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ThinkCentreM73
UserGuide
MachineTypes:10B4,10B5,10B6,10B7,10HL,and10HM
Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadandunderstandthe
“Importantsafetyinformation”onpagev
andAppendixA“Notices”onpage125.
SixthEdition(August2015)
©CopyrightLenovo2013,2015.
LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuantaGeneralServicesAdministration
“GSA”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.GS-35F-05925.
Contents
Importantsafetyinformation......v
Serviceandupgrades.............v
Staticelectricityprevention...........v
Powercordsandpoweradapters........vi
Extensioncordsandrelateddevices.......vi
Plugsandoutlets..............vii
Externaldevices..............vii
Heatandproductventilation.........vii
Operatingenvironment...........viii
Lasercompliancestatement.........viii
Powersupplystatement............ix
Cleaningandmaintenance...........ix
Chapter1.Productoverview......1
Features..................1
Specifications................5
Lenovoprograms..............5
Accessingaprogramonyourcomputer....5
AnintroductiontoLenovoprograms.....6
Locations..................8
Locatingconnectors,controls,andindicators
onthefrontofyourcomputer........9
Locatingconnectorsontherearofyour
computer...............10
Locatingcomponents..........12
Locatingpartsonthesystemboard....13
Locatinginternaldrives.........14
Machinetypeandmodellabel.......15
Chapter2.Usingyourcomputer...17
Frequentlyaskedquestions.........17
NavigatingamongscreensontheWindows8and
Windows8.1operatingsystems........17
NavigatingonWindows8........17
NavigatingonWindows8.1........19
AccessingControlPanelontheWindows8or
Windows8.1operatingsystem........20
UsingWindowsshortcutkeys.........20
Usingthewheelmouse...........21
Settingthecomputervolume.........21
AddinganicontotheWindowsnotificationarea.21
UsingCDsandDVDs............22
HandlingandstoringCDandDVDmedia..22
PlayingaCDorDVD..........23
RecordingaCDorDVD.........23
Chapter3.Youandyourcomputer..25
Accessibilityandcomfort..........25
Arrangingyourworkspace........25
Comfort...............25
Glareandlighting............26
Aircirculation.............26
Electricaloutletsandcablelengths.....26
Accessibilityinformation.........26
Registeringyourcomputer..........29
Movingyourcomputertoanothercountryor
region..................29
Chapter4.Security..........31
Securityfeatures..............31
Lockingthecomputercover.........32
AttachingaKensington-stylecablelock.....33
Preventingunauthorizedaccesstoyour
computer.................33
Usingfingerprintauthentication........34
Usingandunderstandingfirewalls.......34
Protectingdataagainstviruses........34
Chapter5.Installingorreplacing
hardware...............35
Handlingstatic-sensitivedevices.......35
Installingorreplacinghardware........35
Installingexternaloptions........35
Removingthecomputercover.......36
Removingandreinstallingthefrontbezel..36
Accessingthesystemboardcomponentsand
drives................38
Installingorreplacingamemorymodule...39
InstallingorreplacingaPCIExpresscard..41
Replacingthebattery..........43
Replacingtheharddiskdrive.......44
Replacingthesolid-statedrive......46
Installingorreplacingtheopticaldrive...51
Replacingtheheatsinkandfanassembly..54
Replacingthepowersupplyassembly...57
Replacingthemicroprocessor.......61
ReplacingthefrontaudioandUSB
assembly...............63
Replacingthesystemfanassembly....64
ReplacingtheWiFiunits.........66
InstallingorremovingtherearWiFiantenna.71
InstallingorremovingthefrontWiFiantenna.73
Replacingthekeyboard.........75
Replacingthemouse..........76
Completingthepartsreplacement.....77
©CopyrightLenovo2013,2015
i
Chapter6.Recoveryinformation...79
RecoveryinformationfortheWindows7operating
system..................79
Creatingandusingrecoverymedia.....79
Performingbackupandrecoveryoperations.80
UsingtheRescueandRecoveryworkspace.81
Creatingandusingarescuemedium....82
Reinstallingpreinstalledapplicationsand
devicedrivers.............83
Reinstallingsoftwareprograms......84
Reinstallingdevicedrivers........84
Solvingrecoveryproblems........84
RecoveryinformationfortheWindows8or
Windows8.1operatingsystem........85
Refreshingyourcomputer........85
Resettingyourcomputertothefactorydefault
settings................85
Usingtheadvancedstartupoptions....85
RecoveringyouroperatingsystemifWindows
8orWindows8.1failstostart.......86
RecoveryinformationfortheWindows10operating
system..................86
Chapter7.UsingtheSetupUtility
program................89
StartingtheSetupUtilityprogram.......89
Viewingandchangingsettings........89
UsingBIOSpasswords...........89
Passwordconsiderations.........90
Power-OnPassword..........90
AdministratorPassword.........90
HardDiskPassword...........90
Setting,changing,anddeletingapassword.90
Erasinglostorforgottenpasswords(clearing
CMOS)................91
Enablingordisablingadevice........91
Selectingastartupdevice..........91
Selectingatemporarystartupdevice....92
Selectingorchangingthestartupdevice
sequence...............92
EnablingErPLPScompliancemode......92
ICEperformancemode...........93
ICEthermalalert..............93
ExitingfromtheSetupUtilityprogram.....94
Chapter8.Updatingsystem
programs...............95
Usingsystemprograms...........95
UpdatingtheBIOS.............95
RecoveringfromaPOST/BIOSupdatefailure..95
Chapter9.Preventingproblems...97
Keepingyourcomputercurrent........97
Gettingthelatestdevicedriversforyour
computer...............97
Gettingthelatestsystemupdates.....97
Cleaningandmaintenance..........98
Basics................98
Cleaningyourcomputer.........98
Goodmaintenancepractices.......99
Movingyourcomputer...........100
Chapter10.Troubleshootingand
diagnostics.............103
Basictroubleshooting............103
Troubleshootingprocedure..........104
Troubleshooting..............105
Audioproblems............105
CDproblems.............106
DVDproblems.............107
Intermittentproblems..........109
Keyboard,mouse,orpointingdevice
problems...............109
Monitorproblems............111
Networkingproblems..........112
Optionproblems............115
Performanceandlockupproblems.....116
Printerproblems............117
Serialportproblems...........118
Softwareproblems...........118
USBproblems.............119
LenovoSolutionCenter...........120
Chapter11.Gettinginformation,help,
andservice.............121
Informationresources............121
Windowshelpsystem..........121
SafetyandWarranty...........121
LenovoWebsite............121
LenovoSupportWebsite.........122
Helpandservice..............122
Usingthedocumentationanddiagnostic
program...............122
Callingforservice............122
Usingotherservices..........123
Purchasingadditionalservices......123
AppendixA.Notices.........125
Trademarks................126
AppendixB.Regulatory
information.............127
Exportclassificationnotice..........127
Televisionoutputnotice...........127
Electronicemissionsnotices.........127
iiThinkCentreM73UserGuide
FederalCommunicationsCommission
DeclarationofConformity........127
Eurasiancompliancemark..........129
Brazilaudionotice.............129
Mexicowireless-radiocomplianceinformation..129
Additionalregulatoryinformation.......130
AppendixC.WEEEandrecycling
information.............131
ImportantWEEEinformation.........131
RecyclinginformationforJapan........131
RecyclinginformationforBrazil........132
BatteryrecyclinginformationforTaiwan.....132
BatteryrecyclinginformationfortheEuropean
Union..................132
AppendixD.RestrictionofHazardous
SubstancesDirective(RoHS)....135
EuropeanUnionRoHS...........135
ChinaRoHS................135
TurkishRoHS...............135
UkraineRoHS...............136
IndiaRoHS................136
AppendixE.ChinaEnergyLabel..137
AppendixF .ENERGYSTARmodel
information.............139
Index.................141
©CopyrightLenovo2013,2015
iii
ivThinkCentreM73UserGuide
Importantsafetyinformation
CAUTION:
Beforeusingthismanual,besuretoreadandunderstandalltherelatedsafetyinformationforthis
product.RefertotheinformationinthissectionandthesafetyinformationintheSafety,Warranty,and
SetupGuidethatyoureceivedwiththisproduct.Readingandunderstandingthissafetyinformation
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”onpage35
.Ifyouhaveany
questionsorconcerns,contacttheCustomerSupportCenter.
Althoughtherearenomovingpartsinyourcomputerafterthepowercordhasbeendisconnected,the
followingwarningsarerequiredforyoursafety.
CAUTION:
Hazardousmovingparts.Keepfingersandotherbodypartsaway.
CAUTION:
Beforeyouopenthecomputercover,turnoffthecomputerandwaitseveralminutesuntilthe
computeriscool.
Staticelectricityprevention
Staticelectricity,althoughharmlesstoyou,canseriouslydamagecomputercomponentsandoptions.
Improperhandlingofstatic-sensitivepartscancausedamagetothepart.Whenyouunpackanoption
©CopyrightLenovo2013,2015
v
orCRU,donotopenthestatic-protectivepackagecontainingthepartuntiltheinstructionsdirectyou
toinstallit.
WhenyouhandleoptionsorCRUs,orperformanyworkinsidethecomputer,takethefollowingprecautions
toavoidstatic-electricitydamage:
•Limityourmovement.Movementcancausestaticelectricitytobuilduparoundyou.
•Alwayshandlecomponentscarefully.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.Donotusetheac
powercordforotherdevices.
Thepowercordsshallbesafetyapproved.ForGermany,itshallbeH05VV-F,3G,0.75mm
2
,orbetter.For
othercountries,thesuitabletypesshallbeusedaccordingly.
Neverwrapapowercordaroundapoweradapterorotherobject.Doingsocanstressthecordinwaysthat
cancausethecordtofray,crack,orcrimp.Thiscanpresentasafetyhazard.
Alwaysroutepowercordssothattheywillnotbewalkedon,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.
viThinkCentreM73UserGuide
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.Alwaysfollowthesebasicprecautions:
•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.Alwaysturnoffandunplugthecomputerbeforeopeningthecover.Ifpossible,avoidoperating
yourcomputerwithintwofeetofhigh-trafficareas.Ifyoumustoperateyourcomputerinornearahigh-traffic
area,inspectand,ifnecessary,cleanyourcomputermorefrequently.
©CopyrightLenovo2013,2015
vii
Foryoursafetyandtomaintainoptimumcomputerperformance,alwaysfollowthesebasicprecautions
withyourdesktopcomputer:
•Keepthecoverclosedwheneverthecomputerispluggedin.
•Regularlyinspecttheoutsideofthecomputerfordustaccumulation.
•Removedustfromventsandanyperforationsinthebezel.Morefrequentcleaningsmightberequiredfor
computersindustyorhigh-trafficareas.
•Donotrestrictorblockanyventilationopenings.
•Donotstoreoroperateyourcomputerinsidefurniture,asthismightincreasetheriskofoverheating.
•Airflowtemperaturesintothecomputershouldnotexceed35°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:
•Donotremovethecovers.Removingthecoversofthelaserproductcouldresultinexposureto
hazardouslaserradiation.Therearenoserviceablepartsinsidethedevice.
•Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespecifiedherein
mightresultinhazardousradiationexposure.
DANGER
SomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing:
Laserradiationwhenopen.Donotstareintothebeam,donotviewdirectlywithoptical
instruments,andavoiddirectexposuretothebeam.
viiiThinkCentreM73UserGuide
Powersupplystatement
Neverremovethecoveronapowersupplyoranypartthathasthefollowinglabelattached.
Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislabelattached.
Therearenoserviceablepartsinsidethesecomponents.Ifyoususpectaproblemwithoneoftheseparts,
contactaservicetechnician.
Cleaningandmaintenance
Keepyourcomputerandworkspaceclean.Shutdownthecomputerandthendisconnectthepower
cordbeforecleaningthecomputer.Donotsprayanyliquiddetergentdirectlyonthecomputeroruse
anydetergentcontainingflammablematerialtocleanthecomputer.Spraythedetergentonasoftcloth
andthenwipethecomputersurfaces.
©CopyrightLenovo2013,2015
ix
xThinkCentreM73UserGuide
Chapter1.Productoverview
Thischapterprovidesinformationaboutthecomputerfeatures,specifications,softwareprogramsprovided
byLenovo,andlocationsofconnectors,components,partsonthesystemboard,andinternaldrives.
Features
Thissectionintroducesthecomputerfeatures.Theinformationcoversavarietyofmodels.
Toviewtheinformationaboutyourspecificmodel,dooneofthefollowing:
•OntheMicrosoft
®
Windows
®
7operationsystem,clickStart,right-clickComputer,andselectProperties
toviewtheinformation.
•OntheMicrosoftWindows8orWindows8.1operatingsystem,gotothedesktopandmoveyourpointer
tothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.ThenclickSettings➙PC
infotoviewtheinformation.
•OntheMicrosoftWindows10operatingsystem,clicktheStartbuttontoopentheStartmenu.Then,click
Settings➙System➙Abouttoviewtheinformation.
Microprocessor
Toviewthemicroprocessorinformationofyourcomputer,dothefollowing:
•OntheMicrosoftWindows7operationsystem,clickStart,right-clickComputer,andselectProperties
toviewtheinformation.
•OntheMicrosoftWindows8orWindows8.1operatingsystem,gotothedesktopandmoveyourpointer
tothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.ThenclickSettings➙PC
infotoviewtheinformation.
•OntheMicrosoftWindows10operatingsystem,clicktheStartbuttontoopentheStartmenu.Then,click
Settings➙System➙Abouttoviewtheinformation.
Memory
Yourcomputersupportsupto2doubledatarate3dualinlinememorymodules(DDR3DIMMs).
Internaldrives
•Opticaldrive:DVD-ROMorDVD-R
•Hybriddrive
•SerialAdvancedTechnologyAttachment(SATA)harddiskdrive
•SATAsolid-statedrive
Videosubsystem
•IntegratedgraphicsforaVideoGraphicsArray(VGA)connectorandaDisplayPort
®
connector
•PeripheralComponentInterconnect(PCI)Expressx16graphicscardslotonthesystemboardfora
discretegraphicscard
Audiosubsystem
•Integratedhigh-definition(HD)audio
•Audioline-inconnector,audioline-outconnector,andmicrophoneconnectorontherearpanel
©CopyrightLenovo2013,2015
1
•Microphoneconnectorandheadphoneconnectoronthefrontpanel
•Internalspeaker(availableonsomemodels)
Connectivity
•100/1000MbpsintegratedEthernetcontroller
•PCIEx1Faxmodem(somemodels)
Systemmanagementfeatures
•Abilitytostorepower-onself-test(POST)hardwaretestresults
•DesktopManagementInterface(DMI)
DesktopManagementInterfaceprovidesacommonpathforuserstoaccessinformationaboutall
aspectsofacomputer,includingprocessortype,installationdate,attachedprintersandotherperipherals,
powersources,andmaintenancehistory.
•ErPLPScompliancemode
Theenergy-relatedproductsdirective(ErP)lowestpowerstate(LPS)compliancemodereducesthe
consumptionofelectricitywhenyourcomputerisinsleeporoffmode.Formoreinformation,see
“EnablingErPLPScompliancemode”onpage92
.
•PrebootExecutionEnvironment(PXE)
ThePrebootExecutionEnvironmentisanenvironmenttostartcomputersusinganetworkinterface
independentofdatastoragedevices(suchastheharddiskdrive)orinstalledoperatingsystems.
•IntelligentCoolingEngine(ICE)
TheIntelligentCoolingEngineisasystemthermalmanagementsolutionthatenablesyourcomputer
torunwithbetterthermalandacousticperformance.TheICEfunctionalsomonitorsthethermal
performanceofyourcomputertoidentifythermalproblems.Formoreinformation,see“ICEperformance
mode”onpage93and“ICEthermalalert”onpage93.
•SystemManagement(SM)BasicInput/OutputSystem(BIOS)andSMsoftware
TheSMBIOSspecificationdefinesdatastructuresandaccessmethodsinaBIOSthatallowsauseror
applicationtostoreandretrieveinformationspecificaboutthecomputerinquestion.
•WakeonLAN
WakeonLANisanEthernetcomputernetworkingstandardthatallowsacomputertobeturnedon
orwokenupbyanetworkmessage.Themessageisusuallysentbyaprogramrunningonanother
computeronthesamelocalareanetwork.
•WakeonRing
WakeonRing,sometimesreferredtoasWakeonModem,isaspecificationthatallowssupported
computersanddevicestoresumefromsleeporhibernationmode.
•WindowsManagementInstrumentation(WMI)
WindowsManagementInstrumentationisasetofextensionstotheWindowsDriverModel.Itprovidesan
operatingsysteminterfacethroughwhichinstrumentedcomponentsprovideinformationandnotification.
2ThinkCentreM73UserGuide
Input/Output(I/O)features
•9-pinserialport(onestandardandoneoptional)
•OneEthernetconnector
•OneDisplayPortconnector
•OneVGAmonitorconnector
•OnePersonalSystem/2(PS/2)keyboardconnector
•OnePS/2mouseconnector
•FourUniversalSerialBus(USB)2.0connectors(twoonthefrontpanelandtwoontherearpanel)
•TwoUSB3.0connectorsontherearpanel
•Threeaudioconnectorsontherearpanel(audioline-inconnector,audioline-outconnector,and
microphoneconnector)
•Twoaudioconnectorsonthefrontpanel(microphoneconnectorandheadphoneconnector)
Formoreinformation,see“Locatingconnectors,controls,andindicatorsonthefrontofyourcomputer”on
page9
and“Locatingconnectorsontherearofyourcomputer”onpage10.
Expansion
•Oneharddiskdrivebay
•Oneopticaldrivebay
•Onesecondarysolid-statedrivebay(optional)
•Oneslimcardreaderdrivebay
•OnePCIExpressx16graphicscardslot
•TwoPCIExpressx1cardslots
Formoreinformation,see“Locatinginternaldrives”onpage14
.
Powersupply
Yourcomputercomeswith240-wattautomaticvoltage-sensingpowersupply.
Securityfeatures
•Abilitytoenableordisableadevice
•AbilitytoenableanddisableUSBconnectorsindividually
•ComputraceAgentsoftwareembeddedinfirmware
•Coverpresenceswitch(alsocalledintrusionswitch)(availableinsomemodels)
•Keyboardwithfingerprintreader(shippedwithsomemodels)
•Power-onpassword(POP),administratorpassword,andharddiskpasswordtodeterunauthorized
useofyourcomputer
•Startupsequencecontrol
•Startupwithoutkeyboardormouse
•SupportforaKensington-stylecablelock
•Supportforapadlock
Formoreinformation,seeChapter4“Security”onpage31
.
Preinstalledsoftwareprograms
Chapter1.Productoverview3
Yourcomputerispreinstalledwithsoftwareprogramstohelpyouworkmoreeasilyandsecurely.Formore
information,see“Lenovoprograms”onpage5
.
Preinstalledoperatingsystem
Yourcomputerispreinstalledwithoneofthefollowingoperatingsystems:Yourcomputerispreinstalledwith
oneofthefollowingoperatingsystems:
•MicrosoftWindows7operatingsystem
•MicrosoftWindows8operatingsystem
•MicrosoftWindows8.1operatingsystem
•MicrosoftWindows10operatingsystem
Operatingsystem(s),certifiedortestedforcompatibility
1
(variesbymodeltype)
•Linux
®
1.Theoperatingsystem(s)listedherearebeingcertifiedortestedforcompatibilityatthetimethispublicationgoesto
press.AdditionaloperatingsystemsmightbeidentifiedbyLenovoascompatiblewithyourcomputerfollowingthe
publicationofthismanual.Thislistissubjecttochange.Todetermineifanoperatingsystemhasbeencertifiedor
testedforcompatibility,checktheWebsiteoftheoperatingsystemvendor.
4ThinkCentreM73UserGuide
Specifications
Thissectionliststhephysicalspecificationsforyourcomputer.
Dimensions
Width:99.7mm(3.93inches)
Height:338mm(13.31inches)
Depth:385mm(15.16inches)
Weight
Maximumconfigurationasshipped:6.6kg(14.55lb)(withoutpackage)
Maximumconfigurationasshipped:8.96kg(19.75lb)(withpackage)
Environment
•Airtemperature:
Operating:10°Cto35°C(50°Fto95°F)
Storageinoriginalshippingpackage:-40°Cto60°C(-40°Fto140°F)
Storagewithoutpackage:-10°Cto60°C(14°Fto140°F)
•Humidity:
Operating:20%to80%(non-condensing)
Storage:20%to90%(non-condensing)
•Altitude:
Operating:-15.2to3048m(-50to10000ft)
Storage:-15.2to10668m(-50to35000ft)
Electricalinput
•Inputvoltage:
–Lowrange:
Minimum:100Vac
Maximum:127Vac
Inputfrequency:50/60Hz
–Highrange:
Minimum:200Vac
Maximum:240Vac
Inputfrequency:50/60Hz
Lenovoprograms
YourcomputercomeswithLenovoprogramstohelpyouworkmoreeasilyandsecurely.Dependingon
theWindowsoperatingsystempreinstalled,theprogramsmightvary.
Accessingaprogramonyourcomputer
Note:ForWindows7,someoftheLenovoprogramsmightbereadytobeinstalled,soyouneedtoinstall
themmanually.Then,youcanaccessandusetheseprograms.Toinstallaprogramthatisreadytobe
installed,opentheLenovoThinkVantage
®
Toolsprogram,andthenviewtheprogramiconsusingTiles.
Followtheinstructionsundergreyed-outiconstolocatetheiconforthedesiredprogram.Double-click
theicontoinstalltheprogram.
Chapter1.Productoverview5
Toaccessaprogramonyourcomputer,dooneofthefollowing:
•ForWindows7orWindows10:
–FromWindowsSearch:
1.DependingonyourWindowsversion,dooneofthefollowing:
–ForWindows7:ClicktheStartbuttontoopentheStartmenu,andthentypetheprogram
nameintothesearchbox.
–ForWindows10:TypetheprogramnameintothesearchboxnexttotheStartbutton.
2.Inthesearchresults,clickthenameofthedesiredprogramtolaunchtheprogram.
–FromtheStartmenuorControlPanel:
1.ClicktheStartbuttontoopentheStartmenu.Then,clickthenameofthedesiredprogramto
launchtheprogram.
2.Iftheprogramnameisnotdisplayed,clickAllProgramsforWindows7orAllappsforWindows
10todisplaytheprogramlist.Fromthelistorafolderinthelist,clickthenameofthedesired
programtolaunchtheprogram.
3.IftheprogramnameisnotdisplayedontheStartmenu,accesstheprogramfromControlPanel.
a.DependingonyourWindowsversion,dooneofthefollowing:
–ForWindows7:ClickControlPanelontheStartmenu.
–ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu,andthen
clickControlPanel.
b.ViewControlPanelusingLargeiconsorSmallicons,andthenclickthenameofthedesired
programtolaunchtheprogram.
•ForWindows8orWindows8.1:
1.PresstheWindowskeytogototheStartscreen.Clickthenameofthedesiredprogramto
launchtheprogram.
2.Ifyoucannotfindtheprogramyouneed,dependingonyourWindowsversion,dooneofthefollowing:
–ForWindows8:Movethepointertothebottom-rightcornerofthescreentodisplaythecharms.
ThenclicktheSearchcharmtosearchforthedesiredprogram.
–ForWindows8.1:Clickthearrowiconinthebottom-leftcornerofthescreentogotothe
Appsscreen.Findthedesiredprogramintheappslistorsearchforitinthesearchboxinthe
top-rightcornerofthescreen.
AnintroductiontoLenovoprograms
ThissectionprovidesinformationaboutthemajorLenovoprogramsavailableonyouroperatingsystem.
Note:Dependingonyourcomputermodel,someofthefollowingprogramsmightnotbeavailable.
•ForWindows7only:
–CreateRecoveryMedia
TheCreateRecoveryMediaprogramenablesyoutorestoreonlytheCdriveortheentirestorage
drivetothefactory-defaultsettings.
–LenovoPowerENGAGE
TheLenovoPowerENGAGEprogramenablesyoutoregisteryourcomputerwithLenovo.
6ThinkCentreM73UserGuide
–MessageCenterPlus
TheMessageCenterPlusprogramautomaticallydisplaysmessagesinformingyouaboutimportant
noticesfromLenovo,suchasalertsonsystemupdatesandalertsonconditionsthatrequireyour
attention.
–RescueandRecovery
®
TheRescueandRecoveryprogramisaone-buttonrecoveryandrestoresolution.Itincludesaset
ofself-recoverytoolstohelpyoudiagnosecomputerproblems,gethelp,andrecoverfromsystem
crashes,evenifyoucannotstarttheWindowsoperatingsystem.
•ForWindows10only:
–LenovoID
TheLenovoIDprogramenablesyoutocreateyourLenovoIDandaccessallsupportedLenovo
programsandwebportalswithsinglesign-on.
•ForWindows8andWindows8.1:
–LenovoSupport
TheLenovoSupportprogramenablesyoutoregisteryourcomputerwithLenovo,checkthecomputer
healthconditionandbatterystatus,downloadandviewusermanualsforyourcomputer,getthe
warrantyinformationofyourcomputer,andexplorehelpandsupportinformation.
•ForWindows7,Windows8,andWindows8.1:
–FingerprintManagerProorThinkVantageFingerprintSoftware
TheFingerprintManagerProorThinkVantageFingerprintSoftwareprogramenablesyoutousea
fingerprintreader.Theintegratedfingerprintreaderprovidedonsomekeyboardsenablesyoutoenroll
yourfingerprintandassociateitwithyourpower-onpassword,harddiskpassword,andWindows
password.Asaresult,fingerprintauthenticationcanreplacepasswordsandenablesimpleandsecure
useraccess.
–PasswordManager
ThePasswordManagerprogramautomaticallycapturesandfillsinauthenticationinformationfor
WindowsprogramsandWebsites.
•ForWindows7,Windows8.1,andWindows10:
–LenovoBluetoothLock
TheLenovoBluetoothLockprogramenablesyoutouseaBluetoothdevice(suchasyoursmartphone)
asaproximity-basedunitforlockingorunlockingyourcomputerautomatically.Bydetectingthe
distancebetweenyourcomputerandthepredefinedBluetoothdevicethatyouarecarrying,theLenovo
BluetoothLockprogramautomaticallylocksyourcomputerwhenyouwalkawayandunlocksyour
computerwhenyoucomeback.Thisisasimplewaytoprotectyourcomputeragainstunauthorized
accessincasethatyouforgettolockyourcomputer.
–PCCloudManager
ThePCCloudManager(PCM)programisabrowser-basedsolutionforclient-computermanagement.
ThePCMprogramhastwocomponents:PCMServerandPCMClient.PCMServerisinstalledon
thecomputer,wheretheadministratorperformsmanagementwork,suchaspowermanagement
andsecuritymanagement.PCMClientisinstalledontheclientcomputerstobemanaged.The
administratorcanlogintoPCMServertomanagecomputerswithPCMClientinstalled,throughthe
InternetWebbrowser.
•ForWindows8,Windows8.1,andWindows10:
Chapter1.Productoverview7
–LenovoCompanion
Yourcomputer’sbestfeaturesandcapabilitiesshouldbeeasytoaccessandunderstand.WithLenovo
Companion,theyare.UseLenovoCompaniontodothefollowing:
–Optimizeyourcomputer’sperformance,monitoryourcomputer’shealth,andmanageupdates.
–Accessyouruserguide,checkwarrantystatus,andviewaccessoriescustomizedforyourcomputer.
–Readhow-toarticles,exploreLenovoforums,andstayup-to-dateontechnologynewswitharticles
andblogsfromtrustedsources.
LenovoCompanionisfilledwithexclusiveLenovocontenttohelpyoulearnmoreaboutwhatyou
candowithyourcomputer.
•ForWindows7,Windows8,Windows8.1,andWindows10:
–LenovoDeviceExperienceorLenovoPCExperience
TheLenovoDeviceExperienceorLenovoPCExperienceprogramhelpsyouworkmoreeasilyand
securely.TheprogramprovideseasyaccesstoLenovoThinkVantageToolsorLenovoTools,important
settingsandinformationaboutyourcomputer,theLenovoSupportWebsite,andsoon.
–LenovoSolutionCenter
TheLenovoSolutionCenterprogramenablesyoutotroubleshootandresolvecomputerproblems.It
combinesdiagnostictests,systeminformationcollection,securitystatus,andsupportinformation,
alongwithhintsandtipsformaximumsystemperformance.
–PowerManager
ThePowerManagerprogramprovidesconvenient,flexible,andcompletepowermanagementfor
yourcomputer.Itenablesyoutoadjustyourcomputerpowersettingstoachievethebestbalance
betweenperformanceandpowersaving.
–REACHitorLenovoReach
TheREACHitorLenovoReachprogramenhancesyourcloudexperience.Thisprogramkeepsyou
connectedatalltimesandenablesyoutoaccessallyourfavoriteitemsfrompersonalcomputers,
smartphones,ortablets.Asaresult,youcanaccess,edit,andshareyourfilesfromanywhere.You
alsocanaddyourfavoriteWebservicestoyourclouddesktopandstaylogged-intoWebsiteswith
thecloudpasswordmanager.
–SHAREitorLenovoSHAREit
TheSHAREitorLenovoSHAREitprogramprovidesaquickandeasywaytosharefilesandfolders
amongcomputers,smartphones,tablets,orsmartTVswiththeAndroidortheWindowsoperating
systeminstalled.SHAREitorLenovoSHAREitusesanytypeofnetworkorevennonetworkatallto
sharefilesandfolders.
–SystemUpdate
TheSystemUpdateprogramprovidesregularaccesstothesystemupdatesforyourcomputer,such
asdevicedriverupdates,softwareupdates,andBIOSupdates.Theprogramgathersinformationfrom
theLenovoHelpCenteraboutnewupdatesforyourcomputer,thensortsanddisplaystheupdatesfor
downloadandinstallation.Youhavecompletecontrolofwhichupdatestodownloadandinstall.
Locations
Thissectionprovidesinformationtohelpyoulocatetheconnectorsonthefrontandrearofyourcomputer,
partsonthesystemboard,andcomponentsandinternaldrivesinyourcomputer.
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