Lenovo ThinkCentre M73p User manual

ThinkCentreM73p
UserGuide
MachineTypes:10K9,10KA,10KB,and10KC

Note:Beforeusingthisinformationandtheproductitsupports,esuretoreadandunderstandthe“Read
thisfirst:Importantsafetyinformation”onpageiiiandAppendixF“Notices”onpage97.
FirstEdition(August2015)
©CopyrightLenoo2015.
LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuantaGeneralServicesAdministration
“GSA”contract,use,reproduction,ordisclosureissujecttorestrictionssetforthinContractNo.GS-35F-05925.

Contents
Readthisfirst:Importantsafety
information..............iii
Beforeusingthismanual...........iii
Serviceandupgrades............iii
Staticelectricityprevention..........iv
Powercordsandpoweradapters.......iv
Extensioncordsandrelateddevices......v
Plugsandoutlets..............v
Externaldevices..............v
Heatandproductventilation.........v
Operatingenvironment...........vi
Lasercompliancestatement.........vi
Powersupplystatement...........vii
Cleaningandmaintenance..........vii
Chapter1.Productoeriew.....1
Hardwarelocations.............1
Frontview...............1
Rearview...............3
Computercomponents.........5
Partsonthesystemoard........6
Machinetypeandmodellael.......8
Features.................8
Specifications...............12
Programs.................12
Accessingaprogramonyourcomputer...12
Installingaprogramthatisreadytoe
installed...............13
AnintroductiontoLenovoprograms....13
Chapter2.Usingyourcomputer...17
Registeringyourcomputer..........17
Settingthecomputervolume.........17
AddinganicontotheWindowsnotificationarea.17
Usingadisc................17
Guidelinesaoutusingtheopticaldrive...18
Handlingandstoringadisc........18
Playingandremovingadisc.......18
Recordingadisc............19
Connectingtoanetwork...........19
ConnectingtoanEthernetLAN......19
ConnectingtoawirelessLAN.......20
ConnectingtoaBluetooth-enaleddevice..20
Chapter3.Youandyourcomputer..21
Arrangingyourworkspace..........21
Glareandlighting............21
Aircirculation.............21
Electricaloutletlocationsandcalelengths.21
Comfort...............21
Accessiilityinformation...........22
Cleaningyourcomputer...........25
Maintenance...............25
Basicmaintenancetips.........25
Goodmaintenancepractices.......26
Keepingyourcomputercurrent......26
Movingyourcomputer...........27
Chapter4.Security..........29
Lockingyourcomputer...........29
Lockingthecomputercover.......29
AttachingaKensington-stylecalelock...30
Attachingacalelock..........31
Viewingandchangingsecuritysettingsinthe
SetupUtilityprogram............31
Preventingunauthorizedaccesstoyour
computer.................31
Usingfingerprintauthentication........32
Usingandunderstandingfirewalls.......32
Protectingdataagainstviruses........32
ComputraceAgentsoftwareemeddedin
firmware.................33
TrustedPlatformModule(TPM)........33
Chapter5.Adancedconfiguration..35
UsingtheSetupUtilityprogram........35
StartingtheSetupUtilityprogram.....35
Enalingordisalingadevice.......35
EnalingordisalingtheAutomaticPowerOn
features...............35
EnalingordisalingErPLPScompliance
mode................36
ChangingICEPerformanceMode.....36
EnalingordisalingtheICEThermalAlert
feature................37
EnalingordisalingtheConfiguration
ChangeDetectionfeature........37
Usingthecoverpresenceswitch......37
UsingBIOSpasswords.........38
Selectingastartupdevice........39
ExitingtheSetupUtilityprogram......40
UpdatingandrecoveringtheBIOS.......40
UpdatingtheBIOS...........40
RecoveringfromaBIOSupdatefailure...41
©CopyrightLenovo2015i

Chapter6.Troubleshooting,
diagnostics,andrecoery......43
Basicprocedureforresolvingcomputer
prolems.................43
Trouleshooting..............43
Startupprolems............43
Audioprolems............44
CDprolems.............45
DVDprolems.............45
Intermittentprolems..........46
Storagedriveprolems.........46
Networkingprolems..........47
Performanceprolems..........49
Serialconnectorcannoteaccessed....50
MyUSBconnectorscannoteaccessed..50
Softwareanddriverprolems.......50
Diagnostics................51
LenovoSolutionCenter.........51
Recoveryinformation............51
RecoveryinformationforWindows7....51
RecoveryinformationforWindows10....52
Chapter7.Installingorreplacing
hardware...............55
Handlingstatic-sensitivedevices.......55
Installingorreplacinghardware........55
Installingexternaloptions........55
Removingthecomputercover.......56
Replacingthefrontezel.........56
ReplacingaPCI/PCI-Expresscard.....57
Replacingamemorymodule.......60
Replacingtheopticaldrive........62
Replacingthecoin-cellattery......63
Replacingtheheatsinkandfanassemly..65
Replacingthepowersupplyassemly...66
Installingthe2.5-inchstoragedrive.....67
Replacingthe3.5-inchstoragedrive....68
ReplacingthefrontaudioandUSB
assemly...............70
ReplacingtheWi-Ficard.........72
Completingthepartsreplacement.....76
Chapter8.Gettinginformation,help,
andserice..............79
Informationresources............79
Accessingtheuserguideinvarious
languages...............79
Windowshelpsystem..........79
Safetyandwarranty...........79
LenovoWesite............79
LenovoSupportWesite.........80
Frequentlyaskedquestions........80
Helpandservice..............80
Callingforservice............80
Usingotherservices..........81
Purchasingadditionalservices......81
AppendixA.Regulatory
information..............83
Exportclassificationnotice..........83
Electronicemissionsnotices.........83
FederalCommunicationsCommission
DeclarationofConformity........83
Eurasiancompliancemark..........85
Brazilaudionotice.............85
Mexicowireless-radiocomplianceinformation..85
Additionalregulatoryinformation.......85
AppendixB.WEEEandrecycling
information..............87
ImportantWEEEinformation.........87
RecyclinginformationforJapan........87
RecyclinginformationforBrazil........88
BatteryrecyclinginformationforTaiwan.....88
BatteryrecyclinginformationfortheEuropean
Union..................88
AppendixC.RestrictionofHazardous
SubstancesDirectie(RoHS).....91
EuropeanUnionRoHS...........91
ChinaRoHS................91
TurkishRoHS...............91
UkraineRoHS...............92
IndiaRoHS................92
AppendixD.ChinaEnergyLabel...93
AppendixE.ENERGYSTARmodel
information..............95
AppendixF .Notices..........97
Trademarks................98
iiThinkCentreM73pUserGuide

Readthisfirst:Importantsafetyinformation
Thischaptercontainsthesafetyinformationthatyoumustefamiliarwith.
Beforeusingthismanual
CAUTION:
Beforeusingthismanual,besuretoreadandunderstandalltherelatedsafetyinformationforthis
product.RefertotheinformationinthissectionandthesafetyinformationintheSafety,Warranty,and
SetupGuidethatyoureceiedwiththisproduct.Readingandunderstandingthissafetyinformation
reducestheriskofpersonalinjuryanddamagetoyourproduct.
IfyounolongerhaveacopyoftheSafety,Warranty,andSetupGuide,youcanotainaPortaleDocument
Format(PDF)versionfromtheLenovo®SupportWesiteathttp://www.lenovo.com/UserManuals.The
LenovoSupportWesitealsoprovidestheSafety,Warranty,andSetupGuideandthisUserGuidein
additionallanguages.
Sericeandupgrades
DonotattempttoserviceaproductyourselfunlessinstructedtodosoytheCustomerSupportCenteror
yourdocumentation.OnlyuseaServiceProviderwhoisapprovedtorepairyourparticularproduct.
Note:Somecomputerpartscaneupgradedorreplacedythecustomer.Upgradestypicallyare
referredtoasoptions.ReplacementpartsapprovedforcustomerinstallationarereferredtoasCustomer
ReplacealeUnits,orCRUs.Lenovoprovidesdocumentationwithinstructionswhenitisappropriatefor
customerstoinstalloptionsorreplaceCRUs.Youmustcloselyfollowallinstructionswheninstallingor
replacingparts.TheOffstateofapowerindicatordoesnotnecessarilymeanthatvoltagelevelsinsidea
productarezero.Beforeyouremovethecoversfromaproductequippedwithapowercord,alwaysensure
thatthepoweristurnedoffandthattheproductisunpluggedfromanypowersource.Formoreinformation
onCRUs,refertoChapter7“Installingorreplacinghardware”onpage55.Ifyouhaveanyquestionsor
concerns,contacttheCustomerSupportCenter.
Althoughtherearenomovingpartsinyourcomputerafterthepowercordhaseendisconnected,the
followingwarningsarerequiredforyoursafety.
CAUTION:
Hazardousmoingparts.Keepfingersandotherbodypartsaway.
CAUTION:
Beforeyouopenthecomputercoer,turnoffthecomputerandwaitseeralminutesuntilthe
computeriscool.
©CopyrightLenovo2015iii

Staticelectricitypreention
Staticelectricity,althoughharmlesstoyou,canseriouslydamagecomputercomponentsandoptions.
Improperhandlingofstatic-sensitivepartscancausedamagetothepart.Whenyouunpackanoption
orCRU,donotopenthestatic-protectivepackagecontainingthepartuntiltheinstructionsdirectyou
toinstallit.
WhenyouhandleoptionsorCRUs,orperformanyworkinsidethecomputer,takethefollowingprecautions
toavoidstatic-electricitydamage:
•Limityourmovement.Movementcancausestaticelectricitytouilduparoundyou.
•Alwayshandlecomponentscarefully.Handleadapters,memorymodules,andothercircuitoardsythe
edges.Nevertouchexposedcircuitry.
•Preventothersfromtouchingcomponents.
•Whenyouinstallastatic-sensitiveoptionorCRU,touchthestatic-protectivepackagecontainingthe
parttoametalexpansion-slotcoverorotherunpaintedmetalsurfaceonthecomputerforatleasttwo
seconds.Thisreducesstaticelectricityinthepackageandyourody.
•Whenpossile,removethestatic-sensitivepartfromthestatic-protectivepackagingandinstallthepart
withoutsettingitdown.Whenthisisnotpossile,placethestatic-protectivepackagingonasmooth,
levelsurfaceandplacethepartonit.
•Donotplacethepartonthecomputercoverorothermetalsurface.
Powercordsandpoweradapters
Useonlythepowercordsandpoweradapterssuppliedytheproductmanufacturer.Donotusetheac
powercordforotherdevices.
Thepowercordsshallesafetyapproved.ForGermany,itshalleH05VV-F,3G,0.75mm2,oretter.For
othercountries,thesuitaletypesshalleusedaccordingly.
Neverwrapapowercordaroundapoweradapterorotheroject.Doingsocanstressthecordinwaysthat
cancausethecordtofray,crack,orcrimp.Thiscanpresentasafetyhazard.
Alwaysroutepowercordssothattheywillnotewalkedon,trippedover,orpinchedyojects.
Protectpowercordandpoweradaptersfromliquids.Forinstance,donotleaveyourpowercordorpower
adapternearsinks,tus,toilets,oronfloorsthatarecleanedwithliquidcleansers.Liquidscancausea
shortcircuit,particularlyifthepowercordorpoweradapterhaseenstressedymisuse.Liquidsalsocan
causegradualcorrosionofpowercordterminalsand/ortheconnectorterminalsonapoweradapter,
whichcaneventuallyresultinoverheating.
Ensurethatallpowercordconnectorsaresecurelyandcompletelypluggedintoreceptacles.
Donotuseanypoweradapterthatshowscorrosionattheacinputpinsorshowssignsofoverheating(such
asdeformedplastic)attheacinputoranywhereonthepoweradapter.
Donotuseanypowercordswheretheelectricalcontactsoneitherendshowsignsofcorrosionor
overheatingorwherethepowercordappearstohaveeendamagedinanyway.
iThinkCentreM73pUserGuide

Extensioncordsandrelateddeices
Ensurethatextensioncords,surgeprotectors,uninterruptilepowersupplies,andpowerstripsthatyouuse
areratedtohandletheelectricalrequirementsoftheproduct.Neveroverloadthesedevices.Ifpowerstrips
areused,theloadshouldnotexceedthepowerstripinputrating.Consultanelectricianformoreinformation
ifyouhavequestionsaoutpowerloads,powerrequirements,andinputratings.
Plugsandoutlets
Ifareceptacle(poweroutlet)thatyouintendtousewithyourcomputerequipmentappearstoedamaged
orcorroded,donotusetheoutletuntilitisreplacedyaqualifiedelectrician.
Donotendormodifytheplug.Iftheplugisdamaged,contactthemanufacturertootainareplacement.
Donotshareanelectricaloutletwithotherhomeorcommercialappliancesthatdrawlargeamountsof
electricity;otherwise,unstalevoltagemightdamageyourcomputer,data,orconnecteddevices.
Someproductsareequippedwithathree-prongedplug.Thisplugfitsonlyintoagroundedelectricaloutlet.
Thisisasafetyfeature.Donotdefeatthissafetyfeatureytryingtoinsertitintoanon-groundedoutlet.If
youcannotinserttheplugintotheoutlet,contactanelectricianforanapprovedoutletadapterortoreplace
theoutletwithonethatenalesthissafetyfeature.Neveroverloadanelectricaloutlet.Theoverallsystem
loadshouldnotexceed80percentoftheranchcircuitrating.Consultanelectricianformoreinformation
ifyouhavequestionsaoutpowerloadsandranchcircuitratings.
Besurethatthepoweroutletyouareusingisproperlywired,easilyaccessile,andlocatedclosetothe
equipment.Donotfullyextendpowercordsinawaythatwillstressthecords.
Besurethatthepoweroutletprovidesthecorrectvoltageandcurrentfortheproductyouareinstalling.
Carefullyconnectanddisconnecttheequipmentfromtheelectricaloutlet.
Externaldeices
DonotconnectordisconnectanyexternaldevicecalesotherthanUniversalSerialBus(USB)caleswhile
thecomputerpowerison;otherwise,youmightdamageyourcomputer.Toavoidpossiledamageto
connecteddevices,waitatleastfivesecondsafterthecomputerisshutdowntodisconnectexternaldevices.
Heatandproductentilation
Computers,poweradapters,andmanyaccessoriescangenerateheatwhenturnedonandwhenatteries
arecharging.Alwaysfollowtheseasicprecautions:
•Donotleaveyourcomputer,poweradapter,oraccessoriesincontactwithyourlaporanypartofyour
odyforanextendedperiodwhentheproductsarefunctioningorwhentheatteryischarging.Your
computer,poweradapter,andmanyaccessoriesproducesomeheatduringnormaloperation.Extended
contactwiththeodycouldcausediscomfortor,potentially,askinurn.
•Donotchargetheatteryoroperateyourcomputer,poweradapter,oraccessoriesnearflammale
materialsorinexplosiveenvironments.
•Ventilationslots,fans,andheatsinksareprovidedwiththeproductforsafety,comfort,andreliale
operation.Thesefeaturesmightinadvertentlyecomelockedyplacingtheproductonaed,sofa,
carpet,orotherflexilesurface.Neverlock,cover,ordisalethesefeatures.
©CopyrightLenovo2015

Inspectyourdesktopcomputerfordustaccumulationatleastonceeverythreemonths.Beforeinspecting
yourcomputer,turnoffthepowerandunplugthecomputer'spowercordfromtheelectricaloutlet;then
removeanydustfromventsandperforationsintheezel.Ifyounoticeexternaldustaccumulation,then
examineandremovedustfromtheinsideofthecomputerincludingheatsinkinletfins,powersupplyvents,
andfans.Alwaysturnoffandunplugthecomputereforeopeningthecover.Ifpossile,avoidoperating
yourcomputerwithintwofeetofhigh-trafficareas.Ifyoumustoperateyourcomputerinornearahigh-traffic
area,inspectand,ifnecessary,cleanyourcomputermorefrequently.
Foryoursafetyandtomaintainoptimumcomputerperformance,alwaysfollowtheseasicprecautions
withyourdesktopcomputer:
•Keepthecoverclosedwheneverthecomputerispluggedin.
•Regularlyinspecttheoutsideofthecomputerfordustaccumulation.
•Removedustfromventsandanyperforationsintheezel.Morefrequentcleaningsmighterequiredfor
computersindustyorhigh-trafficareas.
•Donotrestrictorlockanyventilationopenings.
•Donotstoreoroperateyourcomputerinsidefurniture,asthismightincreasetheriskofoverheating.
•Airflowtemperaturesintothecomputershouldnotexceed35°C(95°F).
•Donotinstallairfiltrationdevices.Theymayinterferewithpropercooling.
Operatingenironment
Theoptimalenvironmentinwhichtouseyourcomputeris10°C–35°C(50°F–95°F)withhumidityranging
etween35%and80%.Ifyourcomputerisstoredortransportedintemperatureslessthan10°C(50°F),
allowthecoldcomputertoriseslowlytoanoptimaloperatingtemperatureof10°C–35°C(50°F–95°F)efore
use.Thisprocesscouldtaketwohoursinextremeconditions.Failuretoallowyourcomputertorisetoan
optimaloperatingtemperatureeforeusecouldresultinirreparaledamagetoyourcomputer.
Ifpossile,placeyourcomputerinawell-ventilatedanddryareawithoutdirectexposuretosunshine.
Keepelectricalappliancessuchasanelectricfan,radio,high-poweredspeakers,airconditioner,and
microwaveovenawayfromyourcomputerecausethestrongmagneticfieldsgeneratedythese
appliancescandamagethemonitoranddataonthestoragedrive.
Donotplaceanyeveragesontopoforesidethecomputerorotherconnecteddevices.Ifliquidisspilled
onorinthecomputeroraconnecteddevice,ashortcircuitorotherdamagemightoccur.
Donoteatorsmokeoveryourkeyoard.Particlesthatfallintoyourkeyoardcancausedamage.
Lasercompliancestatement
CAUTION:
Whenlaserproducts(suchasCD-ROMs,DVDdries,fiberopticdeices,ortransmitters)are
installed,notethefollowing:
•Donotremoethecoers.Remoingthecoersofthelaserproductcouldresultinexposureto
hazardouslaserradiation.Therearenosericeablepartsinsidethedeice.
•Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespecifiedherein
mightresultinhazardousradiationexposure.
iThinkCentreM73pUserGuide

DANGER
SomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing:
Laserradiationwhenopen.Donotstareintothebeam,donotiewdirectlywithoptical
instruments,andaoiddirectexposuretothebeam.
Powersupplystatement
Neverremovethecoveronapowersupplyoranypartthathasthefollowinglaelattached.
Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislaelattached.
Therearenoservicealepartsinsidethesecomponents.Ifyoususpectaprolemwithoneoftheseparts,
contactaservicetechnician.
Cleaningandmaintenance
Keepyourcomputerandworkspaceclean.Shutdownthecomputerandthendisconnectthepower
cordeforecleaningthecomputer.Donotsprayanyliquiddetergentdirectlyonthecomputeroruse
anydetergentcontainingflammalematerialtocleanthecomputer.Spraythedetergentonasoftcloth
andthenwipethecomputersurfaces.
©CopyrightLenovo2015ii

iiiThinkCentreM73pUserGuide

Chapter1.Productoeriew
Thischapterprovidesinformationaoutthefollowingtopics:
•“Hardwarelocations”onpage1
•“Features”onpage8
•“Specifications”onpage12
•“Programs”onpage12
Hardwarelocations
Thissectionprovidesinformationaoutthelocationsofyourcomputerhardware.
Note:Thecomputerhardwaremightlookslightlydifferentfromtheillustrations.
Frontiew
Figure1.Frontview
1Storagedriveactivityindicator2Powerindicator
3Powerutton4Opticaldriveeject/closeutton(availaleonsome
models)
5Cardreaderslot(availaleonsomemodels)6USB2.0connector
©CopyrightLenovo20151

7Microphoneconnector8Headphoneconnector
9USB2.0connector
•Cardreaderslot
Usedtoholdacard-shapedstoragemediumsothatthecardreadercanreadthedataonthestorage
medium.
•Headphoneconnector
Usedtoconnectheadphonestoyourcomputer.
•Microphoneconnector
Usedtoconnectamicrophonetoyourcomputer.Youcanusethemicrophonetorecordsoundsoruse
speech-recognitionsoftware.
•Opticaldrieeject/closebutton
Usedtoejectthetrayoftheopticaldrivefromthedrive.Afteryouinsertadiscintothetray,press
theeject/closeuttontoclosethetray.
•Powerbutton
Usedtoturnonyourcomputer.Youalsocanusethepoweruttontoturnoffyourcomputeronlywhen
youcannotuseanyMicrosoft®Windows®shutdownproceduretoturnoffyourcomputer.
•Powerindicator
Whentheindicatorison,thecomputerison.
•Storagedrieactiityindicator
Whentheindicatorison,thestoragedrivesareinuse.
•USB2.0connector
UsedtoconnectadevicethatrequiresaUSB2.0connection,suchasakeyoard,amouse,ascanner,a
printer,orapersonaldigitalassistant(PDA).
2ThinkCentreM73pUserGuide

Reariew
Figure2.Rearview
1Powercordconnector2Serialconnector
3VGAconnector4PS/2mouseconnector(availaleonsomemodels)
5DisplayPort®connectors(2)6PS/2keyoardconnector(availaleonsomemodels)
7USB3.0connectors(4)8USB2.0connectors(2)
9Ethernetconnector10Microphoneconnector
11Audioline-outconnector12Audioline-inconnector
13PCI/PCI-Expresscardarea(differentcardsprovide
differentconnectors)
14Serialconnector(availaleonsomemodels)
15Security-lockslot16Cale-lockslots(2)
17Padlockloop
Note:Adiscretegraphicscard,networkinterfacecard,oraudiocardmighteinstalledinthePeripheral
ComponentInterconnect(PCI)orPCIExpresscardarea.Ifsuchacardisinstalled,ensurethatyouusethe
connectorsonthecardinsteadofthecorrespondingconnectorsonthecomputer.
•Audioline-inconnector
Usedtoreceiveaudiosignalsfromanexternalaudiodevice,suchasastereosystem.Whenyouattach
anexternalaudiodevice,acaleisconnectedetweentheaudioline-outconnectorofthedevice
andtheaudioline-inconnectorofthecomputer.
Chapter1.Productoverview3

•Audioline-outconnector
Usedtosendaudiosignalsfromthecomputertoexternaldevices,suchaspoweredstereospeakers,
headphones,ormultimediakeyoards.Toattachastereosystemorotherexternalrecordingdevice,a
caleisconnectedetweentheaudioline-inconnectorofthedeviceandtheaudioline-outconnector
ofthecomputer.
Note:Ifyourcomputerhasothanaudioline-outconnectorandaheadsetconnectororheadphone
connector,alwaysusetheheadsetconnectororheadphoneconnectorforearphones,headphones,ora
headset.However,aheadphoneconnectordoesnotsupportthemicrophoneofaheadset.
•Cable-lockslots
Forinformation,see“Attachingacalelock”onpage31.
•DisplayPortconnector
Usedtoconnectahigh-performancemonitor,adirect-drivemonitor,orotherdevicesthatusea
DisplayPortconnector.
•Ethernetconnector
UsedtoconnectanEthernetcaleforalocalareanetwork(LAN).
Note:TooperatethecomputerwithinFederalCommunicationsCommission(FCC)ClassBlimits,usea
Category5eoretterEthernetcale.
•Microphoneconnector
Usedtoconnectamicrophonetoyourcomputerwhenyouwanttorecordsoundorifyouuse
speech-recognitionsoftware.
•Padlockloop
Forinformation,see“Lockingthecomputercover”onpage29.
•PCI/PCI-Expresscardarea(differentcardsproidedifferentconnectors)
Toimprovetheoperatingperformanceofyourcomputer,youcanconnectPCI/PCI-Expresscardsinto
thisarea.Dependingonyourcomputermodel,theconnectorsinthisareamightvary.
•Powercordconnector
Usedtoconnectthepowercordtoyourcomputerforpowersupply.
•PS/2keyboardconnector
UsedtoconnectakeyoardthatusesaPersonalSystem/2(PS/2)keyoardconnector.
•PS/2mouseconnector
Usedtoconnectamouse,atrackall,orotherpointingdevicesthatuseaPS/2mouseconnector.
•Serialconnector
Usedtoconnectanexternalmodem,aserialprinter,orotherdevicesthatusea9-pinserialconnector.
•Security-lockslot
Forinformation,see“AttachingaKensington-stylecalelock”onpage30.
•USB2.0connector
UsedtoconnectadevicethatrequiresaUSB2.0connection,suchasakeyoard,amouse,ascanner,a
printer,orapersonaldigitalassistant(PDA).
•USB3.0connector
UsedtoconnectadevicethatrequiresaUSB2.0orUSB3.0connection,suchasakeyoard,amouse,a
scanner,aprinter,oraPDA.
•VGAconnector
Usedtoconnectavideographicsarray(VGA)monitororotherdevicesthatuseaVGAconnector.
4ThinkCentreM73pUserGuide

Computercomponents
Note:Dependingonyourcomputermodel,someofthefollowingcomponentsmightnoteavailale.
Figure3.Computercomponents
1Computercover2Powersupplyassemly
3Systemoard4Heatsinkandfanassemly
5Microprocessor6Memorymodule
7Opticaldrive8Cardreader
9FrontaudioandUSBassemly10Coin-cellattery
11FrontWi-Fiantenna12Internalspeaker
13Thermalsensor14Wi-Ficard
15Wi-Ficardadapter16PCIExpresscard
17RearWi-Fiantenna18Coverpresenceswitch(Intrusionswitch)
19Rearfan20Storagedrives(2)
21Frontezel
Chapter1.Productoverview5

Partsonthesystemboard
Note:Forthepartsthataredisplayedonthefollowingfigureutnotintroducedinthefollowingtale,see
“Frontview”onpage1and“Rearview”onpage3.
Figure4.artsonthesystemboard
1PS/2keyoardandmouseconnector24-pinpowerconnector(forconnectingpowersupply
assemly)
3Microprocessorfanconnector4Memoryslot1(DIMM1)
5Memoryslot2(DIMM2)6Memoryslot3(DIMM3)
7Memoryslot4(DIMM4)8Thermalsensorconnector
94-pinpowerconnectors(2)(forconnecting
storagedrives)
1014-pinpowerconnector
11eSATAconnector12Parallelconnector
13SATA3.0connectors(3)14Frontpaneloardconnector
15FrontUSBconnector2(forconnectingUSB
ports1and2onthefrontezel)
16Cardreaderconnector
17ClearCMOS(ComplementaryMetalOxide
Semiconductor)/Recoveryjumper
18Serialconnector
19Internalspeakerconnector20Frontaudioconnector
21PCIcardslot22PCIExpresscardslot(physicallinkwidthx16;negotiale
linkwidthx4,x1)
23PCIExpressx1cardslot24PCIExpressx16graphicscardslot
6ThinkCentreM73pUserGuide

25Systemfanconnector26Coverpresenceswitchconnector(Intrusionswitch
connector)
27Coin-cellattery
Chapter1.Productoverview7

Machinetypeandmodellabel
Themachinetypeandmodellaelidentifiesyourcomputer.WhenyoucontactLenovoforhelp,themachine
typeandmodelinformationhelpssupporttechnicianstoidentifyyourcomputerandprovidefasterservice.
Themachinetypeandmodellaelisattachedontheottomofyourcomputerasshown.
Figure5.Machinetypeandmodellabel
Features
Thecomputerfeaturesintroducedinthissectionapplytovariousmodels.
Informationaboutyourcomputer
•Toviewasicinformation(suchasmicroprocessorandmemoryinformation)aoutyourcomputer,
dothefollowing:
1.ClicktheStartuttontoopentheStartmenu.
2.DependingonyourWindowsversion,dooneofthefollowing:
–ForWindows7:Right-clickComputer,andthenclickProperties.
–ForWindows10:ClickSettings➙System➙About.
•Toviewdetailedinformationaoutthedevices(suchastheopticaldriveandnetworkadapters)onyour
computer,dothefollowing:
1.DependingonyourWindowsversion,dooneofthefollowing:
–ForWindows7:ClicktheStartuttontoopentheStartmenu.Right-clickComputer,andthen
clickProperties.
–ForWindows10:Right-clicktheStartuttontoopentheStartcontextmenu.
2.ClickDeiceManager.Typetheadministratorpasswordorprovideconfirmationifprompted.
8ThinkCentreM73pUserGuide

Preinstalledoperatingsystem
YourcomputerispreinstalledwithWindows7orWindows10operatingsystem.Additionaloperating
systemsmighteidentifiedyLenovoascompatilewithyourcomputer.Todetermineifanoperating
systemhaseencertifiedortestedforcompatiility,checktheWesiteoftheoperatingsystemprovider.
ForinformationaoutWindows8.1operatingsystem,refertotheWindows8.1roductGuideatthe
followingWesite:
http://www.microsoft.com
Powersupply
Yourcomputercomeswithoneofthefollowingpowersupplies:
•180-wattautomaticvoltage-sensingpowersupply
•280-wattautomaticvoltage-sensingpowersupply
Note:Ifadiscretegraphicscardisinstalledonyourcomputer,a280-wattautomaticvoltage-sensing
powersupplyisrequired.
Storagedries
Yourcomputersupportsuptotwostoragedrives(harddiskdrives,hyriddrives,orsolid-statedrives).
Toviewtheamountofstoragedrivespace,dothefollowing:
1.DependingonyourWindowsversion,dooneofthefollowing:
•ForWindows7:ClicktheStartuttontoopentheStartmenu.Right-clickComputer,andthenclick
Manage.
•ForWindows10:Right-clicktheStartuttontoopentheStartcontextmenu.
2.ClickDiskManagement.
Videofeatures
•Theintegratedgraphicscardsupportsthefollowingdisplayconnectorsonyourcomputer:
–DisplayPortconnector
–VGAconnector
•Thediscretegraphicscard,whichisavailaleonsomemodels,providesenhanceddisplaycapaility
andexperience.
Audiofeatures
Theintegratedaudiocardsupportsthefollowingaudioconnectorsanddevicesonyourcomputer:
•Audioline-inconnector
•Audioline-outconnector
•Headphoneconnector
•Internalspeaker(availaleonsomemodels)
•Microphoneconnector
Input/Output(I/O)features
•Serialconnector
•Audioconnectors(audioline-inconnector,audioline-outconnector,headphoneconnector,internal
speaker(availaleonsomemodels)andmicrophoneconnector)
•Cardreaderslot(availaleonsomemodels)
Chapter1.Productoverview9

•Displayconnectors(DisplayPortconnectorandVGAconnector)
•Ethernetconnector
•PS/2keyoardconnector(availaleonsomemodels)
•PS/2mouseconnector(availaleonsomemodels)
•USBconnectors
Expansion
•Cardreader(availaleonsomemodels)
•Opticaldrive(availaleonsomemodels)
•Storagedriveay
•Memoryslots
•PCIcardslot
•PCIExpressx1cardslot
•PCIExpressx16graphicscardslot
•PCIExpresscardslot(physicallinkwidthx16;negotialelinkwidthx4,x1)
Networkfeatures
•EthernetLAN
–TheintegratednetworkinterfacecardsupportstheEthernetconnectoronyourcomputer.
–Thediscretenetworkinterfacecard,whichisavailaleonsomemodels,providesanadditional
Ethernetconnector.
•WirelessLAN(availaleonsomemodels)
•Bluetooth(availaleonsomemodels)
Securityfeatures
Formoreinformation,seeChapter4“Security”onpage29.
Systemmanagementfeatures
•Ailitytostorepower-onself-test(POST)hardwaretestresults
•DesktopManagementInterface(DMI)
DesktopManagementInterfaceprovidesacommonpathforuserstoaccessinformationaoutall
aspectsofacomputer.Theinformationincludesprocessortype,installationdate,connectedprintersand
otherperipherals,powersources,maintenancehistory,andsoon.
•ErPLPScompliancemode
Theenergy-relatedproductsdirective(ErP)lowestpowerstate(LPS)compliancemodereducesthe
consumptionofelectricitywhenyourcomputerisinsleeporoffmode.Formoreinformation,see
“EnalingordisalingErPLPScompliancemode”onpage36.
•IntelligentCoolingEngine(ICE)
TheIntelligentCoolingEngineisasystemthermalmanagementsolutionthatenalesyourcomputer
torunwithetterthermalandacousticperformance.TheICEfunctionalsomonitorsthethermal
performanceofyourcomputertoidentifythermalprolems.Formoreinformation,see“ChangingICE
PerformanceMode”onpage36and“EnalingordisalingtheICEThermalAlertfeature”onpage37.
•Intel®StandardManageaility
IntelStandardManageailityishardware-andfirmware-asedtechnologythatmakescomputerseasier
andlessexpensiveforusinessestomonitor,maintain,update,upgrade,andrepair.
10ThinkCentreM73pUserGuide