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ThinkCentreM79
UserGuide
MachineTypes:10CT,10CU,10CV,and10CW
Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadandunderstandthe“Read
thisfirst:Importantsafetyinformation”onpagev
andAppendixF“Notices”onpage135.
FirstEdition(July2014)
©CopyrightLenovo2014.
LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuantaGeneralServicesAdministration
“GSA”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.GS-35F-05925.
Contents
Readthisfirst:Importantsafety
information...............v
Beforeusingthismanual............v
Serviceandupgrades.............v
Staticelectricityprevention...........vi
Powercordsandpoweradapters........vi
Extensioncordsandrelateddevices.......vi
Plugsandoutlets..............vii
Externaldevices..............vii
Heatandproductventilation.........vii
Operatingenvironment...........viii
Lasercompliancestatement.........viii
Powersupplystatement............ix
Cleaningandmaintenance...........ix
Chapter1.Productoverview......1
Locations..................1
Locatingconnectors,controls,andindicators
onthefrontofyourcomputer........2
Locatingconnectorsontherearofyour
computer................3
Locatingcomponents...........5
Locatingpartsonthesystemboard.....6
Locatinginternaldrives..........7
Locatingthemachinetypeandmodellabel..8
Features..................8
Specifications...............12
Lenovoprograms.............12
AccessingLenovoprogramsontheWindows
7operatingsystem...........12
AccessingLenovoprogramsontheWindows
8.1operatingsystem..........13
AnintroductiontoLenovoprograms....14
Chapter2.Usingyourcomputer...17
Registeringyourcomputer..........17
Usingkeyboardshortcuts..........17
Usingthefingerprintreader..........18
Usingthewheelmouse...........18
Managingpower..............18
Advancedconfigurationandpowerinterface
(ACPI)BIOS..............19
AutomaticPower-onfeatures.......19
Settingthecomputervolume.........19
Settingthevolumefromthedesktop....19
SettingthevolumefromControlPanel...20
Usingadisc................20
Usingtheopticaldrive..........20
Handlingandstoringadisc........21
Playingandremovingadisc.......21
Recordingadisc............21
NavigatingamongscreensontheWindows8.1
operatingsystem..............22
AccessingControlPanelontheWindows8.1
operatingsystem..............23
Frequentlyaskedquestions.........23
Chapter3.Youandyourcomputer..25
Accessibilityandcomfort..........25
Arrangingyourworkspace........25
Comfort...............25
Glareandlighting............26
Aircirculation.............26
Electricaloutletsandcablelengths.....26
Accessibilityinformation.........26
Movingyourcomputertoanothercountryor
region..................30
Chapter4.Security..........31
Securityfeatures..............31
Lockingthecomputercover.........31
AttachingaKensington-stylecablelock.....33
Usingpasswords..............33
BIOSpasswords............33
Windowspasswords..........34
Configuringthefingerprintreader.......34
Usingandunderstandingfirewalls.......34
Protectingdataagainstviruses........34
Chapter5.Advancedconfiguration..35
UsingtheSetupUtilityprogram........35
StartingtheSetupUtilityprogram.....35
Viewingandchangingsettings......35
UsingBIOSpasswords.........36
Enablingordisablingadevice.......37
Selectingastartupdevice........38
EnablingErPLPScompliancemode....38
ICEperformancemode.........39
ICEthermalalert............39
ExitingtheSetupUtilityprogram......40
UpdatingorrecoveringtheBIOS.......40
BIOSlevels..............40
Usingsystemprograms.........40
ChangingtheBIOSsettingsbeforeinstallinga
newoperatingsystem..........41
UpdatingtheBIOSfromadisc......41
©CopyrightLenovo2014
i
UpdatingtheBIOSfromyouroperating
system................42
RecoveringfromaBIOSupdatefailure...42
Chapter6.Preventingproblems...45
Keepingyourcomputercurrent........45
Gettingthelatestdevicedriversforyour
computer...............45
Updatingyouroperatingsystem......45
UsingtheSystemUpdateprogram.....46
Cleaningandmaintenance..........46
Basics................46
Cleaningyourcomputer.........46
Goodmaintenancepractices.......47
Movingyourcomputer...........48
Chapter7.Troubleshootingand
diagnostics..............49
Basictroubleshooting............49
Troubleshootingprocedure..........50
Troubleshooting..............50
Audioproblems............51
CDproblems.............51
DVDproblems.............52
Intermittentproblems..........53
Harddiskdriveproblems.........53
Problemswiththekeyboardormouse...54
Monitorproblems............55
Networkingproblems..........56
Ihaveconnectedanoptiontomycomputer,
butitdoesnotwork...........58
Performanceandlockupproblems.....58
Theprinterdoesnotwork........59
Serialconnectorcannotbeaccessed....59
Softwareproblems...........59
MyUSBconnectorscannotbeaccessed..60
Diagnostics................60
LenovoSolutionCenter.........60
Chapter8.Recoveryinformation...63
RecoveryinformationfortheWindows7operating
system..................63
Creatingandusingrecoverymedia.....63
Performingbackupandrecoveryoperations.64
Creatingandusingarescuemedium....66
Reinstallingprogramsanddevicedrivers..66
Solvingrecoveryproblems........68
RecoveryinformationfortheWindows8.1
operatingsystem..............68
Refreshingyourcomputer........68
Resettingyourcomputertothefactory-default
settings................68
Usingtheadvancedstartupoptions....69
RecoveringyouroperatingsystemifWindows
8.1failstostart.............69
Chapter9.Installingorreplacing
hardware...............71
Handlingstatic-sensitivedevices.......71
Installingorreplacinghardware........71
Installingexternaloptions........71
Removingthecomputercover.......71
Removingandreinstallingthefrontbezel..72
Accessingthesystemboardcomponentsand
drives................74
Installingorreplacingamemorymodule...75
InstallingorreplacingaPCIcard......77
Replacingthebattery..........79
Replacingtheharddiskdrive.......80
Replacingthesolid-statedrive......82
Installingorreplacingtheopticaldrive...87
Replacingtheslimcardreader......90
Replacingtheheatsinkandfanassembly..92
Replacingthepowersupplyassembly...95
Replacingthemicroprocessor.......98
ReplacingthefrontaudioandUSB
assembly...............101
Replacingthesystemfanassembly....102
Replacingthethermalsensor.......103
InstallingorremovingthefrontWi-Fi
antenna...............105
InstallingorremovingtherearWi-Fi
antenna...............107
ReplacingtheWi-Fiunits.........109
Replacingthekeyboardormouse.....113
Completingthepartsreplacement.....114
Chapter10.Gettinginformation,help,
andservice.............117
Informationresources............117
LenovoThinkVantageTools........117
HelpandSupport............117
SafetyandWarranty...........117
LenovoWebsite............117
LenovoSupportWebsite.........118
Helpandservice..............118
Usingthedocumentationanddiagnostic
program...............118
Callingforservice............118
Usingotherservices..........119
Purchasingadditionalservices......119
AppendixA.Regulatory
information.............121
iiThinkCentreM79UserGuide
Exportclassificationnotice..........121
Electronicemissionsnotices.........121
FederalCommunicationsCommission
DeclarationofConformity........121
Eurasiancompliancemark..........123
Brazilregulatorynotice...........123
Mexicoregulatorynotice...........123
Additionalregulatoryinformation.......123
AppendixB.WEEEandrecycling
information.............125
ImportantWEEEinformation.........125
RecyclinginformationforJapan........125
RecyclinginformationforBrazil........126
BatteryrecyclinginformationforTaiwan.....126
BatteryrecyclinginformationfortheEuropean
Union..................126
AppendixC.RestrictionofHazardous
SubstancesDirective(RoHS)....129
EuropeanUnionRoHS...........129
ChinaRoHS................129
TurkishRoHS...............129
UkraineRoHS...............130
IndiaRoHS................130
AppendixD.ChinaEnergyLabel..131
AppendixE.ENERGYSTARmodel
information.............133
AppendixF .Notices.........135
Trademarks................136
Index.................137
©CopyrightLenovo2014
iii
ivThinkCentreM79UserGuide
Readthisfirst:Importantsafetyinformation
Thischaptercontainsthesafetyinformationthatyoumustbefamiliarwith.
Beforeusingthismanual
CAUTION:
Beforeusingthismanual,besuretoreadandunderstandalltherelatedsafetyinformationforthis
product.RefertotheinformationinthissectionandthesafetyinformationintheSafety,Warranty,and
SetupGuidethatyoureceivedwiththisproduct.Readingandunderstandingthissafetyinformation
reducestheriskofpersonalinjuryanddamagetoyourproduct.
IfyounolongerhaveacopyoftheSafety,Warranty,andSetupGuide,youcanobtainaPortableDocument
Format(PDF)versionfromtheLenovo
®
SupportWebsiteathttp://www.lenovo.com/UserManuals.The
LenovoSupportWebsitealsoprovidestheSafety,Warranty,andSetupGuideandthisUserGuidein
additionallanguages.
Serviceandupgrades
DonotattempttoserviceaproductyourselfunlessinstructedtodosobytheCustomerSupportCenteror
yourdocumentation.OnlyuseaServiceProviderwhoisapprovedtorepairyourparticularproduct.
Note:Somecomputerpartscanbeupgradedorreplacedbythecustomer.Upgradestypicallyare
referredtoasoptions.ReplacementpartsapprovedforcustomerinstallationarereferredtoasCustomer
ReplaceableUnits,orCRUs.Lenovoprovidesdocumentationwithinstructionswhenitisappropriatefor
customerstoinstalloptionsorreplaceCRUs.Youmustcloselyfollowallinstructionswheninstallingor
replacingparts.TheOffstateofapowerindicatordoesnotnecessarilymeanthatvoltagelevelsinsidea
productarezero.Beforeyouremovethecoversfromaproductequippedwithapowercord,alwaysensure
thatthepoweristurnedoffandthattheproductisunpluggedfromanypowersource.Formoreinformation
onCRUs,refertoChapter9“Installingorreplacinghardware”onpage71
.Ifyouhaveanyquestionsor
concerns,contacttheCustomerSupportCenter.
Althoughtherearenomovingpartsinyourcomputerafterthepowercordhasbeendisconnected,the
followingwarningsarerequiredforyoursafety.
CAUTION:
Hazardousmovingparts.Keepfingersandotherbodypartsaway.
CAUTION:
BeforereplacinganyCRUs,turnoffthecomputerandwaitthreetofiveminutestoletthecomputer
coolbeforeopeningthecover.
©CopyrightLenovo2014
v
Staticelectricityprevention
Staticelectricity,althoughharmlesstoyou,canseriouslydamagecomputercomponentsandoptions.
Improperhandlingofstatic-sensitivepartscancausedamagetothepart.Whenyouunpackanoption
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.
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
viThinkCentreM79UserGuide
areused,theloadshouldnotexceedthepowerstripinputrating.Consultanelectricianformoreinformation
ifyouhavequestionsaboutpowerloads,powerrequirements,andinputratings.
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)cableswhile
thecomputerpowerison;otherwise,youmightdamageyourcomputer.Toavoidpossibledamageto
attacheddevices,waitatleastfivesecondsafterthecomputerisshutdowntodisconnectexternaldevices.
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
©CopyrightLenovo2014
vii
yourcomputerwithintwofeetofhigh-trafficareas.Ifyoumustoperateyourcomputerinornearahigh-traffic
area,inspectand,ifnecessary,cleanyourcomputermorefrequently.
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.
viiiThinkCentreM79UserGuide
DANGER
SomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing:
Laserradiationwhenopen.Donotstareintothebeam,donotviewdirectlywithoptical
instruments,andavoiddirectexposuretothebeam.
Powersupplystatement
Neverremovethecoveronapowersupplyoranypartthathasthefollowinglabelattached.
Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislabelattached.
Therearenoserviceablepartsinsidethesecomponents.Ifyoususpectaproblemwithoneoftheseparts,
contactaservicetechnician.
Cleaningandmaintenance
Keepyourcomputerandworkspaceclean.Shutdownthecomputerandthendisconnectthepower
cordbeforecleaningthecomputer.Donotsprayanyliquiddetergentdirectlyonthecomputeroruse
anydetergentcontainingflammablematerialtocleanthecomputer.Spraythedetergentonasoftcloth
andthenwipethecomputersurfaces.
©CopyrightLenovo2014
ix
xThinkCentreM79UserGuide
Chapter1.Productoverview
Thischapterprovidesthefollowinginformation:
•Locationsofconnectors
•Locationsofcomponents
•Locationsofpartsonthesystemboard
•Locationsofinternaldrives
•Computerfeatures
•SoftwareprogramsprovidedbyLenovo
Locations
Thissectionprovidesthefollowingtopics:
•“Locatingconnectors,controls,andindicatorsonthefrontofyourcomputer”onpage2
•“Locatingconnectorsontherearofyourcomputer”onpage3
•“Locatingcomponents”onpage5
•“Locatingpartsonthesystemboard”onpage6
•“Locatinginternaldrives”onpage7
•“Locatingthemachinetypeandmodellabel”onpage8
Note:Thecomponentsinyourcomputermightlookslightlydifferentfromtheillustrations.
©CopyrightLenovo2014
1
Locatingconnectors,controls,andindicatorsonthefrontofyour
computer
Thefollowingillustrationshowsthelocationsoftheconnectors,controls,andindicatorsonthefrontofyour
computer.
1
2
Figure1.Frontconnector,control,andindicatorlocations
1Opticaldriveeject/closebutton
2Powerbutton
3Powerindicator4Harddiskdriveactivityindicator
5USB2.0connector(USBconnector2)
6Microphoneconnector
7Headphoneconnector
8USB2.0connector(USBconnector1)
2ThinkCentreM79UserGuide
Locatingconnectorsontherearofyourcomputer
Thefollowingillustrationshowsthelocationsoftheconnectorsontherearofyourcomputer.Some
connectorsontherearofyourcomputerarecolor-codedtohelpyoudeterminewheretoconnectthe
cablesonyourcomputer.
3
4
5
6
Figure2.Rearconnectorlocations
1Powercordconnector
2PS/2mouseconnector(availableonsomemodels)
3PS/2keyboardconnector(availableonsome
models)
4DisplayPort
®
connector
5VGAconnector6USB3.0connectors(2)
7USB2.0connectors(2)
8Microphoneconnector
9Audioline-outconnector10Audioline-inconnector
11PCI/PCIExpresscardarea(differentcards
providedifferentconnectors)
12Ethernetconnector
13Security-lockslot14Serialconnector
15Padlockloop
Note:Adiscretegraphicscard,anetworkinterfacecard,oranaudiocardcanbeinstalledintheappropriate
PCIorPCIExpresscardslot.Ifsuchacardisinstalled,ensurethatyouusetheconnectorsonthecard
insteadofthecorrespondingconnectorsonthecomputer.
Chapter1.Productoverview3
ConnectorDescription
Audioline-inconnector
Usedtoreceiveaudiosignalsfromanexternalaudiodevice,suchasastereo
system.Whenyouattachanexternalaudiodevice,acableisconnectedbetween
theaudioline-outconnectorofthedeviceandtheaudioline-inconnectorofthe
computer.
Audioline-outconnector
Usedtosendaudiosignalsfromthecomputertoexternaldevices,suchaspowered
stereospeakers(speakerswithbuilt-inamplifiers),headphones,ormultimedia
keyboards.Toattachastereosystemorotherexternalrecordingdevice,acableis
connectedbetweentheaudioline-inconnectorofthedeviceandtheaudioline-out
connectorofthecomputer.
DisplayPortconnector
Usedtoattachahigh-performancemonitor,adirect-drivemonitor,orotherdevices
thatuseaDisplayPortconnector.
Ethernetconnector
UsedtoattachanEthernetcableforalocalareanetwork(LAN).
Note:TooperatethecomputerwithinFCCClassBlimits,useaCategory5Ethernet
cable.
Microphoneconnector
Usedtoattachamicrophonetoyourcomputerwhenyouwanttorecordsoundorif
youusespeech-recognitionsoftware.
PS/2keyboardconnector
(availableonsomemodels)
UsedtoattachakeyboardthatusesaPersonalSystem/2(PS/2)keyboard
connector.
PS/2mouseconnector
(availableonsomemodels)
Usedtoattachamouse,atrackball,orotherpointingdevicesthatuseaPS/2
mouseconnector.
Serialconnector
Usedtoattachanexternalmodem,aserialprinter,orotherdevicesthatusea
9-pinserialconnector.
USB2.0connectorUsedtoattachadevicethatrequiresaUSB2.0connection,suchasakeyboard,a
mouse,ascanner,aprinter,orapersonaldigitalassistant(PDA).
USB3.0connectorUsedtoattachadevicethatrequiresaUSB2.0or3.0connection,suchasa
keyboard,amouse,ascanner,aprinter,orapersonaldigitalassistant(PDA).A
USB3.0connectorprovideshightransmissionspeedstoreducethetimethatis
requiredfordatatransmission.
VGAconnectorUsedtoattachaVGAmonitororotherdevicesthatuseaVideoGraphicsArray
(VGA)connector.
4ThinkCentreM79UserGuide
Locatingcomponents
Thefollowingillustrationshowsthelocationsofthevariouscomponentsinyourcomputer.Toremovethe
computercover,see“Removingthecomputercover”onpage71.
Figure3.Componentlocations
1Heatsinkandfanassembly
2Powersupplyassembly
3Memorymodules
4Opticaldrive
5FrontaudioandUSBassembly
6Frontbezel
7Slimcardreader8Frontfan(systemfan)assembly
9Harddiskdrive(orsolid-statedrive)10PCIExpresscard
11Heatsinkfanduct
Chapter1.Productoverview5
Locatingpartsonthesystemboard
Thefollowingillustrationshowsthelocationsofthepartsonthesystemboard.
Figure4.Systemboardpartlocations
14-pinpowerconnector
2Microprocessorfanconnector
3Memoryslot14Memoryslot2
5Memoryslot36Memoryslot4
7Thermalsensorconnector
8Harddiskdrivefanconnector
94-pinpowerconnectors(2)
1014-pinpowerconnector
11Powerfanconnector
12Parallelconnector
13SATA3.0connectors(2)14SATA3.0connector
15Frontpanelconnector(forconnectingLED
indicatorsandpowerbutton)
16FrontUSB2.0connector1(forconnectingUSBconnectors
1and2onthefrontbezel)
17FrontUSB2.0connector2(forconnectingan
additionalUSBdevice)
18ClearCMOS(ComplementaryMetalOxideSemiconductor)
/Recoveryjumper
19Serialconnector
20Battery
21Frontaudioconnector
22PCIcardslot
23PCIExpressx1cardslots(2)24PCIExpressx16graphicscardslot
25Systemfanconnector
26DisplayPortconnector
27Microprocessor
6ThinkCentreM79UserGuide
Locatinginternaldrives
Internaldrivesaredevicesthatyourcomputerusestoreadandstoredata.Youcanadddrivestoyour
computertoincreasestoragecapacityandenableyourcomputertoreadothertypesofmedia.Internal
drivesareinstalledinbays.
Whenyouinstallorreplaceaninternaldrive,notethetypeandsizeofthedrivethateachbaysupportsand
correctlyconnecttherequiredcables.Refertotheappropriatesectionin“Installingorreplacinghardware”
onpage71
forinstructionsonhowtoinstallorreplaceinternaldrivesforyourcomputer.
Thefollowingillustrationshowsthelocationsofthedrivebays.
Figure5.Drivebaylocations
1Secondarysolid-statedrivebay(witha2.5-inchsolid-statedriveorahybridharddiskdriveinstalledonsome
models)
2Opticaldrivebay(withanopticaldriveinstalledonsomemodels)
3Slimcardreaderdrivebay(withaslimcardreaderinstalledonsomemodels)
4Harddiskdrivebay(witha3.5-inchharddiskdriveora2.5-inchsolid-statedriveinstalled)
Chapter1.Productoverview7
Locatingthemachinetypeandmodellabel
Themachinetypeandmodellabelidentifiesyourcomputer.WhenyoucontactLenovoforhelp,themachine
typeandmodelinformationhelpssupporttechnicianstoidentifyyourcomputerandprovidefasterservice.
Themachinetypeandmodellabelisattachedonthesideofyourcomputerasshown.
Figure6.Machinetypeandmodellabel
Features
Thissectionintroducesthecomputerfeatures.Theinformationcoversavarietyofmodels.
Microprocessor
Toviewthemicroprocessorinformationofyourcomputer,dothefollowing:
•OntheMicrosoft
®
Windows
®
7operationsystem,clickStart,right-clickComputer,andselectProperties
toviewtheinformation.
•OntheMicrosoftWindows8.1operatingsystem,gotothedesktopandmoveyourpointertothe
top-rightorbottom-rightcornerofthescreentodisplaythecharms.ThenclickSettings➙PCinfoto
viewtheinformation.
Memory
Yourcomputersupportsuptofourdoubledatarate3unbuffereddualinlinememorymodules(DDR3
UDIMMs).
Todeterminetheamountofmemoryinstalledonyourcomputer,dothefollowing:
•OntheMicrosoftWindows7operationsystem,clickStart,right-clickComputer,andselectProperties
toviewtheinformation.
8ThinkCentreM79UserGuide
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