Lenovo 10B4 User manual

ThinkCentreM73
UserGuide
MachineTypes:10B4,10B5,10B6,and10B7

Note:Beforeusingthisinformationandtheproductitsupports,esuretoreadandunderstandthe
“Importantsafetyinformation”onpagevandAppendixA“Notices”onpage125.
ThirdEdition(June2014)
©CopyrightLenovo201,2014.
LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuantaGeneralServicesAdministration
“GSA”contract,use,reproduction,ordisclosureissujecttorestrictionssetforthinContractNo.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
AccessingLenovoprogramsontheWindows
7operatingsystem............5
AccessingLenovoprogramsontheWindows
8orWindows8.1operatingsystem.....6
AnintroductiontoLenovoprograms.....7
Locations..................9
Locatingconnectors,controls,andindicators
onthefrontofyourcomputer........9
Locatingconnectorsontherearofyour
computer...............10
Locatingcomponents..........12
Locatingpartsonthesystemoard....13
Locatinginternaldrives.........14
Machinetypeandmodellael.......15
Chapter2.Usingyourcomputer...17
Frequentlyaskedquestions.........17
NavigatingamongscreensontheWindows8and
Windows8.1operatingsystems........18
NavigatingonWindows8........18
NavigatingonWindows8.1........19
AccessingControlPanelontheWindows8or
Windows8.1operatingsystem........20
Usingthekeyoard.............21
UsingWindowsshortcutkeys.......21
Usingafingerprintreader........21
Usingthewheelmouse...........22
Adjustingaudio..............22
Aoutyourcomputeraudio........22
Settingthevolumefromthedesktop....22
SettingthevolumefromControlPanel...23
UsingCDsandDVDs............23
HandlingandstoringCDandDVDmedia..24
PlayingaCDorDVD..........24
RecordingaCDorDVD.........24
Chapter.Youandyourcomputer..27
Accessiilityandcomfort..........27
Arrangingyourworkspace........27
Comfort...............27
Glareandlighting............28
Aircirculation.............28
Electricaloutletsandcalelengths.....28
Accessiilityinformation.........28
Registeringyourcomputer..........32
Movingyourcomputertoanothercountryor
region..................32
Chapter4.Security..........
Securityfeatures..............33
Lockingthecomputercover.........34
AttachingaKensington-stylecalelock.....35
Usingpasswords..............35
BIOSpasswords............35
Windowspasswords..........36
Configuringthefingerprintreader.......36
Usingandunderstandingfirewalls.......36
Protectingdataagainstviruses........36
Chapter5.Installingorreplacing
hardware...............9
Handlingstatic-sensitivedevices.......39
Installingorreplacinghardware........39
Installingexternaloptions........39
Removingthecomputercover.......40
Removingandreinstallingthefrontezel..40
Accessingthesystemoardcomponentsand
drives................42
Installingorreplacingamemorymodule...43
InstallingorreplacingaPCIExpresscard..45
Replacingtheattery..........47
Replacingtheharddiskdrive.......48
Replacingthesolid-statedrive......50
Installingorreplacingtheopticaldrive...55
Replacingtheheatsinkandfanassemly..58
Replacingthepowersupplyassemly...61
Replacingthemicroprocessor.......65
©CopyrightLenovo2013,2014i

ReplacingthefrontaudioandUSB
assemly...............67
Replacingthesystemfanassemly....68
ReplacingtheWiFiunits.........70
InstallingorremovingtherearWiFiantenna.75
InstallingorremovingthefrontWiFiantenna.77
Replacingthekeyoard.........79
Replacingthemouse..........80
Completingthepartsreplacement.....81
Chapter6.Recoveryinformation...8
RecoveryinformationfortheWindows7operating
system..................83
Creatingandusingrecoverymedia.....83
Performingackupandrecoveryoperations.84
UsingtheRescueandRecoveryworkspace.85
Creatingandusingarescuemedium....86
Reinstallingpreinstalledapplicationsand
devicedrivers.............87
Reinstallingsoftwareprograms......88
Reinstallingdevicedrivers........88
Solvingrecoveryprolems........88
RecoveryinformationfortheWindows8or
Windows8.1operatingsystem........89
Refreshingyourcomputer........89
Resettingyourcomputertothefactorydefault
settings................89
Usingtheadvancedstartupoptions....89
RecoveringyouroperatingsystemifWindows
8orWindows8.1failstostart.......90
Chapter7.UsingtheSetupUtility
program................91
StartingtheSetupUtilityprogram.......91
Viewingandchangingsettings........91
Usingpasswords..............91
Passwordconsiderations.........92
Power-OnPassword..........92
AdministratorPassword.........92
HardDiskPassword...........92
Setting,changing,anddeletingapassword.92
Erasinglostorforgottenpasswords(clearing
CMOS)................93
Enalingordisalingadevice........93
Selectingastartupdevice..........94
Selectingatemporarystartupdevice....94
Selectingorchangingthestartupdevice
sequence...............94
EnalingErPLPScompliancemode......94
ICEperformancemode...........95
ICEthermalalert..............95
ExitingfromtheSetupUtilityprogram.....96
Chapter8.Updatingsystem
programs...............97
Usingsystemprograms...........97
Updating(flashing)theBIOSfromadisc....97
Updating(flashing)theBIOSfromyouroperating
system..................98
RecoveringfromaPOST/BIOSupdatefailure..98
Chapter9.Preventingproblems...99
Keepingyourcomputercurrent........99
Gettingthelatestdevicedriversforyour
computer...............99
Updatingyouroperatingsystem......99
UsingSystemUpdate..........100
Cleaningandmaintenance..........100
Basics................100
Cleaningyourcomputer.........101
Goodmaintenancepractices.......102
Movingyourcomputer...........102
Chapter10.Troubleshootingand
diagnostics.............10
Basictrouleshooting............103
Trouleshootingprocedure..........104
Trouleshooting..............104
Audioprolems............105
CDprolems.............106
DVDprolems.............107
Intermittentprolems..........109
Keyoard,mouse,orpointingdevice
prolems...............109
Monitorprolems............111
Networkingprolems..........112
Optionprolems............115
Performanceandlockupprolems.....116
Printerprolems............118
Serialportprolems...........118
Softwareprolems...........119
USBprolems.............120
LenovoSolutionCenter...........120
Chapter11.Gettinginformation,help,
andservice.............121
Informationresources............121
LenovoThinkVantageTools........121
HelpandSupport............121
SafetyandWarranty...........121
LenovoWesite............121
LenovoSupportWesite.........122
Helpandservice..............122
Usingthedocumentationanddiagnostic
program...............122
iiThinkCentreM73UserGuide

Callingforservice............122
Usingotherservices..........123
Purchasingadditionalservices......123
AppendixA.Notices.........125
Trademarks................126
AppendixB.Regulatory
information.............127
Exportclassificationnotice..........127
Televisionoutputnotice...........127
Electronicemissionsnotices.........127
FederalCommunicationsCommission
DeclarationofConformity........127
Eurasiancompliancemark..........129
Brazilregulatorynotice...........129
Mexicoregulatorynotice...........129
Additionalregulatoryinformation.......130
AppendixC.WEEEandrecycling
information.............11
ImportantWEEEinformation.........131
RecyclinginformationforJapan........131
RecyclinginformationforBrazil........132
BatteryrecyclinginformationforTaiwan.....132
BatteryrecyclinginformationfortheEuropean
Union..................132
AppendixD.RestrictionofHazardous
SubstancesDirective(RoHS)....15
EuropeanUnionRoHS...........135
ChinaRoHS................135
TurkishRoHS...............135
UkraineRoHS...............136
IndiaRoHS................136
AppendixE.ChinaEnergyLabel..17
AppendixF .ENERGYSTARmodel
information.............19
Index.................141
©CopyrightLenovo2013,2014iii

ivThinkCentreM73UserGuide

Importantsafetyinformation
CAUTION:
Beforeusingthismanual,besuretoreadandunderstandalltherelatedsafetyinformationforthis
product.RefertotheinformationinthissectionandthesafetyinformationintheSafety,Warranty,and
SetupGuidethatyoureceivedwiththisproduct.Readingandunderstandingthissafetyinformation
reducestheriskofpersonalinjuryanddamagetoyourproduct.
IfyounolongerhaveacopyoftheSafety,Warranty,andSetupGuide,youcanotainaPortaleDocument
Format(PDF)versionfromtheLenovo®SupportWesiteathttp://www.lenovo.com/support.TheLenovo
SupportWesitealsoprovidestheSafety,Warranty,andSetupGuideandthisUserGuideinadditional
languages.
Serviceandupgrades
DonotattempttoserviceaproductyourselfunlessinstructedtodosoytheCustomerSupportCenteror
yourdocumentation.OnlyuseaServiceProviderwhoisapprovedtorepairyourparticularproduct.
Note:Somecomputerpartscaneupgradedorreplacedythecustomer.Upgradestypicallyare
referredtoasoptions.ReplacementpartsapprovedforcustomerinstallationarereferredtoasCustomer
ReplacealeUnits,orCRUs.Lenovoprovidesdocumentationwithinstructionswhenitisappropriatefor
customerstoinstalloptionsorreplaceCRUs.Youmustcloselyfollowallinstructionswheninstallingor
replacingparts.TheOffstateofapowerindicatordoesnotnecessarilymeanthatvoltagelevelsinsidea
productarezero.Beforeyouremovethecoversfromaproductequippedwithapowercord,alwaysmake
surethatthepoweristurnedoffandthattheproductisunpluggedfromanypowersource.Formore
informationonCRUs,refertoChapter5“Installingorreplacinghardware”onpage39.Ifyouhaveany
questionsorconcerns,contacttheCustomerSupportCenter.
Althoughtherearenomovingpartsinyourcomputerafterthepowercordhaseendisconnected,the
followingwarningsarerequiredforyoursafety.
CAUTION:
Hazardousmovingparts.Keepfingersandotherbodypartsaway.
CAUTION:
Beforeyouopenthecomputercover,turnoffthecomputerandwaitseveralminutesuntilthe
computeriscool.
Staticelectricityprevention
Staticelectricity,althoughharmlesstoyou,canseriouslydamagecomputercomponentsandoptions.
Improperhandlingofstatic-sensitivepartscancausedamagetothepart.Whenyouunpackanoption
©CopyrightLenovo2013,2014v

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.
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.
Alwaysconnectpowercordsandsignalcalesinthecorrectorderandensurethatallpowercord
connectorsaresecurelyandcompletelypluggedintoreceptacles.
Donotuseanypoweradapterthatshowscorrosionattheacinputpinsorshowssignsofoverheating(such
asdeformedplastic)attheacinputoranywhereonthepoweradapter.
Donotuseanypowercordswheretheelectricalcontactsoneitherendshowsignsofcorrosionor
overheatingorwherethepowercordappearstohaveeendamagedinanyway.
Extensioncordsandrelateddevices
Ensurethatextensioncords,surgeprotectors,uninterruptilepowersupplies,andpowerstripsthatyouuse
areratedtohandletheelectricalrequirementsoftheproduct.Neveroverloadthesedevices.Ifpowerstrips
areused,theloadshouldnotexceedthepowerstripinputrating.Consultanelectricianformoreinformation
ifyouhavequestionsaoutpowerloads,powerrequirements,andinputratings.
viThinkCentreM73UserGuide

Plugsandoutlets
Ifareceptacle(poweroutlet)thatyouintendtousewithyourcomputerequipmentappearstoedamaged
orcorroded,donotusetheoutletuntilitisreplacedyaqualifiedelectrician.
Donotendormodifytheplug.Iftheplugisdamaged,contactthemanufacturertootainareplacement.
Donotshareanelectricaloutletwithotherhomeorcommercialappliancesthatdrawlargeamountsof
electricity;otherwise,unstalevoltagemightdamageyourcomputer,data,orattacheddevices.
Someproductsareequippedwithathree-prongedplug.Thisplugfitsonlyintoagroundedelectricaloutlet.
Thisisasafetyfeature.Donotdefeatthissafetyfeatureytryingtoinsertitintoanon-groundedoutlet.If
youcannotinserttheplugintotheoutlet,contactanelectricianforanapprovedoutletadapterortoreplace
theoutletwithonethatenalesthissafetyfeature.Neveroverloadanelectricaloutlet.Theoverallsystem
loadshouldnotexceed80percentoftheranchcircuitrating.Consultanelectricianformoreinformation
ifyouhavequestionsaoutpowerloadsandranchcircuitratings.
Besurethatthepoweroutletyouareusingisproperlywired,easilyaccessile,andlocatedclosetothe
equipment.Donotfullyextendpowercordsinawaythatwillstressthecords.
Besurethatthepoweroutletprovidesthecorrectvoltageandcurrentfortheproductyouareinstalling.
Carefullyconnectanddisconnecttheequipmentfromtheelectricaloutlet.
Externaldevices
DonotconnectordisconnectanyexternaldevicecalesotherthanUniversalSerialBus(USB)and1394
caleswhilethecomputerpowerison;otherwise,youmightdamageyourcomputer.Toavoidpossile
damagetoattacheddevices,waitatleastfivesecondsafterthecomputerisshutdowntodisconnect
externaldevices.
Heatandproductventilation
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.
Inspectyourdesktopcomputerfordustaccumulationatleastonceeverythreemonths.Beforeinspecting
yourcomputer,turnoffthepowerandunplugthecomputer'spowercordfromtheelectricaloutlet;then
removeanydustfromventsandperforationsintheezel.Ifyounoticeexternaldustaccumulation,then
examineandremovedustfromtheinsideofthecomputerincludingheatsinkinletfins,powersupplyvents,
andfans.Alwaysturnoffandunplugthecomputereforeopeningthecover.Ifpossile,avoidoperating
yourcomputerwithintwofeetofhigh-trafficareas.Ifyoumustoperateyourcomputerinornearahigh-traffic
area,inspectand,ifnecessary,cleanyourcomputermorefrequently.
©CopyrightLenovo2013,2014vii

Foryoursafetyandtomaintainoptimumcomputerperformance,alwaysfollowtheseasicprecautions
withyourdesktopcomputer:
•Keepthecoverclosedwheneverthecomputerispluggedin.
•Regularlyinspecttheoutsideofthecomputerfordustaccumulation.
•Removedustfromventsandanyperforationsintheezel.Morefrequentcleaningsmighterequiredfor
computersindustyorhigh-trafficareas.
•Donotrestrictorlockanyventilationopenings.
•Donotstoreoroperateyourcomputerinsidefurniture,asthismightincreasetheriskofoverheating.
•Airflowtemperaturesintothecomputershouldnotexceed35°C(95°F).
•Donotinstallairfiltrationdevices.Theymayinterferewithpropercooling.
Operatingenvironment
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
appliancescandamagethemonitoranddataontheharddiskdrive.
Donotplaceanyeveragesontopoforesidethecomputerorotherattacheddevices.Ifliquidisspilledon
orinthecomputeroranattacheddevice,ashortcircuitorotherdamagemightoccur.
Donoteatorsmokeoveryourkeyoard.Particlesthatfallintoyourkeyoardcancausedamage.
Lasercompliancestatement
CAUTION:
Whenlaserproducts(suchasCD-ROMs,DVDdrives,fiberopticdevices,ortransmitters)are
installed,notethefollowing:
•Donotremovethecovers.Removingthecoversofthelaserproductcouldresultinexposureto
hazardouslaserradiation.Therearenoserviceablepartsinsidethedevice.
•Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespecifiedherein
mightresultinhazardousradiationexposure.
DANGER
SomelaserproductscontainanembeddedClassAorClassBlaserdiode.Notethefollowing:
Laserradiationwhenopen.Donotstareintothebeam,donotviewdirectlywithoptical
instruments,andavoiddirectexposuretothebeam.
viiiThinkCentreM73UserGuide

Powersupplystatement
Neverremovethecoveronapowersupplyoranypartthathasthefollowinglaelattached.
Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislaelattached.
Therearenoservicealepartsinsidethesecomponents.Ifyoususpectaprolemwithoneoftheseparts,
contactaservicetechnician.
Cleaningandmaintenance
Keepyourcomputerandworkspaceclean.Shutdownthecomputerandthendisconnectthepower
cordeforecleaningthecomputer.Donotsprayanyliquiddetergentdirectlyonthecomputeroruse
anydetergentcontainingflammalematerialtocleanthecomputer.Spraythedetergentonasoftcloth
andthenwipethecomputersurfaces.
©CopyrightLenovo2013,2014ix

xThinkCentreM73UserGuide

Chapter1.Productoverview
Thischapterprovidesinformationaoutthecomputerfeatures,specifications,softwareprogramsprovided
yLenovo,andlocationsofconnectors,components,partsonthesystemoard,andinternaldrives.
Features
Thissectionintroducesthecomputerfeatures.Theinformationcoversavarietyofmodels.
Toviewtheinformationaoutyourspecificmodel,dooneofthefollowing:
•GointotheSetupUtilityprogramyfollowingtheinstructionsinChapter7“UsingtheSetupUtility
program”onpage91.Then,selectMain➙SystemSummarytoviewtheinformation.
•OntheMicrosoft®Windows®7operationsystem,clickStart,right-clickComputer,andselectProperties
toviewtheinformation.
•OntheMicrosoftWindows8orWindows8.1operatingsystem,gotothedesktopandmoveyourpointer
tothetop-rightorottom-rightcornerofthescreentodisplaythecharms.ThenclickSettings➙PC
infotoviewtheinformation.
Microprocessor
Toviewthemicroprocessorinformationofyourcomputer,dothefollowing:
•OntheMicrosoftWindows7operationsystem,clickStart,right-clickComputer,andselectProperties
toviewtheinformation.
•OntheMicrosoftWindows8orWindows8.1operatingsystem,gotothedesktopandmoveyourpointer
tothetop-rightorottom-rightcornerofthescreentodisplaythecharms.ThenclickSettings➙PC
infotoviewtheinformation.
Memory
Yourcomputersupportsupto2douledatarate3dualinlinememorymodules(DDR3DIMMs).
Internaldrives
•Opticaldrive:DVD-ROMorDVD-R
•Hyriddrive
•SerialAdvancedTechnologyAttachment(SATA)harddiskdrive
•SATAsolid-statedrive
Videosubsystem
•IntegratedgraphicsforaVideoGraphicsArray(VGA)connectorandaDisplayPort®connector
•PeripheralComponentInterconnect(PCI)Expressx16graphicscardslotonthesystemoardfora
discretegraphicscard
Audiosubsystem
•Integratedhigh-definition(HD)audio
•Audioline-inconnector,audioline-outconnector,andmicrophoneconnectorontherearpanel
•Microphoneconnectorandheadphoneconnectoronthefrontpanel
©CopyrightLenovo2013,20141

•Internalspeaker(availaleonsomemodels)
Connectivity
•100/1000MpsintegratedEthernetcontroller
•PCIEx1Faxmodem(somemodels)
Systemmanagementfeatures
•Ailitytostorepower-onself-test(POST)hardwaretestresults
•DesktopManagementInterface(DMI)
DesktopManagementInterfaceprovidesacommonpathforuserstoaccessinformationaoutall
aspectsofacomputer,includingprocessortype,installationdate,attachedprintersandotherperipherals,
powersources,andmaintenancehistory.
•ErPLPScompliancemode
Theenergy-relatedproductsdirective(ErP)lowestpowerstate(LPS)compliancemodereducesthe
consumptionofelectricitywhenyourcomputerisinsleeporoffmode.Formoreinformation,see
“EnalingErPLPScompliancemode”onpage94.
•PreootExecutionEnvironment(PXE)
ThePreootExecutionEnvironmentisanenvironmenttostartcomputersusinganetworkinterface
independentofdatastoragedevices(suchastheharddiskdrive)orinstalledoperatingsystems.
•IntelligentCoolingEngine(ICE)
TheIntelligentCoolingEngineisasystemthermalmanagementsolutionthatenalesyourcomputer
torunwithetterthermalandacousticperformance.TheICEfunctionalsomonitorsthethermal
performanceofyourcomputertoidentifythermalprolems.Formoreinformation,see“ICEperformance
mode”onpage95and“ICEthermalalert”onpage95.
•SystemManagement(SM)BasicInput/OutputSystem(BIOS)andSMsoftware
TheSMBIOSspecificationdefinesdatastructuresandaccessmethodsinaBIOSthatallowsauseror
applicationtostoreandretrieveinformationspecificaoutthecomputerinquestion.
•WakeonLAN
WakeonLANisanEthernetcomputernetworkingstandardthatallowsacomputertoeturnedon
orwokenupyanetworkmessage.Themessageisusuallysentyaprogramrunningonanother
computeronthesamelocalareanetwork.
•WakeonRing
WakeonRing,sometimesreferredtoasWakeonModem,isaspecificationthatallowssupported
computersanddevicestoresumefromsleeporhiernationmode.
•WindowsManagementInstrumentation(WMI)
WindowsManagementInstrumentationisasetofextensionstotheWindowsDriverModel.Itprovidesan
operatingsysteminterfacethroughwhichinstrumentedcomponentsprovideinformationandnotification.
2ThinkCentreM73UserGuide

Input/Output(I/O)features
•9-pinserialport(onestandardandoneoptional)
•OneEthernetconnector
•OneDisplayPortconnector
•OneVGAmonitorconnector
•OnePersonalSystem/2(PS/2)keyoardconnector
•OnePS/2mouseconnector
•FourUniversalSerialBus(USB)2.0connectors(twoonthefrontpanelandtwoontherearpanel)
•TwoUSB3.0connectorsontherearpanel
•Threeaudioconnectorsontherearpanel(audioline-inconnector,audioline-outconnector,and
microphoneconnector)
•Twoaudioconnectorsonthefrontpanel(microphoneconnectorandheadphoneconnector)
Formoreinformation,see“Locatingconnectors,controls,andindicatorsonthefrontofyourcomputer”on
page9and“Locatingconnectorsontherearofyourcomputer”onpage10.
Expansion
•Oneharddiskdriveay
•Oneopticaldriveay
•Onesecondarysolid-statedriveay(optional)
•Oneslimcardreaderdriveay
•OnePCIExpressx16graphicscardslot
•TwoPCIExpressx1cardslots
Formoreinformation,see“Locatinginternaldrives”onpage14.
Powersupply
Yourcomputercomeswith240-wattautomaticvoltage-sensingpowersupply.
Securityfeatures
•Ailitytoenaleordisaleadevice
•AilitytoenaleanddisaleUSBconnectorsindividually
•ComputraceAgentsoftwareemeddedinfirmware
•Coverpresenceswitch(alsocalledintrusionswitch)(availaleinsomemodels)
•Keyoardwithfingerprintreader(shippedwithsomemodels)
•Power-onpassword(POP),administratorpassword,andharddiskpasswordtodeterunauthorized
useofyourcomputer
•Startupsequencecontrol
•Startupwithoutkeyoardormouse
•SupportforaKensington-stylecalelock
•Supportforapadlock
Formoreinformation,seeChapter4“Security”onpage33.
Preinstalledsoftwareprograms
Chapter1.Productoverview

Yourcomputerispreinstalledwithsoftwareprogramstohelpyouworkmoreeasilyandsecurely.Formore
information,see“Lenovoprograms”onpage5.
Preinstalledoperatingsystem
Yourcomputerispreinstalledwithoneofthefollowingoperatingsystems:
•MicrosoftWindows7operatingsystem
•MicrosoftWindows8operatingsystem
•MicrosoftWindows8.1operatingsystem
Operatingsystem(s),certifiedortestedforcompatibility1(variesymodeltype)
•Linux®
1.Theoperatingsystem(s)listedhereareeingcertifiedortestedforcompatiilityatthetimethispulicationgoesto
press.AdditionaloperatingsystemsmighteidentifiedyLenovoascompatilewithyourcomputerfollowingthe
pulicationofthismanual.Thislistissujecttochange.Todetermineifanoperatingsystemhaseencertifiedor
testedforcompatiility,checktheWesiteoftheoperatingsystemvendor.
4ThinkCentreM73UserGuide

Specifications
Thissectionliststhephysicalspecificationsforyourcomputer.
Dimensions
Width:99.7mm(3.93inches)
Height:338mm(13.31inches)
Depth:385mm(15.16inches)
Weight
Maximumconfigurationasshipped:6.6kg(14.55l)(withoutpackage)
Maximumconfigurationasshipped:8.96kg(19.75l)(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.
AccessingLenovoprogramsontheWindows7operatingsystem
YoucanaccessLenovoprogramsontheWindows7operatingsystemthroughWindowsSearchorfrom
ControlPanel.TheiconnamedisplayedinthesearchresultorControlPanelmightedifferentfromthe
programname.YoucanfindtheprogramyitsprogramnameoriconnameasshownintheLenovo
programsavailableontheWindows7operatingsystemtale.
Chapter1.Productoverview5

Note:Ifyoudonotfindtheprogramyouneed,opentheLenovoThinkVantage®Toolsprogramtofindthe
dimmediconfortheprogram.Thendoule-clicktheicontoinstalltheprogram.
ToaccessLenovoprogramsthroughWindowsSearch,dothefollowing:
1.ClicktheStartuttonandthentypetheprogramnameortheiconnameintothesearchox.
2.Locatetheprogramytheprogramnameortheiconnameandthenclicktheprogramtolaunchit.
ToaccessLenovoprogramsfromControlPanel,dothefollowing:
Note:SomeLenovoprogramsmightnotedisplayedinControlPanel.Tofindtheseprograms,use
WindowsSearch.
1.ClickStart➙ControlPanel.ChangetheviewofControlPanelfromCategorytoLargeiconsorSmall
icons.
2.Locatetheprogramytheiconnameandthenclicktheprogramtolaunchit.
ThefollowingtaleliststheprogramsavailaleontheWindows7operatingsystem.
Note:Dependingonyourcomputermodel,someoftheLenovoprogramsmightnoteavailale.
Table1.LenovoprogramsavailableontheWindows7operatingsystem
ProgramnameIconname
CommunicationsUtilityLenovo-WeConferencing
FingerprintManagerProor
ThinkVantageFingerprintSoftware
Lenovo-FingerprintManagerProorLenovo-FingerprintReader
LenovoBluetoothLockLenovoBluetoothLock
LenovoReachLenovoReach
LenovoSHAREitLenovoSHAREit
LenovoSolutionCenterLenovo-SystemHealthandDiagnostics
LenovoThinkVantageToolsLenovoThinkvantageTools
PasswordManagerLenovo-PasswordVault
PCCloudManagerPCCloudManager
PowerManagerLenovo-PowerControls
RecoveryMediaLenovo-FactoryRecoveryDisksorCreateRecoveryMedia
RescueandRecovery®Lenovo-EnhancedBackupandRestore
SystemUpdateLenovo-UpdateandDrivers
ViewManagementUtilityLenovo-ViewManagementUtility
AccessingLenovoprogramsontheWindows8orWindows8.1operating
system
IfyourcomputerispreinstalledwiththeWindows8orWindows8.1operatingsystem,youcanaccess
Lenovoprogramsydoingoneofthefollowing:
•OntheWindows8operatingsystem,presstheWindowskeytogototheStartscreen.ClickaLenovo
programtolaunchit.Ifyoucannotfindtheprogramyouneed,movethepointertotheottom-rightcorner
ofthescreentodisplaythecharms.ThenclicktheSearchcharmtosearchforthedesiredprogram.
6ThinkCentreM73UserGuide

•OntheWindows8.1operatingsystem,presstheWindowskeytogototheStartscreen.Clicka
Lenovoprogramtolaunchit.Ifyoucannotfindtheprogramyouneed,clickthearrowiconinthe
ottom-leftcornerofthescreentogototheAppsscreen.Findthedesiredprogramintheappslistor
searchforitinthesearchoxinthetop-rightcornerofthescreen.
Dependingonyourcomputermodel,yourcomputersupportssomeofthefollowingLenovoprograms:
•FingerprintManagerProorThinkVantageFingerprintSoftware
•LenovoBluetoothLock(Windows8.1only)
•LenovoCompanion
•LenovoReach
•LenovoSettings
•LenovoSHAREit
•LenovoSolutionCenter
•LenovoSupport
•LenovoTools
•PasswordManager
•PowerManager
•PCCloudManager(Windows8.1only)
•SystemUpdate
AnintroductiontoLenovoprograms
ThistopicprovidesariefintroductiontosomeLenovoprograms.
Note:Dependingonyourcomputermodel,someoftheprogramsmightnoteavailale.
•CommunicationsUtility(Windows7)
TheCommunicationsUtilityprogramprovidesacentrallocationforintegratedcameraandmicrophone
settings.ItcontrolsadvancedsettingsfortheintegratedmicrophoneandcameratooptimizeWe
conferencingandVoiceoverIP(VOIP)experience.
•FingerprintManagerProorThinkVantageFingerprintSoftware(Windows7,Windows8,and
Windows8.1)
Theintegratedfingerprintreaderprovidedonsomekeyoardsenalesyoutoenrollyourfingerprint
andassociateitwithyourpower-onpassword,harddiskpassword,andWindowspassword.Asa
result,fingerprintauthenticationcanreplacepasswordsandenalesimpleandsecureuseraccess.A
fingerprintreaderkeyoardisavailalewithselectcomputersorcanepurchasedforcomputersthat
supportthisoption.
•LenovoBluetoothLock(Windows7andWindows8.1)
TheLenovoBluetoothLockprogramenalesyoutouseaBluetoothdevice(suchasyoursmartphone)as
aproximity-asedunitforlockingorunlockingyourcomputerautomatically.Bydetectingthedistance
etweenyourcomputerandthepredefinedBluetoothdevicethatyouarecarrying,theLenovoBluetooth
Lockprogramautomaticallylocksyourcomputerwhenyouwalkawayandunlocksyourcomputerwhen
youcomeack.Thisisasimplewaytoprotectyourcomputeragainstunauthorizedaccessincase
thatyouforgettolockyourcomputer.
•LenovoCompanion(Windows8andWindows8.1)
ThroughtheLenovoCompanionprogram,youcangettheinformationaouttheaccessoriesforyour
computer,viewlogsandarticlesaoutyourcomputer,andcheckforotherrecommendedprograms.
Chapter1.Productoverview7

•LenovoReach(Windows7,Windows8,andWindows8.1)
UsetheLenovoReachprogramtoenhanceyourcloudexperience.LenovoReachkeepsyouconnected
atalltimesandenalesyoutoaccessallyourfavoriteitemsfrompersonalcomputers,smartphones,or
talets.WithLenovoReach,youcanaddyourfavoriteWeservicestoyourclouddesktop;staylogged
intoWesiteswiththecloudpasswordmanager;andaccess,edit,andshareyourfilesfromanywhere.
•LenovoSettings(Windows8andWindows8.1)
UsetheLenovoSettingsprogramtoenhanceyourcomputingexperience.Youcanturnyourcomputer
intoaportalehotspot,configurecameraandaudiosettings,optimizeyourpowerplansettings,and
createandmanagemultiplenetworkprofiles.
•LenovoSHAREit(Windows7,Windows8,andWindows8.1)
TheLenovoSHAREitprogramprovidesaquickandeasywaytosharefilesandfoldersamongcomputers,
smartphones,talets,orsmartTVswiththeAndroidortheWindowsoperatingsysteminstalled.SHAREit
usesanytypeofnetworkorevennonetworkatalltosharefilesandfolders.
•LenovoSolutionCenter(Windows7,Windows8,andWindows8.1)
TheLenovoSolutionCenterprogramenalesyoutotrouleshootandresolvecomputerprolems.It
cominesdiagnostictests,systeminformationcollection,securitystatus,andsupportinformation,along
withhintsandtipsformaximumsystemperformance.
•LenovoSupport(Windows8andWindows8.1)
TheLenovoSupportprogramenalesyoutoregisteryourcomputerwithLenovo,checkthecomputer
healthconditionandatterystatus,downloadandviewusermanualsforyourcomputer,getthewarranty
informationofyourcomputer,andexplorehelpandsupportinformation.
•LenovoThinkVantageTools(Windows7)
TheLenovoThinkVantageToolsprogramguidesyoutoahostofinformationsourcesandprovideseasy
accesstovarioustoolstohelpyouworkmoreeasilyandsecurely.
•LenovoTools(Windows8andWindows8.1)
TheLenovoToolsprogramguidesyoutoahostofinformationsourcesandprovideseasyaccessto
varioustoolstohelpyouworkmoreeasilyandsecurely.
•PasswordManager(Windows7,Windows8,andWindows8.1)
ThePasswordManagerprogramautomaticallycapturesandfillsinauthenticationinformationfor
WindowsprogramsandWesites.
•PCCloudManager(Windows7andWindows8.1)
ThePCCloudManager(PCM)programisarowser-asedsolutionforclient-computermanagement.
ThePCMprogramhastwocomponents:PCMServerandPCMClient.PCMServerisinstalledonthe
computer,wheretheadministratorperformsmanagementwork,suchaspowermanagementandsecurity
management.PCMClientisinstalledontheclientcomputerstoemanaged.Theadministratorcanlog
intoPCMServertomanagecomputerswithPCMClientinstalled,throughtheInternetWerowser.
•PowerManager(Windows7,Windows8,andWindows8.1)
ThePowerManagerprogramprovidesconvenient,flexile,andcompletepowermanagementforyour
computer.Itenalesyoutoadjustyourcomputerpowersettingstoachievetheestalanceetween
performanceandpowersaving.
•RecoveryMedia(Windows7)
TheRecoveryMediaprogramenalesyoutorestorethecontentsoftheharddiskdrivetothefactory
defaultsettings.
•RescueandRecovery(Windows7)
TheRescueandRecoveryprogramisaone-uttonrecoveryandrestoresolutionthatincludesasetof
self-recoverytoolstohelpyoudiagnosecomputerprolems,gethelp,andrecoverfromsystemcrashes,
evenifyoucannotstarttheWindowsoperatingsystem.
8ThinkCentreM73UserGuide