcomputercontrols,connectors,and

indicators.................47

Frontview...............47

Rearview...............48

Bottomview..............48

LocatingFRUsandCRUs..........48

MajorFRUsandCRUs..........50

LCDFRUs..............52

MiscellaneouspartsandotherFRUs....53

LookingupFRUinformation.........53

Chapter4.Relatedservice

information..............31

Restoringthefactorycontentsbyusingthe

RecoveryDiscSet.............31

RecoveryoverviewfortheWindows8operating

system..................32

Refreshingyourcomputer........32

Resettingyourcomputertothefactorydefault

settings................32

Usingtheadvancedstartupoptions....33

©CopyrightLenovo2012,2014

Chapter8.FRUreplacement

notices................55

Screwnotices...............55

Retainingserialnumbers...........56

Restoringtheserialnumberofthesystem

unit.................56

RetainingtheUUID...........57

ReadingorwritingtheECAinformation...57

Chapter9.Removingorreplacinga

FRU..................59

Beforeservicingthecomputer........60

Disablingthebuilt-inbattery.......60

RemovingtheSIMcard.........60

1010Harddiskdriveorsolid-statedrive....60

1020Keyboard..............62

1030PCIExpressMiniCardforwirelessLAN..64 1040PCIExpressMiniCardforwirelessWANor

mSATAsolid-statedrive...........65

1050Keyboardbezel,backupbattery,andspeaker

assembly.................68

1060Batterypack.............71

1070Proximity-sensorcables.........72

1080Proximity-sensorcards.........73

1090Thermalfanassemblyandharddiskdriveor

solid-statedriveconnector..........75

1100LCDunit...............77

1110DC-inconnector............80

1120Systemboardandbasecoverassembly..81

2010Buttonbezel.............84

2020LCDpanel..............84

2030Buttonboard.............85

2040Integratedcamera...........86

2050Hinge................87

2060Wirelessantennaassembly,LCDcable assembly,powercableassembly,andLCDrear

coverassembly..............89

AppendixA.Notices..........93

Electronicemissionsnotices.........94

Trademarks................94

iiHardwareMaintenanceManual

Aboutthismanual

ThismanualcontainsserviceandreferenceinformationforthefollowingThinkPad

ThinkPadS230uMachineType3347and20C4

products.

Usethismanualalongwiththeadvanceddiagnosticteststotroubleshootproblems.

Important:

ThismanualisintendedonlyfortrainedservicetechnicianswhoarefamiliarwithThinkPadproducts.Use thismanualalongwiththeadvanceddiagnosticteststotroubleshootproblemseffectively. BeforeservicingaThinkPadproduct,besuretoreadalltheinformationunderChapter1“Safety information”onpage1

andChapter2“Importantserviceinformation”onpage21.

©CopyrightLenovo2012,2014

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Chapter1.Safetyinformation

Thischapterpresentsfollowingsafetyinformationthatyouneedtobefamiliarwithbeforeyouservicea ThinkPadnotebookcomputer.

•“Generalsafety”onpage1

•“Electricalsafety”onpage2

•“Safetyinspectionguide”onpage3

•“Handlingdevicesthataresensitivetoelectrostaticdischarge”onpage3

•“Groundingrequirements”onpage4

•“Safetynotices(multilingualtranslations)”onpage4

Generalsafety

Followtheserulestoensuregeneralsafety:

•Observegoodhousekeepingintheareaofthemachinesduringandaftermaintenance.

•Whenliftinganyheavyobject:

1.Ensurethatyoucanstandsafelywithoutslipping.

2.Distributetheweightoftheobjectequallybetweenyourfeet.

3.Useaslowliftingforce.Nevermovesuddenlyortwistwhenyouattempttolift.

4.Liftbystandingorbypushingupwithyourlegmuscles;thisactionremovesthestrainfromthe musclesinyourback.Donotattempttoliftanyobjectthatweighsmorethan16kg(35lb)orthat

youthinkistooheavyforyou.

•Donotperformanyactionthatcauseshazardstothecustomer,orthatmakestheequipmentunsafe.

•Beforeyoustartthemachine,ensurethatotherservicetechniciansandthecustomer'spersonnelare notinahazardousposition.

•Placeremovedcoversandotherpartsinasafeplace,awayfromallpersonnel,whileyouareservicing themachine.

•Keepyourtoolcaseawayfromwalkareassothatotherpeoplewillnottripoverit.

•Donotwearlooseclothingthatcanbetrappedinthemovingpartsofamachine.Ensurethatyoursleeves arefastenedorrolledupaboveyourelbows.Ifyourhairislong,fastenit.

•Inserttheendsofyournecktieorscarfinsideclothingorfastenitwithanonconductiveclip,about8 centimeters(3inches)fromtheend.

•Donotwearjewelry,chains,metal-frameeyeglasses,ormetalfastenersforyourclothing.

Attention:Metalobjectsaregoodelectricalconductors.

•Wearsafetyglasseswhenyouarehammering,drilling,soldering,cuttingwire,attachingsprings,using solvents,orworkinginanyotherconditionsthatmightbehazardoustoyoureyes.

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

•Reinstallallcoverscorrectlybeforereturningthemachinetothecustomer.

•Fanlouversonthemachinehelptopreventoverheatingofinternalcomponents.Donotobstructfan louversorcoverthemwithlabelsorstickers.

©CopyrightLenovo2012,2014

Electricalsafety

Observethefollowingruleswhenworkingonelectricalequipment.

Important:

Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoftmaterial thatdoesnotinsulateyouwhenworkingwithliveelectricalcurrents. Manycustomershave,neartheirequipment,rubberﬂoormatsthatcontainsmallconductiveﬁbersto 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,isnearyoutoswitchoffthepower,if

necessary.

–Useonlyonehandwhenworkingwithpowered-onelectricalequipment;keeptheotherhandinyour

pocketorbehindyourback.

Attention:Anelectricalshockcanoccuronlywhenthereisacompletecircuit.Byobservingtheabove rule,youcanpreventacurrentfrompassingthroughyourbody.

–Whenusingtesters,setthecontrolscorrectlyandusetheapprovedprobeleadsandaccessoriesfor

thattester.

–Standonsuitablerubbermats(obtainedlocally,ifnecessary)toinsulateyoufromgroundssuchas

metalﬂoorstripsandmachineframes. Observethespecialsafetyprecautionswhenyouworkwithveryhighvoltages;Instructionsforthese precautionsareinthesafetysectionsofmaintenanceinformation.Useextremecarewhenmeasuring highvoltages.

•Regularlyinspectandmaintainyourelectricalhandtoolsforsafeoperationalcondition.

•Donotusewornorbrokentoolsandtesters.

•Neverassumethatpowerhasbeendisconnectedfromacircuit.First,checkthatithasbeenpoweredoff.

•Alwayslookcarefullyforpossiblehazardsinyourworkarea.Examplesofthesehazardsaremoistﬂoors, nongroundedpowerextensioncables,powersurges,andmissingsafetygrounds.

•Donottouchliveelectricalcircuitswiththereﬂectivesurfaceofaplasticdentalmirror.Thesurfaceis conductive;suchtouchingcancausepersonalinjuryandmachinedamage.

•Donotservicethefollowingpartswiththepoweronwhentheyareremovedfromtheirnormaloperating placesinamachine: –Powersupplyunits –Pumps –Blowersandfans –Motorgenerators –Similarunitstolistedabove Thispracticeensurescorrectgroundingoftheunits.

•Ifanelectricalaccidentoccurs:

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–Usecaution;donotbecomeavictimyourself. –Switchoffpower. –Sendanotherpersontogetmedicalaid.

Safetyinspectionguide

Thepurposeofthisinspectionguideistoassistyouinidentifyingpotentiallyunsafeconditions.Aseach machinewasdesignedandbuilt,requiredsafetyitemswereinstalledtoprotectusersandservicetechnicians frominjury.Thisguideaddressesonlythoseitems.Y oushouldusegoodjudgmenttoidentifypotential safetyhazardsduetoattachmentofnon- ThinkPadfeaturesoroptionsnotcoveredbythisinspectionguide.

Ifanyunsafeconditionsarepresent,youmustdeterminehowserioustheapparenthazardcouldbeand whetheryoucancontinuewithoutﬁrstcorrectingtheproblem.

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.Thepowercordshouldbetheauthorizedtypespeciﬁedforyourcomputer.Goto:

http://www.lenovo.com/serviceparts-lookup.

c.Insulationmustnotbefrayedorworn.

4.Checkforcrackedorbulgingbatteries.

5.Removethecover.

6.Checkforanyobviousnon-ThinkPadalterations.Usegoodjudgmentastothesafetyofany non-ThinkPadalterations.

7.Checkinsidetheunitforanyobviousunsafeconditions,suchasmetalﬁlings,contamination,wateror otherliquids,orsignsofﬁreorsmokedamage.

8.Checkforworn,frayed,orpinchedcables.

9.Checkthatthepower-supplycoverfasteners(screwsorrivets)havenotbeenremovedortamperedwith.

Handlingdevicesthataresensitivetoelectrostaticdischarge

Anycomputerpartcontainingtransistorsorintegratedcircuits(ICs)shouldbeconsideredsensitiveto electrostaticdischarge(ESD.)ESDdamagecanoccurwhenthereisadifferenceinchargebetweenobjects. ProtectagainstESDdamagebyequalizingthechargesothatthemachine,thepart,theworkmat,andthe personhandlingthepartareallatthesamecharge.

Notes:

Chapter1.Safetyinformation3

1.Useproduct-speciﬁcESDprocedureswhentheyexceedtherequirementsnotedhere.

2.EnsurethattheESDprotectivedevicesyouusehavebeencertiﬁed(ISO9000)asfullyeffective.

WhenhandlingESD-sensitiveparts:

•Keepthepartsinprotectivepackagesuntiltheyareinsertedintotheproduct.

•Avoidcontactwithotherpeople.

•Wearagroundedwriststrapagainstyourskintoeliminatestaticonyourbody.

•Preventthepartfromtouchingyourclothing.Mostclothingisinsulativeandretainsachargeeven whenyouarewearingawriststrap.

•Useagroundedworkmattoprovideastatic-freeworksurface.Thematisespeciallyusefulwhen handlingESD-sensitivedevices.

•Selectagroundingsystem,suchasthoselistedbelow,toprovideprotectionthatmeetsthespeciﬁc servicerequirement.

Note:TheuseofagroundingsystemtoguardagainstESDdamageisdesirablebutnotnecessary.

–AttachtheESDgroundcliptoanyframeground,groundbraid,orgreen-wireground.

–Whenworkingonadouble-insulatedorbattery-operatedsystem,useanESDcommongroundor

referencepoint.Y oucanusecoaxorconnector-outsideshellsonthesesystems.

–Usetheroundgroundprongoftheacplugonac-operatedcomputers.

Groundingrequirements

Electricalgroundingofthecomputerisrequiredforoperatorsafetyandcorrectsystemfunction.Proper groundingoftheelectricaloutletcanbeveriﬁedbyacertiﬁedelectrician.

Safetynotices(multilingualtranslations)

Thesafetynoticesinthissectionareprovidedinthefollowinglanguages:

•English

•Arabic

•BrazilianPortuguese

•French

•German

•Hebrew

•Japanese

•Korean

•Spanish

•T raditionalChinese

DANGER

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DANGER

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VORSICHT

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Chapter2.Importantserviceinformation

Thischapterpresentsfollowingimportantserviceinformationthatappliestoallmachinetypessupportedby thismanual:

•“StrategyforreplacingFRUs”onpage21 –“Strategyforreplacingaharddiskdrive,asolid-statedrive,oranmSATAsolid-statedrive”onpage22 –“Importantnoticeforreplacingasystemboard”onpage22 –“Howtouseerrormessage”onpage22

•“StrategyforreplacingFRUsforCTO,CMV,andGAV”onpage22 –“Productdeﬁnition”onpage22 –“FRUidentiﬁcationforCTO,CMV ,andGAVproducts”onpage23

Important:

•AdvisecustomerstocontacttheLenovoCustomerSupportCenteriftheyneedanyassistancein obtainingorinstallinganysoftwareﬁxes,drivers,andUEFIBIOSdownloads.Telephonenumbersfor LenovoSupportareavailableat: http://www.lenovo.com/support/phone

•SystemDisassembly/ReassemblyvideosthatshowtheFRUremovalsorreplacements fortheLenovo http://www.lenovoservicetraining.com/ion/

StrategyforreplacingFRUs

authorizedservicetechniciansareavailableinthefollowingsupportsite:

Beforereplacingparts:

Ensurethatallsoftwareﬁxes,drivers,andUEFIBIOSdownloadsareinstalledbeforereplacinganyFRUs listedinthismanual.

Afterasystemboardisreplaced,ensurethatthelatestUEFIBIOSisloadedtothesystemboardbefore completingtheserviceaction.

Todownloadsoftwareﬁxes,drivers,andUEFIBIOS,doasfollows:

1.Gotohttp://www.lenovo.com/support.

2.EntertheproductnumberofthecomputerorpresstheRunAuto-Detectbuttononthescreen.

3.SelectDrivers&Software.

4.Followthedirectionsonthescreenandinstallthenecessarysoftware.

UsethefollowingstrategytopreventunnecessaryexpenseforreplacingandservicingFRUs:

•IfyouareinstructedtoreplaceaFRUbutthereplacementdoesnotcorrecttheproblem,reinstall theoriginalFRUbeforeyoucontinue.

•Somecomputershavebothaprocessorboardandasystemboard.Ifyouareinstructedtoreplaceeither theprocessorboardorthesystemboard,andreplacingoneofthemdoesnotcorrecttheproblem, reinstallthatboard,andthenreplacetheotherone.

•IfanadapteroradeviceconsistsofmorethanoneFRU,anyoftheFRUsmightbethecauseoftheerror. Beforereplacingtheadapterordevice,removetheFRUs,onebyone,toseeifthesymptomschange. ReplaceonlytheFRUthatchangedthesymptoms.

Attention:Thesetupconﬁgurationonthecomputeryouareservicingmighthavebeencustomized.Running

AutomaticConﬁgurationmightalterthesettings.Notethecurrentconﬁgurationsettings(usingtheView Conﬁgurationoption);then,whenservicehasbeencompleted,verifythatthosesettingsremainineffect.

Strategyforreplacingaharddiskdrive,asolid-statedrive,oranmSA TA solid-statedrive

Alwaystrytorunalow-levelformatbeforereplacingaharddiskdrive.Thiswillcauseallcustomerdataon theharddisktobelost.Besurethatthecustomerhasacurrentbackupofthedatabeforedoingthistask.

Attention:Thedrivestartupsequenceinthecomputeryouareservicingmighthavebeenchanged.Be extremelycarefulduringwriteoperationssuchascopying,saving,orformatting.Ifyouselectanincorrect drive,dataorprogramscanbeoverwritten.

IfthecomputerisequippedwithbothaharddiskdriveandanmSATAsolid-statedrive,donotusethe mSATAsolid-statedriveasabootabledevice.ThemSATAsolid-statedriveisusedforthe“cache”function andtosupporttheIntel solid-statedrivebythemselves.Otherwise,the“cache”functionwillnotworkandtheIntelRapidStart Technologycannotbeusedanymore.

Attention:EnsurethatyoupartitionthemSATAsolid-statedriveafterinstallingitonthecomputeryouare servicing.Otherwise,themSAT Asolid-statedrivewillnotfunctioncorrectly.Forinstructionsonhowto partitionanmSAT Asolid-statedrive,gotohttp://www.lenovo.com/support/msata-fru.

RapidStartTechnology.WerecommendthatusersdonotreplacethemSATA

Importantnoticeforreplacingasystemboard

Somecomponentsmountedonasystemboardareverysensitive.Improperhandlingofasystemboardcan causedamagetothosecomponents,andmightcauseasystemmalfunction.

Attention:Whenhandlingasystemboard:

•Donotdropasystemboardorapplyanyexcessiveforcetoit.

•Avoidroughhandlingofanykind.

•AvoidbendingasystemboardandhardpushingtopreventcrackingateachBallGridArray(BGA)chipset.

Howtouseerrormessage

Usetheerrorcodesdisplayedonthescreentodiagnosefailures.Ifmorethanoneerrorcodeisdisplayed, beginthediagnosiswiththeﬁrsterrorcode.Whatevercausestheﬁrsterrorcodemightalsocausefalse errorcodes.Ifnoerrorcodeisdisplayed,seewhethertheerrorsymptomislistedintheSymptom-to-FRU Indexforthecomputeryouareservicing.

StrategyforreplacingFRUsforCTO,CMV ,andGAV

Productdeﬁnition

DynamicConﬁgureT oOrder(CTO)

ThisprovidestheabilityforacustomertoconﬁgureaLenovosolutionfromaneSite,andhavethis conﬁgurationsenttofulﬁllment,whereitisbuiltandshippeddirectlytothecustomer.Themachinelabel, ProductEntitlementWarehouse(PEW),andeSupportwillloadtheseproductsasthe4-digitMTand3-digit model,wheremodel=“CTO”(Example:1829-CTO).

22HardwareMaintenanceManual

CustomModelVariant(CMV)

ThisisauniqueconﬁgurationthathasbeennegotiatedbetweenLenovoandthecustomer.Aunique4-digit MTand3-digitmodelisprovidedtothecustomertoplaceorders(Example:1829-W15).ACMVisaspecial bidoffering.Therefore,itisNOTgenerallyannounced.

•TheMTMportionofthemachinelabelisthe4-digitMTand3-digitmodel,wheremodel=“CTO” (Example:1829-CTO).ThePRODUCTIDportionofthemachinelabelisthe4-digitMTand3-digitCMV model(Example:1829-W15).

•ThePEWrecordisthe4-digitMTand3-digitmodel,wheremodel=“CTO”(Example:1829-CTO).

•eSupportwillshowboththeCTOandCMVmachinetypemodels(Example:1829-CTOand1829-W15 willbefoundontheeSupportsite.)

GeneralAnnounceVariant(GAV)

Thisisastandardmodel(ﬁxedconﬁguration).GAVsareannouncedandofferedtoallcustomers.The MTMportionofthemachinelabelisa4-digitMTand3-digitmodel,wheremodel=a“ﬁxedpartnumber”, not“CTO”(Example:1829-F1U).Also,PEW,andeSupportwilllisttheseproductsunderthesameﬁxed modelnumber.

FRUidentiﬁcationforCTO,CMV,andGAVproducts

TherearetwoinformationresourcestoidentifywhichFRUsareusedtosupportCTO,CMV,andGAV products.ThesesourcesarePEWandeSupport.

UsingPEW

•PEWistheprimarysourceforidentifyingFRUpartnumbersandFRUdescriptionsforthekeycommodities forCTO,CMVandGAVproductsataMT-serialnumberlevel.Anexampleofkeycommoditiesarehard diskdrives,systemboards,microprocessors,LiquidCrystalDisplays(LCDs),andmemory.

•Remember,allCTOandCMVproductsareloadedinPEWunderthe4-digitMTand3-digitmodel,where model=“CTO”(Example:1829-CTO).GAVsareloadedinPEWunderthe4-digitMTand3-digitmodel, wheremodel=a“ﬁxedpartnumber”,not“CTO”(Example:1829-F1U).

•PEWcanbeaccessedatthefollowingWebsite: http://www.lenovo.com/support/site.wss/document.do?lndocid=LOOK-WARNTY SelectWarrantylookup.InputtheMTandtheSerialnumberandthelistofkeycommoditieswillbe returnedinthePEWrecordunderCOMPONENTINFORMA TION.

UsingeSupport

Forkeycommodities(examples-harddiskdrive,systemboard,microprocessor ,LCD,andmemory)

eSupportcanbeusedtoviewthewarrantystatusofkeycommoditiesbuiltinaparticularmachineserial(this isthesamerecordfoundinPEW).eSupportcanbeaccessedathttp://www.lenovo.com/support.

Toviewthewarrantystatusofthekeycommoditiesonyourcomputer,dothefollowing:

1.Gotohttp://www.lenovo.com/support.

2.ClickWarranty&Services.

3.ClickCheckWarrantyStatus.

4.OntheWarrantyStatusLookuppage,clickPartsLookup.

5.T ypeyourmachinetypeandserialnumber,andthenclickSubmit.

FortheremainingFRUs(thecompletelistofFRUsattheMTmodellevel)

eSupportalsocanbeusedtoviewthecompletelistofFRUsforamachinetypeandmodel.

Chapter2.Importantserviceinformation23

ToviewthecompletelistofFRUs,dothefollowing:

1.Gotohttp://www.lenovo.com/support.

2.ClickParts&Accessories.

3.ProvideyourproductinformationorclickLaunchtoautomaticallyidentifyyourproduct.

4.ClickProduct&PartsDetail.

5.OnthePRODUCTANDPARTSDETAILpage,clickPartsDetailtoviewthecompletelistofFRUs.

24HardwareMaintenanceManual

+ 72 hidden pages

Lenovo ThinkPad S230u, ThinkPad Twist Hardware Maintenance Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Aboutthismanual

Chapter1.Safetyinformation

Generalsafety

Electricalsafety

Safetyinspectionguide

Handlingdevicesthataresensitivetoelectrostaticdischarge

Groundingrequirements

Safetynotices(multilingualtranslations)

Chapter2.Importantserviceinformation

StrategyforreplacingFRUs

Strategyforreplacingaharddiskdrive,asolid-statedrive,oranmSA TA solid-statedrive

Importantnoticeforreplacingasystemboard

Howtouseerrormessage

StrategyforreplacingFRUsforCTO,CMV ,andGAV