Lenovo ThinkCentre M32 User manual

ThinkCentreM32
UserGuide

Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadandunderstandthe
“Importantsafetyinformation”onpageiiiandppendix“Notices”onpage67.
SecondEdition(January2014)
©CopyrightLenovo2013,2014
LIMITEDNDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuantaGeneralServicesdministration
“GS”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.GS-35F-05925.

Contents
Importantsafetyinformationiii
Serviceandupgrades.............iii
Staticelectricityprevention...........iii
Powercordsandpoweradapters........iv
Extensioncordsandrelateddevices.......iv
Plugsandoutlets...............v
Externaldevices...............v
Heatandproductventilation..........v
Operatingenvironment............vi
Lasercompliancestatement..........vi
Powersupplystatement...........vii
Cleaningandmaintenance..........vii
Chapter1Productoverview1
Features..................1
Specifications................3
Locations..................3
Locatingconnectors,controls,andindicators
onthefrontofyourcomputer........4
Locatingconnectorsontherearofyour
computer................5
Locatingcomponents...........7
Locatingpartsonthesystemboard.....8
Machinetypeandmodellabel........9
Chapter2Usingyourcomputer11
Frequentlyaskedquestion..........11
Usingthekeyboard.............11
Usingthewheelmouse...........11
djustingaudio..............12
Settingthevolumefromthedesktop....12
SettingthevolumefromControlPanel...12
Chapter3Youandyourcomputer13
ccessibilityandcomfort..........13
rrangingyourworkspace........13
Comfort...............13
Glareandlighting............14
ircirculation.............14
Electricaloutletsandcablelengths.....14
Registeringyourcomputer..........15
Movingyourcomputertoanothercountryor
region..................15
Voltage-selectionswitch.........15
Replacementpowercords........15
Chapter4Security17
Securityfeatures..............17
ttachingaKensington-stylecablelock.....18
Usingpasswords..............18
BIOSpasswords............18
Windowspasswords..........19
Usingandunderstandingfirewalls.......19
Protectingdataagainstviruses........19
Chapter5Installingorreplacing
hardware21
Handlingstatic-sensitivedevices.......21
Installingorreplacinghardware........21
Installingexternaloptions........21
Installingorremovingtheacpoweradapter.22
Installingorremovingtheverticalstand...23
Removingthecomputercover.......25
ReplacingtheDOMcard.........27
Replacingthememorymodule......29
Replacingthebattery..........31
Replacingthesystemboard.......32
Replacingthekeyboard.........34
Replacingthemouse..........34
Completingthepartsreplacement.....35
Chapter6UsingtheSetupUtility
program39
StartingtheSetupUtilityprogram.......39
Viewingandchangingsettings........39
Usingpasswords..............39
Passwordconsiderations.........40
Power-OnPassword..........40
dministratorPassword.........40
HardDiskPassword...........40
Setting,changing,anddeletingapassword.40
Erasinglostorforgottenpasswords(clearing
CMOS)................41
Enablingordisablingadevice........41
Selectingastartupdevice..........42
Selectingatemporarystartupdevice....42
Selectingorchangingthestartupdevice
sequence...............42
EnablingErPcompliancemode........42
ExitingtheSetupUtilityprogram.......43
Chapter7Updatingsystem
programs45
Usingsystemprograms...........45
Updating(flashing)theBIOSfromadisc....45
©CopyrightLenovo2013,2014i

Updating(flashing)theBIOSfromyouroperating
system..................46
RecoveringfromaPOST/BIOSupdatefailure..46
Chapter8Preventingproblems47
Cleaningandmaintenance..........47
Basics................47
Cleaningyourcomputer.........47
Goodmaintenancepractices.......48
Movingyourcomputer...........49
Chapter9Troubleshootingand
diagnostics51
Basictroubleshooting............51
Troubleshootingprocedure..........52
Troubleshooting..............52
udioproblems............53
Intermittentproblems..........54
Keyboard,mouse,orpointingdevice
problems...............54
Monitorproblems............55
Ethernetproblems...........57
Optionproblems............58
Printerproblems............59
Serialconnectorproblems........60
Softwareproblems...........60
USBproblems.............61
Chapter10Gettinginformation,help,
andservice63
Informationresources............63
SafetyandWarranty...........63
LenovoWebsite............63
LenovoSupportWebsite.........63
Helpandservice..............63
Usingthedocumentationanddiagnostic
program...............64
Callingforservice............64
Usingotherservices..........65
Purchasingadditionalservices......65
AppendixANotices67
Trademarks................68
AppendixBRegulatory
information69
Exportclassificationnotice..........69
Electronicemissionsnotices.........69
FederalCommunicationsCommission
DeclarationofConformity........69
Eurasiancompliancemark..........71
Brazilregulatorynotice...........71
Mexicoregulatorynotice...........71
dditionalregulatoryinformation.......71
AppendixCWEEEandrecycling
information73
ImportantWEEEinformation.........73
RecyclinginformationforJapan........73
RecyclinginformationforBrazil........74
BatteryrecyclinginformationforTaiwan.....74
BatteryrecyclinginformationfortheEuropean
Union..................74
AppendixDRestrictionofHazardous
SubstancesDirective(RoHS)77
EuropeanUnionRoHS...........77
ChinaRoHS................77
TurkishRoHS...............77
UkraineRoHS...............78
IndiaRoHS................78
AppendixEChinaEnergyLabel79
AppendixFENERGYSTARmodel
information81
Index83
iiThinkCentreM32UserGuide

Importantsafetyinformation
CAUTION:
Beforeusingthismanual,besuretoreadandunderstandalltherelatedsafetyinformationforthis
productRefertotheinformationinthissectionandthesafetyinformationintheSafety,Warranty,and
SetupGuidethatyoureceivedwiththisproductReadingandunderstandingthissafetyinformation
reducestheriskofpersonalinjuryanddamagetoyourproduct
IfyounolongerhaveacopyoftheSafety,Warranty,andSetupGuide,youcanobtainaPortableDocument
Format(PDF)versionfromtheLenovo®SupportWebsiteathttp://www.lenovo.com/support.TheLenovo
SupportWebsitealsoprovidestheSafety,Warranty,andSetupGuideandthisUserGuideinadditional
languages.
Serviceandupgrades
DonotattempttoserviceaproductyourselfunlessinstructedtodosobytheCustomerSupportCenteror
yourdocumentation.OnlyuseaServiceProviderwhoisapprovedtorepairyourparticularproduct.
Note:Somecomputerpartscanbeupgradedorreplacedbythecustomer.Upgradestypicallyare
referredtoasoptions.ReplacementpartsapprovedforcustomerinstallationarereferredtoasCustomer
ReplaceableUnits,orCRUs.Lenovoprovidesdocumentationwithinstructionswhenitisappropriatefor
customerstoinstalloptionsorreplaceCRUs.Youmustcloselyfollowallinstructionswheninstallingor
replacingparts.TheOffstateofapowerindicatordoesnotnecessarilymeanthatvoltagelevelsinsidea
productarezero.Beforeyouremovethecoversfromaproductequippedwithapowercord,alwaysmake
surethatthepoweristurnedoffandthattheproductisunpluggedfromanypowersource.Formore
informationonCRUs,refertoChapter5“Installingorreplacinghardware”onpage21.Ifyouhaveany
questionsorconcerns,contacttheCustomerSupportCenter.
lthoughtherearenomovingpartsinyourcomputerafterthepowercordhasbeendisconnected,the
followingwarningsarerequiredforyoursafety.
CAUTION:
HazardousmovingpartsKeepfingersandotherbodypartsaway
CAUTION:
BeforereplacinganyCRUs,turnoffthecomputerandwaitthreetofiveminutestoletthecomputer
coolbeforeopeningthecover
Staticelectricityprevention
Staticelectricity,althoughharmlesstoyou,canseriouslydamagecomputercomponentsandoptions.
Improperhandlingofstatic-sensitivepartscancausedamagetothepart.Whenyouunpackanoption
©CopyrightLenovo2013,2014iii

orCRU,donotopenthestatic-protectivepackagecontainingthepartuntiltheinstructionsdirectyou
toinstallit.
WhenyouhandleoptionsorCRUs,orperformanyworkinsidethecomputer,takethefollowingprecautions
toavoidstatic-electricitydamage:
•Limityourmovement.Movementcancausestaticelectricitytobuilduparoundyou.
•lwayshandlecomponentscarefully.Handleadapters,memorymodules,andothercircuitboardsbythe
edges.Nevertouchexposedcircuitry.
•Preventothersfromtouchingcomponents.
•Whenyouinstallastatic-sensitiveoptionorCRU,touchthestatic-protectivepackagecontainingthe
parttoametalexpansion-slotcoverorotherunpaintedmetalsurfaceonthecomputerforatleasttwo
seconds.Thisreducesstaticelectricityinthepackageandyourbody.
•Whenpossible,removethestatic-sensitivepartfromthestatic-protectivepackagingandinstallthepart
withoutsettingitdown.Whenthisisnotpossible,placethestatic-protectivepackagingonasmooth,
levelsurfaceandplacethepartonit.
•Donotplacethepartonthecomputercoverorothermetalsurface.
Powercordsandpoweradapters
Useonlythepowercordsandpoweradapterssuppliedbytheproductmanufacturer.
Thepowercordsshallbesafetyapproved.ForGermany,itshallbeH05VV-F,3G,0.75mm2,orbetter.For
othercountries,thesuitabletypesshallbeusedaccordingly.
Neverwrapapowercordaroundapoweradapterorotherobject.Doingsocanstressthecordinwaysthat
cancausethecordtofray,crack,orcrimp.Thiscanpresentasafetyhazard.
lwaysroutepowercordssothattheywillnotbewalkedon,trippedover,orpinchedbyobjects.
Protectpowercordandpoweradaptersfromliquids.Forinstance,donotleaveyourpowercordorpower
adapternearsinks,tubs,toilets,oronfloorsthatarecleanedwithliquidcleansers.Liquidscancausea
shortcircuit,particularlyifthepowercordorpoweradapterhasbeenstressedbymisuse.Liquidsalsocan
causegradualcorrosionofpowercordterminalsand/ortheconnectorterminalsonapoweradapter,
whichcaneventuallyresultinoverheating.
Ensurethatallpowercordconnectorsaresecurelyandcompletelypluggedintoreceptacles.
Donotuseanypoweradapterthatshowscorrosionattheacinputpinsorshowssignsofoverheating(such
asdeformedplastic)attheacinputoranywhereonthepoweradapter.
Donotuseanypowercordswheretheelectricalcontactsoneitherendshowsignsofcorrosionor
overheatingorwherethepowercordappearstohavebeendamagedinanyway.
Extensioncordsandrelateddevices
Ensurethatextensioncords,surgeprotectors,uninterruptiblepowersupplies,andpowerstripsthatyouuse
areratedtohandletheelectricalrequirementsoftheproduct.Neveroverloadthesedevices.Ifpowerstrips
areused,theloadshouldnotexceedthepowerstripinputrating.Consultanelectricianformoreinformation
ifyouhavequestionsaboutpowerloads,powerrequirements,andinputratings.
ivThinkCentreM32UserGuide

Plugsandoutlets
Ifareceptacle(poweroutlet)thatyouintendtousewithyourcomputerequipmentappearstobedamaged
orcorroded,donotusetheoutletuntilitisreplacedbyaqualifiedelectrician.
Donotbendormodifytheplug.Iftheplugisdamaged,contactthemanufacturertoobtainareplacement.
Donotshareanelectricaloutletwithotherhomeorcommercialappliancesthatdrawlargeamountsof
electricity;otherwise,unstablevoltagemightdamageyourcomputer,data,orattacheddevices.
Someproductsareequippedwithathree-prongedplug.Thisplugfitsonlyintoagroundedelectricaloutlet.
Thisisasafetyfeature.Donotdefeatthissafetyfeaturebytryingtoinsertitintoanon-groundedoutlet.If
youcannotinserttheplugintotheoutlet,contactanelectricianforanapprovedoutletadapterortoreplace
theoutletwithonethatenablesthissafetyfeature.Neveroverloadanelectricaloutlet.Theoverallsystem
loadshouldnotexceed80percentofthebranchcircuitrating.Consultanelectricianformoreinformation
ifyouhavequestionsaboutpowerloadsandbranchcircuitratings.
Besurethatthepoweroutletyouareusingisproperlywired,easilyaccessible,andlocatedclosetothe
equipment.Donotfullyextendpowercordsinawaythatwillstressthecords.
Besurethatthepoweroutletprovidesthecorrectvoltageandcurrentfortheproductyouareinstalling.
Carefullyconnectanddisconnecttheequipmentfromtheelectricaloutlet.
Externaldevices
DonotconnectordisconnectanyexternaldevicecablesotherthanUniversalSerialBus(USB)and1394
cableswhilethecomputerpowerison;otherwise,youmightdamageyourcomputer.Toavoidpossible
damagetoattacheddevices,waitatleastfivesecondsafterthecomputerisshutdowntodisconnect
externaldevices.
Heatandproductventilation
Computers,poweradapters,andmanyaccessoriescangenerateheatwhenturnedonandwhenbatteries
arecharging.lwaysfollowthesebasicprecautions:
•Donotleaveyourcomputer,poweradapter,oraccessoriesincontactwithyourlaporanypartofyour
bodyforanextendedperiodwhentheproductsarefunctioningorwhenthebatteryischarging.Your
computer,poweradapter,andmanyaccessoriesproducesomeheatduringnormaloperation.Extended
contactwiththebodycouldcausediscomfortor,potentially,askinburn.
•Donotchargethebatteryoroperateyourcomputer,poweradapter,oraccessoriesnearflammable
materialsorinexplosiveenvironments.
•Ventilationslots,fans,andheatsinksareprovidedwiththeproductforsafety,comfort,andreliable
operation.Thesefeaturesmightinadvertentlybecomeblockedbyplacingtheproductonabed,sofa,
carpet,orotherflexiblesurface.Neverblock,cover,ordisablethesefeatures.
Inspectyourdesktopcomputerfordustaccumulationatleastonceeverythreemonths.Beforeinspecting
yourcomputer,turnoffthepowerandunplugthecomputer'spowercordfromtheelectricaloutlet;then
removeanydustfromventsandperforationsinthebezel.Ifyounoticeexternaldustaccumulation,then
examineandremovedustfromtheinsideofthecomputerincludingheatsinkinletfins,powersupplyvents,
andfans.lwaysturnoffandunplugthecomputerbeforeopeningthecover.Ifpossible,avoidoperating
yourcomputerwithintwofeetofhigh-trafficareas.Ifyoumustoperateyourcomputerinornearahigh-traffic
area,inspectand,ifnecessary,cleanyourcomputermorefrequently.
©CopyrightLenovo2013,2014v

Foryoursafetyandtomaintainoptimumcomputerperformance,alwaysfollowthesebasicprecautions
withyourdesktopcomputer:
•Keepthecoverclosedwheneverthecomputerispluggedin.
•Regularlyinspecttheoutsideofthecomputerfordustaccumulation.
•Removedustfromventsandanyperforationsinthebezel.Morefrequentcleaningsmightberequiredfor
computersindustyorhigh-trafficareas.
•Donotrestrictorblockanyventilationopenings.
•Donotstoreoroperateyourcomputerinsidefurniture,asthismightincreasetheriskofoverheating.
•irflowtemperaturesintothecomputershouldnotexceed35°C(95°F).
•Donotinstallairfiltrationdevices.Theymayinterferewithpropercooling.
Operatingenvironment
Theoptimalenvironmentinwhichtouseyourcomputeris10°C-35°C(50°F-95°F)withhumidityranging
between35%and80%.Ifyourcomputerisstoredortransportedintemperatureslessthan10°C(50°F),
allowthecoldcomputertoriseslowlytoanoptimaloperatingtemperatureof10°C-35°C(50°F-95°F)before
use.Thisprocesscouldtaketwohoursinextremeconditions.Failuretoallowyourcomputertorisetoan
optimaloperatingtemperaturebeforeusecouldresultinirreparabledamagetoyourcomputer.
Ifpossible,placeyourcomputerinawell-ventilatedanddryareawithoutdirectexposuretosunshine.
Keepelectricalappliancessuchasanelectricfan,radio,high-poweredspeakers,airconditioner,and
microwaveovenawayfromyourcomputerbecausethestrongmagneticfieldsgeneratedbythese
appliancescandamagethemonitoranddataontheharddiskdrive.
Donotplaceanybeveragesontopoforbesidethecomputerorotherattacheddevices.Ifliquidisspilledon
orinthecomputeroranattacheddevice,ashortcircuitorotherdamagemightoccur.
Donoteatorsmokeoveryourkeyboard.Particlesthatfallintoyourkeyboardcancausedamage.
Lasercompliancestatement
CAUTION:
Whenlaserproducts(suchasCD-ROMs,DVDdrives,fiberopticdevices,ortransmitters)are
installed,notethefollowing:
•DonotremovethecoversRemovingthecoversofthelaserproductcouldresultinexposureto
hazardouslaserradiationTherearenoserviceablepartsinsidethedevice
•Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespecifiedherein
mightresultinhazardousradiationexposure
DANGER
SomelaserproductscontainanembeddedClass3AorClass3BlaserdiodeNotethefollowing:
LaserradiationwhenopenDonotstareintothebeam,donotviewdirectlywithoptical
instruments,andavoiddirectexposuretothebeam
viThinkCentreM32UserGuide

Powersupplystatement
Neverremovethecoveronapowersupplyoranypartthathasthefollowinglabelattached.
Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislabelattached.
Therearenoserviceablepartsinsidethesecomponents.Ifyoususpectaproblemwithoneoftheseparts,
contactaservicetechnician.
Cleaningandmaintenance
Keepyourcomputerandworkspaceclean.Shutdownthecomputerandthendisconnectthepower
cordbeforecleaningthecomputer.Donotsprayanyliquiddetergentdirectlyonthecomputeroruse
anydetergentcontainingflammablematerialtocleanthecomputer.Spraythedetergentonasoftcloth
andthenwipethecomputersurfaces.
©CopyrightLenovo2013,2014vii

viiiThinkCentreM32UserGuide

Chapter1Productoverview
Thischapterprovidesinformationaboutthecomputerfeatures,specifications,andlocationsofconnectors,
components,partsonthesystemboard,andinternaldrives.
Features
Thissectionintroducesthecomputerfeatures.Theinformationcoversavarietyofmodels.
Toviewtheinformationaboutyourspecificmodel,dooneofthefollowing:
•GointotheSetupUtilityprogrambyfollowingtheinstructionsinChapter6“UsingtheSetupUtility
program”onpage39.Then,selectMain➙SystemSummarytoviewtheinformation.
•OntheMicrosoft®Windows®EmbeddedStandard7operationsystem,clickStart,right-clickComputer,
andselectPropertiestoviewtheinformation.
Microprocessor
YourcomputercomeswithanIntel®Celeron®microprocessor(internalcachesizevariesbymodeltype).
Memory
Yourcomputersupportsonedoubledatarate3smalloutlinedualinlinememorymodule(DDR3SODIMM).
Internaldrives
•SerialdvancedTechnologyttachment(ST)DOMcard
Videosubsystem
•IntegratedgraphicsforaVideoGraphicsrray(VG)connectorandaDisplayPortconnector
Audiosubsystem
•Integratedhigh-definition(HD)audio
•Microphoneconnectorandheadphoneconnectoronthefrontpanel
Connectivity
•100/1000MbpsintegratedEthernetcontroller
Systemmanagementfeatures
•bilitytostorepower-onself-test(POST)hardwaretestresults
•DesktopManagementInterface(DMI)
DesktopManagementInterfaceprovidesacommonpathforuserstoaccessinformationaboutall
aspectsofacomputer,includingprocessortype,installationdate,attachedprintersandotherperipherals,
powersources,andmaintenancehistory.
•ErPcompliancemode
Theenergy-relatedproductsdirective(ErP)compliancemodereducestheconsumptionofelectricity
whenyourcomputerisinstandbyoroffmode.Formoreinformation,see“EnablingErPcompliance
mode”onpage42.
©CopyrightLenovo2013,20141

•IntelStandardManageability
IntelStandardManageabilityisakindofhardwareandfirmwaretechnologythatbuildscertain
functionalityintocomputersinordertomakethecomputerseasierandlessexpensiveforbusinessesto
monitor,maintain,update,upgrade,andrepair.
•PrebootExecutionEnvironment(PXE)
ThePrebootExecutionEnvironmentisanenvironmenttostartcomputersusinganetworkinterface
independentofdatastoragedevices(suchastheharddiskdrive)orinstalledoperatingsystems.
•SystemManagement(SM)BasicInput/OutputSystem(BIOS)andSMsoftware
TheSMBIOSspecificationdefinesdatastructuresandaccessmethodsinaBIOSthatallowsauseroran
applicationtostoreandretrieveinformationspecificaboutthecomputerinquestion.
•WakeonLN
WakeonLNisanEthernetcomputernetworkingstandardthatenablesacomputertobeturnedon
orwokenupbyanetworkmessage.Themessageisusuallysentbyaprogramrunningonanother
computeronthesamelocalareanetwork(LN).
•WindowsManagementInstrumentation(WMI)
WindowsManagementInstrumentationisasetofextensionstotheWindowsDriverModel.Itprovidesan
operatingsysteminterfacethroughwhichinstrumentedcomponentsprovideinformationandnotification.
Input/Output(I/O)features
•Four9-pinserialconnectors
•OneDisplayPortconnector
•OneEthernetconnector
•Oneparallelconnector
•OnePersonalSystem/2(PS/2)keyboardconnector
•OnePS/2mouseconnector
•OneVGmonitorconnector
•SixUniversalSerialBus(USB)2.0connectors(fouronthefrontpanelandtwoontherearpanel)
•Twoaudioconnectorsonthefrontpanel(microphoneconnectorandheadphoneconnector)
Formoreinformation,see“Locatingconnectors,controls,andindicatorsonthefrontofyourcomputer”on
page4and“Locatingconnectorsontherearofyourcomputer”onpage5.
Expansion
•OneSTDOMcardslot
Powersupply
Yourcomputercomeswitha65-wattacpoweradapter.
Securityfeatures
•bilitytoenableanddisableadevice
•bilitytoenableanddisableUSBconnectorsindividually
•Computracegentsoftwareembeddedinfirmware
•Power-onpassword(POP),administratorpassword,andharddiskdrivepasswordtodeterunauthorized
useofyourcomputer
•Startupsequencecontrol
2ThinkCentreM32UserGuide

•Startupwithoutkeyboardormouse
•SupportforaKensington-stylecablelock
Formoreinformation,seeChapter4“Security”onpage17.
Preinstalledoperatingsystem
YourcomputerispreinstalledwiththeMicrosoftWindowsEmbeddedStandard7operatingsystem.
Operatingsystem(s),certifiedortestedforcompatibility1(variesbymodeltype)
•LeTOS(Lenovoterminaloperatingsystem)
Specifications
Thissectionliststhephysicalspecificationsforyourcomputer.
Dimensions
Width:55mm(2.17inches)
Height:220mm(8.66inches)
Depth:170mm(6.69inches)
Weight
Maximumconfigurationasshipped:3.87kg(8.53lb)(withpackage)
Maximumconfigurationasshipped:1.48kg(3.26lb)(withoutpackage)
Environment
•irtemperature:
Operating:10°Cto35°C(50°Fto95°F)
Storageinoriginalshippingpackage:-20°Cto60°C(-4°Fto140°F)
•Humidity:
Operating:20%to80%(non-condensing)
Storage:20%to90%(non-condensing)
•ltitude:
Operating:-15.2to3048m(-50to10000ft)
Storage:-15.2to10668m(-50to35000ft)
Electricalinput
Theacpoweradapterinputvoltage:100to240Vac
Inputfrequencyrange:50or60Hz
Locations
Thissectionprovidesinformationtohelpyoulocatetheconnectorsonthefrontandrearofyourcomputer,
partsonthesystemboard,andcomponentsandinternaldrivesinyourcomputer.
Note:Thecomponentsinyourcomputermightlookslightlydifferentfromtheillustrations.
1.Theoperatingsystem(s)listedherearebeingcertifiedortestedforcompatibilityatthetimethispublicationgoesto
press.dditionaloperatingsystemsmightbeidentifiedbyLenovoascompatiblewithyourcomputerfollowingthe
publicationofthismanual.Thislistissubjecttochange.Todetermineifanoperatingsystemhasbeencertifiedor
testedforcompatibility,checktheWebsiteoftheoperatingsystemvendor.
Chapter1.Productoverview3

Locatingconnectors,controls,andindicatorsonthefrontofyour
computer
Thefollowingfigureshowsthelocationsoftheconnectors,controls,andindicatorsonthefrontofyour
computer.
Figure1.Frontconnector,control,andindicatorlocations
1Powerbutton2Powerindicator
3Harddiskdriveactivityindicator4USB2.0connectors(4)
5Microphoneconnector6Headphoneconnector
4ThinkCentreM32UserGuide

Locatingconnectorsontherearofyourcomputer
Thefollowingfigureshowsthelocationsoftheconnectorsontherearofyourcomputer.Someconnectors
ontherearofyourcomputerarecolor-codedtohelpyoudeterminewheretoconnectthecablesonyour
computer.
Figure2.Rearconnectorlocations
1Security-lockslot2PS/2keyboardconnector
3Serialconnectors(4)4VGmonitorconnector
5DisplayPortconnector6USB2.0connectors(2)
7acpowe8acpoweradaptercableloop
9Ethernetconnectorradapterconnector10Parallelconnector
11PS/2mouseconnector
Note:Ifyourcomputerisinstalledwithagraphicscard,ensurethatyouusethemonitorconnectorson
thegraphicscard.
ConnectorDescription
DisplayPortconnectorUsedtoattachahigh-performancemonitor,adirect-drivemonitor,orotherdevices
thatuseaDisplayPortconnector.
EthernetconnectorUsedtoattachanEthernetcableforaLN.
Note:TooperatethecomputerwithinFCCClassBlimits,useaCategory5Ethernet
cable.
PS/2keyboardconnectorUsedtoattachakeyboardthatusesaPS/2keyboardconnector.
Chapter1.Productoverview5

ConnectorDescription
PS/2mouseconnectorUsedtoattachamouse,atrackball,orotherpointingdevicesthatuseaPS/2
mouseconnector.
ParallelconnectorUsedtoattachaparallelprinterorotherdevicesthatusea25-pinparallelconnector.
SerialconnectorUsedtoattachanexternalmodem,aserialprinter,orotherdevicesthatusea
9-pinserialconnector.
USB2.0connectorUsedtoattachadevicethatrequiresaUSB2.0connection,suchasakeyboard,a
mouse,ascanner,aprinter,orapersonaldigitalassistant(PD).
VGmonitorconnectorUsedtoattachaVGmonitororotherdevicesthatuseaVGmonitorconnector.
Note:TheVGmonitorconnectorisnotapplicableonsomemodels.Ifyour
computerhasagraphicscardinstalled,ensurethatyouuseamonitorconnectoron
thegraphicscard.
6ThinkCentreM32UserGuide

Locatingcomponents
Thefollowingfigureshowsthelocationsofthevariouscomponentsinyourcomputer.Toremovethe
computercover,see“Removingthecomputercover”onpage25.
Figure3.Componentlocations
Chapter1.Productoverview7

1Computercover2Battery
3DOMcard4Powerbutton
5Heatsink16acpoweradapter
7Heatsink28Memorymodule
9Microprocessor10Systemboard
Locatingpartsonthesystemboard
Thefollowingfigureshowsthelocationsofthepartsonthesystemboard.
Figure4.Systemboardpartlocations
1ClearCMOS(ComplementaryMetalOxide
Semiconductor)/Recoveryjumper
2Battery
3STDOMcardslot4Microprocessor
5Powerbutton6Memoryslot
8ThinkCentreM32UserGuide

Machinetypeandmodellabel
Themachinetypeandmodellabelidentifiesyourcomputer.WhenyoucontactLenovoforhelp,themachine
typeandmodelinformationhelpssupporttechnicianstoidentifyyourcomputerandprovidefasterservice.
Thefollowingisasampleofthemachinetypeandmodellabel.
Figure.Machinetypeandmodellabel
Chapter1.Productoverview9

10ThinkCentreM32UserGuide