Lenovo C40 Series Owner's manual

LenovoC40SeriesAll-In-OneComputer
HardwareMaintenanceManual
MachineTypes:0B4[C40-30]/0B5[C40-05]

LenovoC40SeriesAll-In-OneComputer
HardwareMaintenanceManual
MachineTypes:0B4[C40-30]/0B5[C40-05]

FirstEdition(October2014)28th
©CopyrightLenovo2014.
LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwarearedeliveredpursuantaGeneralServices
Administration“GSA”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.
GS-35-05925

Contents
Chapter1.Abotthismanal.....1
ImportantSafetyInformation.........1
Chapter2.Safetyinformation.....3
Generalsafety...............3
Electricalsafety..............3
Safetyinspectionguide...........5
Handlingelectrostaticdischarge-sensitive
devices.................5
Groundingrequirements...........6
Safetynotices...............6
Chapter3.Generalinformation....9
Specifications...............9
Chapter4.GeneralCheckot.....11
Chapter5.UsingtheSetpUtility...13
StartingtheLenovoBIOSSetupUtilityprogram.13
Viewingandchangingsettings........13
Usingpasswords..............13
Enablingordisablingadevice........15
Selectingastartupdevice..........16
ExitingtheLenovoBIOSSetupUtilityprogram..17
Chapter6.Symptom-to-FRUIndex..19
Harddiskdrivebooterror..........19
PowerSupplyProblems...........19
POSTerrorcodes.............20
Undeterminedproblems...........20
Chapter7.Replacinghardware....21
Generalinformation.............21
Replacingthekeyboardandmouse......22
Replacingtheadapter............22
Removingthestandbase..........23
Removingthefootcover...........24
Replacingthememorymodule........25
Replacingtheharddiskdrive.........26
Removingthestandholder..........27
Removingthemiddlecover.........28
Replacingtheopticaldrive..........31
Replacingthepowerswitchboard.......33
Replacingtheconverterboard........34
RemovingtheEMIcover...........35
Replacingthesystemfan..........36
Replacingtheheat-sink...........37
Replacingthespeakersystem........39
ReplacingtheWi-icard...........40
Removingthereardeco...........41
Replacingthemotherboard..........43
Replacingthecamera............44
ReplacingtheLEDpanelmodule.......46
Chapter8.FRUlists..........49
Chapter9.FRUlists..........59
Chapter10.Generalinformation...69
AdditionalServiceInformation........69
©CopyrightLenovo2014iii

ivLenovoC40SeriesAll-In-OneComputerHardwareMaintenanceManual

Chapter1.Abotthismanal
ThismanualcontainsserviceandreferenceinformationforLenovoC40–30/C40–05All-In-Onecomputers
listedonthecover.ItisintendedonlyfortrainedservicerswhoarefamiliarwithLenovocomputerproducts.
BeforeservicingaLenovoproduct,besuretoreadtheSafetyInformation.
ThedescriptionoftheTV-tunercardinthismanualappliesonlytocomputerswithaTV-tunercardinstalled.
ItdoesnotapplytocomputerswithoutaTV-tunercard.
ImportantSafetyInformation
BesuretoreadallCAUTIONandDANGERsectionsinthismanualbeforefollowinganyoftheinstructions.
VeuillezliretouteslesconsignesdetypeDANGERetATTENTIONduprésentdocumentavantd’exécuter
lesinstructions.
LesenSieunbedingtalleHinweisevomT yp“ACHTUNG”oder“VORSICHT”indieserDokumentation,bevor
SieirgendwelcheVorgängedurchführen
LeggereleistruzioniintrodottedaATTENZIONEePERICOLOpresentinelmanualeprimadieseguireuna
qualsiasidelleistruzioni
Certifique-sedelertodasasinstruçõesdecuidadoeperigonestemanualantesdeexecutarqualquer
umadasinstruções
Esimportantequeleatodaslasdeclaracionesdeprecauciónydepeligrodeestemanualantesdeseguir
lasinstrucciones.
©CopyrightLenovo20141

2LenovoC40SeriesAll-In-OneComputerHardwareMaintenanceManual

Chapter2.Safetyinformation
Thischaptercontainsthesafetyinformationthatyouneedtobefamiliarwithbeforeservicingacomputer.
Generalsafety
ollowtheserulestoensuregeneralsafety:
•Keeptheareasaroundthecomputerclearandcleanduringandaftermaintenance.
•Whenliftinganyheavyobject:
1.Ensureyoucanstandsafelywithoutslipping.
2.Distributetheweightoftheobjectequallyacrossbothfeet.
3.Liftslowly.Nevermovesuddenlyortwistwhenyouattempttolift.
4.Liftbystandingorbypushingupwithyourlegmuscles;thisactionremovesthestrainfromthe
musclesinyourback.
Donotattempttoliftanyobjectsthatweighmorethan16kg(35lb)orobjectsthatyouthinkare
tooheavyforyou.
•Donotperformanyactionthatwouldcreateahazardforthecustomer,orwouldmakethecomputer
unsafe.
•Beforeyoustartthecomputer,ensurethatotherservicerepresentativesandcustomerpersonnelarenot
inapositionthatwouldcreateahazardforthem.
•Placeremovedcoversandotherpartsinasafeplace,awayfromallpersonnel,whileyouareservicingthe
computer.
•Keepyourtoolcaseawayfromareasthatpeoplemaywalkthroughtoensureno-onetripsoverit.
•Donotwearlooseclothingthatcanbetrappedinthemovingpartsofamachine.Ensurethatyoursleeves
arefastenedorrolledupaboveyourelbows.Ifyourhairislong,tieorfastenitback.
•Inserttheendsofyournecktieorscarfinsideclothingorfastenitwithanon-conductiveclip,
approximately8centimeters(3inches)fromtheend.
•Donotwearjewelry,chains,metal-frameeyeglasses,ormetalfastenersforyourclothing.
Remember:Metalobjectsaregoodelectricalconductors.
•Wearsafetyglasseswhenyouare:hammering,drillingsoldering,cuttingwire,attachingsprings,using
solvents,orworkinginanyotherconditionsthatmightbehazardoustoyoureyes.
•Afterservice,reinstallallsafetyshields,guards,labels,andgroundwires.Replaceanysafetydevice
thatiswornordefective.
•Reattachallcoverscorrectlybeforereturningthecomputertothecustomer.
Electricalsafety
CAUTION:
Electricalcrrentfrompower,telephone,andcommnicationcablescanbehazardos.T oavoid
personalinjryoreqipmentdamage,disconnectanyattachedpowercords,telecommnication
cables,networkcables,andmodemcablesbeforeyoopenthecomptercovers,nlessinstrcted
otherwiseintheinstallationandconfigrationprocedres.
©CopyrightLenovo20143

Observethefollowingruleswhenworkingonelectricalequipment.
Important:Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoft
materialthatdoesnotinsulateyouwhenworkingwithliveelectricalcurrents.Manycustomershaverubber
floormatsneartheirequipmentthatcontainsmallconductivefiberstodecreaseelectrostaticdischarge.
•indtheroomemergencypower-off(EPO)switch,disconnectingswitch,orelectricaloutlet.Ifanelectrical
accidentoccurs,youcanthenoperatetheswitchorunplugthepowercordquickly.
•Donotworkaloneunderhazardousconditionsornearequipmentthathashazardousvoltages.
•Disconnectallpowerbefore:
–Performingamechanicalinspection
–Workingnearpowersupplies
–RemovingorinstallingieldReplaceableUnits(RUs)
•Beforeyoustarttoworkonthecomputer,unplugthepowercord.Ifyoucannotunplugit,askthe
customertopower-offtheelectricaloutletthatsuppliespowertothemachineandtolocktheelectrical
outletintheoffposition.
•Ifyouneedtoworkonacomputerthathasexposedelectricalcircuits,observethefollowingprecautions:
–Ensurethatanotherperson,familiarwiththepower-offcontrols,isnearyou.
Remember:Anotherpersonmustbetheretoswitchoffthepower,ifnecessary.
–Useonlyonehandwhenworkingwithpowered-onelectricalequipment;keeptheotherhandinyour
pocketorbehindyourback.
Remember:Theremustbeacompletecircuittocauseelectricalshock.Byobservingtheaboverule,
youmaypreventacurrentfrompassingthroughyourbody.
–Whenusingatester,setthecontrolscorrectlyandusetheapprovedprobeleadsandaccessoriesfor
thattester.
–Standonsuitablerubbermats(obtainedlocally,ifnecessary)toinsulateyoufromgroundssuchas
metalfloorstripsandmachineframes.
Observethespecialsafetyprecautionswhenyouworkwithveryhighvoltages;theseinstructionsarein
thesafetysectionsofthemaintenanceinformation.Useextremecarewhenmeasuringhighvoltages.
•Regularlyinspectandmaintainyourelectricalhandtoolstoensuretheyaresafetouse.
•Donotusewornorbrokentoolsandtesters.
•Neverassumethatpowerhasbeendisconnectedfromacircuit.irst,checkthatithasbeenpoweredoff.
•Alwayslookcarefullyforpossiblehazardsinyourworkarea.Examplesofthesehazardsarewetfloors,
non-groundedpowerextensioncables,conditionsthatmaycauseorallowpowersurges,andmissing
safetygrounds.
•Donottouchliveelectricalcircuitswiththereflectivesurfaceofaplasticdentalmirror.Thissurfaceis
conductive,andtouchingalivecircuitcancausepersonalinjuryanddamagetothecomputer.
•Donotservicethefollowingpartswiththepoweronwhentheyareremovedfromtheirnormaloperating
positionsinacomputer:
–Powersupplyunits
–Pumps
–Blowersandfans
–Motorgenerators
andsimilarunits.(Thispracticeensurescorrectgroundingoftheunits.)
•Ifanelectricalaccidentoccurs:
–Usecaution;donotbecomeavictimyourself.
4LenovoC40SeriesAll-In-OneComputerHardwareMaintenanceManual