Lenovo ThinkCentre M79 User manual

ThinkCentreM79
UserGuide
MachineTypes:10CT,10CU,10CV,10CW,10J9,10JA,10JB,and
10JC

Note:Beforeusingthisinformationandtheprodutitsupports,besuretoreadandunderstandthe“Read
thisfirst:Importantsafetyinformation”onpagevandAppendixF“Noties”onpage131.
FourthEdition(May2016)
©CopyrightLenovo201,2016.
LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuanttoaGeneralServies
Administration“GSA”ontrat,use,reprodution,ordislosureissubjettorestritionssetforthinContratNo.
GS-35F-05925.

Contents
Readthisfirst:Importantsafety
information...............v
Beforeusingthismanual............v
Servieandupgrades.............v
Statieletriityprevention...........vi
Powerordsandpoweradapters........vi
Extensionordsandrelateddevies......vii
Plugsandoutlets..............vii
Externaldevies..............vii
Heatandprodutventilation.........vii
Operatingenvironment...........viii
Laseromplianestatement.........viii
Powersupplystatement............ix
Cleaningandmaintenane...........ix
Chapter1.Productoverview......1
Loations..................1
Loatingonnetors,ontrols,andindiators
onthefrontofyouromputer........2
Loatingonnetorsontherearofyour
omputer................3
Loatingomponents...........5
Loatingpartsonthesystemboard.....6
Loatinginternaldrives..........7
Loatingthemahinetypeandmodellabel..8
Features..................8
Speifiations...............12
Lenovoprograms.............12
Aessingaprogramonyouromputer...12
AnintrodutiontoLenovoprograms....13
Chapter2.Usingyourcomputer...17
UsingWindowsshortutkeys.........17
Usingthewheelmouse...........17
Settingtheomputervolume.........18
AddinganiontotheWindowsnotifiationarea.18
Usingadis................18
Usingtheoptialdrive..........18
Handlingandstoringadis........19
Playingandremovingadis.......19
Reordingadis............19
NavigatingamongsreensontheWindows8.1
operatingsystem..............20
AessingControlPanelontheWindows8.1
operatingsystem..............21
Frequentlyaskedquestions.........21
Chapter3.Youandyourcomputer..23
Aessibilityandomfort..........23
Arrangingyourworkspae........23
Comfort...............23
Glareandlighting............24
Airirulation.............24
Eletrialoutletsandablelengths.....24
Aessibilityinformation.........24
Registeringyouromputer..........27
Movingyouromputertoanotherountryor
region..................27
Chapter.Security..........29
Seurityfeatures..............29
Lokingtheomputerover.........29
AttahingaKensington-styleablelok.....31
Preventingunauthorizedaesstoyour
omputer.................31
Usingfingerprintauthentiation........32
Usingandunderstandingfirewalls.......32
Protetingdataagainstviruses........32
Chapter5.Advancedconfiguration..33
UsingtheSetupUtilityprogram........33
StartingtheSetupUtilityprogram.....33
Viewingandhangingsettings......33
UsingBIOSpasswords.........34
Enablingordisablingadevie.......35
Seletingastartupdevie........36
EnablingErPLPSomplianemode....36
ICEperformanemode.........37
ICEthermalalert............37
ExitingtheSetupUtilityprogram......38
UpdatingorreoveringtheBIOS.......38
Usingsystemprograms.........38
UpdatingtheBIOS...........39
ReoveringfromaBIOSupdatefailure...39
Chapter6.Preventingproblems...1
Keepingyouromputerurrent........41
Gettingthelatestdeviedriversforyour
omputer...............41
Gettingthelatestsystemupdates.....41
Cleaningandmaintenane..........41
Basis................42
Cleaningyouromputer.........42
Goodmaintenanepraties.......43
Movingyouromputer...........44
©CopyrightLenovo2014,2016i

Chapter7.Troubleshootingand
diagnostics..............5
Basitroubleshooting............45
Troubleshootingproedure..........46
Troubleshooting..............46
Audioproblems............47
CDproblems.............47
DVDproblems.............48
Intermittentproblems..........49
Harddiskdriveproblems.........49
Problemswiththekeyboardormouse...50
Monitorproblems............51
Networkingproblems..........52
Ihaveonnetedanoptiontomyomputer,
butitdoesnotwork...........54
Performaneandlokupproblems.....54
Theprinterdoesnotwork........55
Serialonnetorannotbeaessed....55
Softwareproblems...........55
MyUSBonnetorsannotbeaessed..56
Diagnostis................57
LenovoSolutionCenter.........57
Chapter8.Recoveryinformation...59
ReoveryinformationfortheWindows7operating
system..................59
Creatingandusingreoverymedia.....59
Performingbakupandreoveryoperations.60
Creatingandusingaresuemedium....62
Reinstallingprogramsanddeviedrivers..62
Solvingreoveryproblems........64
ReoveryinformationfortheWindows8.1
operatingsystem..............64
Refreshingyouromputer........64
Resettingyouromputertothefatory-default
settings................64
Usingtheadvanedstartupoptions....65
ReoveringyouroperatingsystemifWindows
8.1failstostart.............65
ReoveryinformationfortheWindows10operating
system..................65
Chapter9.Installingorreplacing
hardware...............67
Handlingstati-sensitivedevies.......67
Installingorreplainghardware........67
Installingexternaloptions........67
Removingtheomputerover.......67
Removingandreinstallingthefrontbezel..68
Aessingthesystemboardomponentsand
drives................70
Installingorreplaingamemorymodule...71
InstallingorreplaingaPCIard......73
Replaingthebattery..........75
Replaingtheharddiskdrive.......76
Replaingthesolid-statedrive......78
Installingorreplaingtheoptialdrive...83
Replaingtheslimardreader......86
Replaingtheheatsinkandfanassembly..88
Replaingthepowersupplyassembly...91
Replaingthemiroproessor.......94
ReplaingthefrontaudioandUSB
assembly...............97
Replaingthesystemfanassembly....98
Replaingthethermalsensor.......99
InstallingorremovingthefrontWi-Fi
antenna...............101
InstallingorremovingtherearWi-Fi
antenna...............103
ReplaingtheWi-Fiunits.........105
Replaingthekeyboardormouse.....109
Completingthepartsreplaement.....110
Chapter10.Gettinginformation,help,
andservice.............113
Informationresoures............113
Windowshelpsystem..........113
SafetyandWarranty...........113
LenovoWebsite............113
LenovoSupportWebsite.........114
Helpandservie..............114
Usingthedoumentationanddiagnosti
program...............114
Callingforservie............114
Usingotherservies..........115
Purhasingadditionalservies......115
AppendixA.Regulatory
information.............117
Exportlassifiationnotie..........117
Eletroniemissionsnoties.........117
FederalCommuniationsCommission
DelarationofConformity........117
Eurasianomplianemark..........119
Brazilaudionotie.............119
Mexiowireless-radioomplianeinformation..119
Additionalregulatoryinformation.......120
AppendixB.WEEEandrecycling
information.............121
ImportantWEEEinformation.........121
ReylinginformationforJapan........121
ReylinginformationforBrazil........122
BatteryreylinginformationforTaiwan.....122
iiThinkCentreM79UserGuide

BatteryreylinginformationfortheEuropean
Union..................123
AppendixC.RestrictionofHazardous
Substances(RoHS)Directive....125
EuropeanUnionRoHS...........125
TurkishRoHS...............125
UkraineRoHS...............125
IndiaRoHS................125
ChinaRoHS................126
TaiwanRoHS...............126
AppendixD.ChinaEnergyLabel..127
AppendixE.ENERGYSTARmodel
information.............129
AppendixF .Notices.........131
Trademarks................132
Index.................133
©CopyrightLenovo2014,2016iii

ivThinkCentreM79UserGuide

Readthisfirst:Importantsafetyinformation
Thishapterontainsthesafetyinformationthatyoumustbefamiliarwith.
Beforeusingthismanual
CAUTION:
Beforeusingthismanual,besuretoreadandunderstandalltherelatedsafetyinformationforthis
product.RefertotheinformationinthissectionandthesafetyinformationintheSafety,Warranty,and
SetupGuidethatyoureceivedwiththisproduct.Readingandunderstandingthissafetyinformation
reducestheriskofpersonalinjuryanddamagetoyourproduct.
IfyounolongerhaveaopyoftheSafety,Warranty,andSetupGuide,youanobtainaPortableDoument
Format(PDF)versionfromtheLenovo®SupportWebsiteathttp://www.lenovo.om/UserManuals.The
LenovoSupportWebsitealsoprovidestheSafety,Warranty,andSetupGuideandthisUserGuidein
additionallanguages.
Serviceandupgrades
DonotattempttoservieaprodutyourselfunlessinstrutedtodosobytheCustomerSupportCenteror
yourdoumentation.OnlyuseaServieProviderwhoisapprovedtorepairyourpartiularprodut.
Note:Someomputerpartsanbeupgradedorreplaedbytheustomer.Upgradestypiallyare
referredtoasoptions.ReplaementpartsapprovedforustomerinstallationarereferredtoasCustomer
ReplaeableUnits,orCRUs.Lenovoprovidesdoumentationwithinstrutionswhenitisappropriatefor
ustomerstoinstalloptionsorreplaeCRUs.Youmustloselyfollowallinstrutionswheninstallingor
replaingparts.TheOffstateofapowerindiatordoesnotneessarilymeanthatvoltagelevelsinsidea
produtarezero.Beforeyouremovetheoversfromaprodutequippedwithapowerord,alwaysensure
thatthepoweristurnedoffandthattheprodutisunpluggedfromanypowersoure.Formoreinformation
onCRUs,refertoChapter9“Installingorreplainghardware”onpage67.Ifyouhaveanyquestionsor
onerns,ontattheCustomerSupportCenter.
Althoughtherearenomovingpartsinyouromputerafterthepowerordhasbeendisonneted,the
followingwarningsarerequiredforyoursafety.
CAUTION:
Hazardousmovingparts.Keepfingersandotherbodypartsaway.
CAUTION:
BeforereplacinganyCRUs,turnoffthecomputerandwaitthreetofiveminutestoletthecomputer
coolbeforeopeningthecover.
©CopyrightLenovo2014,2016v

Staticelectricityprevention
Statieletriity,althoughharmlesstoyou,anseriouslydamageomputeromponentsandoptions.
Improperhandlingofstati-sensitivepartsanausedamagetothepart.Whenyouunpakanoption
orCRU,donotopenthestati-protetivepakageontainingthepartuntiltheinstrutionsdiretyou
toinstallit.
WhenyouhandleoptionsorCRUs,orperformanyworkinsidetheomputer,takethefollowingpreautions
toavoidstati-eletriitydamage:
•Limityourmovement.Movementanausestatieletriitytobuilduparoundyou.
•Alwayshandleomponentsarefully.Handleadapters,memorymodules,andotheriruitboardsbythe
edges.Nevertouhexposediruitry.
•Preventothersfromtouhingomponents.
•Whenyouinstallastati-sensitiveoptionorCRU,touhthestati-protetivepakageontainingthe
parttoametalexpansion-slotoverorotherunpaintedmetalsurfaeontheomputerforatleasttwo
seonds.Thisreduesstatieletriityinthepakageandyourbody.
•Whenpossible,removethestati-sensitivepartfromthestati-protetivepakagingandinstallthepart
withoutsettingitdown.Whenthisisnotpossible,plaethestati-protetivepakagingonasmooth,
levelsurfaeandplaethepartonit.
•Donotplaethepartontheomputeroverorothermetalsurfae.
Powercordsandpoweradapters
Useonlythepowerordsandpoweradapterssuppliedbytheprodutmanufaturer.Donotusethea
powerordforotherdevies.
Thepowerordsshallbesafetyapproved.ForGermany,itshallbeH03VV-F,3G,0.75mm2(thepowerord
onnetedtothepoweradapter),H05VV-F,3G,0.75mm2(thepowerordonnetedtotheinternalpower
supplyassembly),orbetter.Forotherountries,thesuitabletypesshallbeusedaordingly.
Neverwrapapowerordaroundapoweradapterorotherobjet.Doingsoanstresstheordinwaysthat
anausetheordtofray,rak,orrimp.Thisanpresentasafetyhazard.
Alwaysroutepowerordssothattheywillnotbewalkedon,trippedover,orpinhedbyobjets.
Protetpowerordandpoweradaptersfromliquids.Forinstane,donotleaveyourpowerordorpower
adapternearsinks,tubs,toilets,oronfloorsthatareleanedwithliquidleansers.Liquidsanausea
shortiruit,partiularlyifthepowerordorpoweradapterhasbeenstressedbymisuse.Liquidsalsoan
ausegradualorrosionofpowerordterminalsand/ortheonnetorterminalsonapoweradapter,
whihaneventuallyresultinoverheating.
Ensurethatallpowerordonnetorsareseurelyandompletelypluggedintoreeptales.
Donotuseanypoweradapterthatshowsorrosionattheainputpinsorshowssignsofoverheating(suh
asdeformedplasti)attheainputoranywhereonthepoweradapter.
Donotuseanypowerordswheretheeletrialontatsoneitherendshowsignsoforrosionor
overheatingorwherethepowerordappearstohavebeendamagedinanyway.
viThinkCentreM79UserGuide

Extensioncordsandrelateddevices
Ensurethatextensionords,surgeprotetors,uninterruptiblepowersupplies,andpowerstripsthatyouuse
areratedtohandletheeletrialrequirementsoftheprodut.Neveroverloadthesedevies.Ifpowerstrips
areused,theloadshouldnotexeedthepowerstripinputrating.Consultaneletriianformoreinformation
ifyouhavequestionsaboutpowerloads,powerrequirements,andinputratings.
Plugsandoutlets
Ifareeptale(poweroutlet)thatyouintendtousewithyouromputerequipmentappearstobedamaged
ororroded,donotusetheoutletuntilitisreplaedbyaqualifiedeletriian.
Donotbendormodifytheplug.Iftheplugisdamaged,ontatthemanufaturertoobtainareplaement.
Donotshareaneletrialoutletwithotherhomeorommerialapplianesthatdrawlargeamountsof
eletriity;otherwise,unstablevoltagemightdamageyouromputer,data,orattaheddevies.
Someprodutsareequippedwithathree-prongedplug.Thisplugfitsonlyintoagroundedeletrialoutlet.
Thisisasafetyfeature.Donotdefeatthissafetyfeaturebytryingtoinsertitintoanon-groundedoutlet.If
youannotinserttheplugintotheoutlet,ontataneletriianforanapprovedoutletadapterortoreplae
theoutletwithonethatenablesthissafetyfeature.Neveroverloadaneletrialoutlet.Theoverallsystem
loadshouldnotexeed80perentofthebranhiruitrating.Consultaneletriianformoreinformation
ifyouhavequestionsaboutpowerloadsandbranhiruitratings.
Besurethatthepoweroutletyouareusingisproperlywired,easilyaessible,andloatedlosetothe
equipment.Donotfullyextendpowerordsinawaythatwillstresstheords.
Besurethatthepoweroutletprovidestheorretvoltageandurrentfortheprodutyouareinstalling.
Carefullyonnetanddisonnettheequipmentfromtheeletrialoutlet.
Externaldevices
DonotonnetordisonnetanyexternaldevieablesotherthanUniversalSerialBus(USB)ableswhile
theomputerpowerison;otherwise,youmightdamageyouromputer.Toavoidpossibledamageto
attaheddevies,waitatleastfiveseondsaftertheomputerisshutdowntodisonnetexternaldevies.
Heatandproductventilation
Computers,poweradapters,andmanyaessoriesangenerateheatwhenturnedonandwhenbatteries
areharging.Alwaysfollowthesebasipreautions:
•Donotleaveyouromputer,poweradapter,oraessoriesinontatwithyourlaporanypartofyour
bodyforanextendedperiodwhentheprodutsarefuntioningorwhenthebatteryisharging.Your
omputer,poweradapter,andmanyaessoriesproduesomeheatduringnormaloperation.Extended
ontatwiththebodyouldausedisomfortor,potentially,askinburn.
•Donothargethebatteryoroperateyouromputer,poweradapter,oraessoriesnearflammable
materialsorinexplosiveenvironments.
•Ventilationslots,fans,andheatsinksareprovidedwiththeprodutforsafety,omfort,andreliable
operation.Thesefeaturesmightinadvertentlybeomeblokedbyplaingtheprodutonabed,sofa,
arpet,orotherflexiblesurfae.Neverblok,over,ordisablethesefeatures.
©CopyrightLenovo2014,2016vii

Inspetyourdesktopomputerfordustaumulationatleastoneeverythreemonths.Beforeinspeting
youromputer,turnoffthepowerandunplugtheomputer'spowerordfromtheeletrialoutlet;then
removeanydustfromventsandperforationsinthebezel.Ifyounotieexternaldustaumulation,then
examineandremovedustfromtheinsideoftheomputerinludingheatsinkinletfins,powersupplyvents,
andfans.Alwaysturnoffandunplugtheomputerbeforeopeningtheover.Ifpossible,avoidoperating
youromputerwithintwofeetofhigh-traffiareas.Ifyoumustoperateyouromputerinornearahigh-traffi
area,inspetand,ifneessary,leanyouromputermorefrequently.
Foryoursafetyandtomaintainoptimumomputerperformane,alwaysfollowthesebasipreautions
withyourdesktopomputer:
•Keeptheoverlosedwhenevertheomputerispluggedin.
•Regularlyinspettheoutsideoftheomputerfordustaumulation.
•Removedustfromventsandanyperforationsinthebezel.Morefrequentleaningsmightberequiredfor
omputersindustyorhigh-traffiareas.
•Donotrestritorblokanyventilationopenings.
•Donotstoreoroperateyouromputerinsidefurniture,asthismightinreasetheriskofoverheating.
•Airflowtemperaturesintotheomputershouldnotexeed35°C(95°F).
•Donotinstallairfiltrationdevies.Theymayinterferewithproperooling.
Operatingenvironment
Theoptimalenvironmentinwhihtouseyouromputeris10°C–35°C(50°F–95°F)withhumidityranging
between35%and80%.Ifyouromputerisstoredortransportedintemperatureslessthan10°C(50°F),
allowtheoldomputertoriseslowlytoanoptimaloperatingtemperatureof10°C–35°C(50°F–95°F)before
use.Thisproessouldtaketwohoursinextremeonditions.Failuretoallowyouromputertorisetoan
optimaloperatingtemperaturebeforeuseouldresultinirreparabledamagetoyouromputer.
Ifpossible,plaeyouromputerinawell-ventilatedanddryareawithoutdiretexposuretosunshine.
Keepeletrialapplianessuhasaneletrifan,radio,high-poweredspeakers,aironditioner,and
mirowaveovenawayfromyouromputerbeausethestrongmagnetifieldsgeneratedbythese
applianesandamagethemonitoranddataontheharddiskdrive.
Donotplaeanybeveragesontopoforbesidetheomputerorotherattaheddevies.Ifliquidisspilledon
orintheomputeroranattaheddevie,ashortiruitorotherdamagemightour.
Donoteatorsmokeoveryourkeyboard.Partilesthatfallintoyourkeyboardanausedamage.
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
Neverremovetheoveronapowersupplyoranypartthathasthefollowinglabelattahed.
Hazardousvoltage,urrent,andenergylevelsarepresentinsideanyomponentthathasthislabelattahed.
Therearenoservieablepartsinsidetheseomponents.Ifyoususpetaproblemwithoneoftheseparts,
ontataservietehniian.
Cleaningandmaintenance
Keepyouromputerandworkspaelean.Shutdowntheomputerandthendisonnetthepower
ordbeforeleaningtheomputer.Donotsprayanyliquiddetergentdiretlyontheomputeroruse
anydetergentontainingflammablematerialtoleantheomputer.Spraythedetergentonasoftloth
andthenwipetheomputersurfaes.
©CopyrightLenovo2014,2016ix

xThinkCentreM79UserGuide

Chapter1.Productoverview
Thishapterprovidesthefollowinginformation:
•Loationsofonnetors
•Loationsofomponents
•Loationsofpartsonthesystemboard
•Loationsofinternaldrives
•Computerfeatures
•SoftwareprogramsprovidedbyLenovo
Locations
Thissetionprovidesthefollowingtopis:
•“Loatingonnetors,ontrols,andindiatorsonthefrontofyouromputer”onpage2
•“Loatingonnetorsontherearofyouromputer”onpage3
•“Loatingomponents”onpage5
•“Loatingpartsonthesystemboard”onpage6
•“Loatinginternaldrives”onpage7
•“Loatingthemahinetypeandmodellabel”onpage8
Note:Theomponentsinyouromputermightlookslightlydifferentfromtheillustrations.
©CopyrightLenovo2014,20161

Locatingconnectors,controls,andindicatorsonthefrontofyour
computer
Thefollowingillustrationshowstheloationsoftheonnetors,ontrols,andindiatorsonthefrontofyour
omputer.
1
2
Figure1.Frontconnector,control,andindicatorlocations
1Optialdriveejet/losebutton2Powerbutton
3Powerindiator4Harddiskdriveativityindiator
5USB2.0onnetor(USBonnetor2)6Mirophoneonnetor
7Headphoneonnetor8USB2.0onnetor(USBonnetor1)
2ThinkCentreM79UserGuide

Locatingconnectorsontherearofyourcomputer
Thefollowingillustrationshowstheloationsoftheonnetorsontherearofyouromputer.Some
onnetorsontherearofyouromputerareolor-odedtohelpyoudeterminewheretoonnetthe
ablesonyouromputer.
34
56
Figure2.Rearconnectorlocations
1Powerordonnetor2PS/2mouseonnetor(availableonsomemodels)
3PS/2keyboardonnetor(availableonsome
models)
4DisplayPort®onnetor
5VGAonnetor6USB3.0onnetors(2)
7USB2.0onnetors(2)8Mirophoneonnetor
9Audioline-outonnetor10Audioline-inonnetor
11PCI/PCIExpressardarea(differentards
providedifferentonnetors)
12Ethernetonnetor
13Seurity-lokslot14Serialonnetor
15Padlokloop
Note:Adisretegraphisard,anetworkinterfaeard,oranaudioardanbeinstalledintheappropriate
PCIorPCIExpressardslot.Ifsuhaardisinstalled,ensurethatyouusetheonnetorsontheard
insteadoftheorrespondingonnetorsontheomputer.
Chapter1.Produtoverview3

ConnectorDescription
Audioline-inonnetorUsedtoreeiveaudiosignalsfromanexternalaudiodevie,suhasastereo
system.Whenyouattahanexternalaudiodevie,aableisonnetedbetween
theaudioline-outonnetorofthedevieandtheaudioline-inonnetorofthe
omputer.
Audioline-outonnetorUsedtosendaudiosignalsfromtheomputertoexternaldevies,suhaspowered
stereospeakers(speakerswithbuilt-inamplifiers),headphones,ormultimedia
keyboards.Toattahastereosystemorotherexternalreordingdevie,aableis
onnetedbetweentheaudioline-inonnetorofthedevieandtheaudioline-out
onnetoroftheomputer.
DisplayPortonnetorUsedtoattahahigh-performanemonitor,adiret-drivemonitor,orotherdevies
thatuseaDisplayPortonnetor.
EthernetonnetorUsedtoattahanEthernetableforaloalareanetwork(LAN).
Note:TooperatetheomputerwithinFCCClassBlimits,useaCategory5,5e,or
6Ethernetable.
MirophoneonnetorUsedtoattahamirophonetoyouromputerwhenyouwanttoreordsoundorif
youusespeeh-reognitionsoftware.
PS/2keyboardonnetor
(availableonsomemodels)
UsedtoattahakeyboardthatusesaPersonalSystem/2(PS/2)keyboard
onnetor.
PS/2mouseonnetor
(availableonsomemodels)
Usedtoattahamouse,atrakball,orotherpointingdeviesthatuseaPS/2
mouseonnetor.
SerialonnetorUsedtoattahanexternalmodem,aserialprinter,orotherdeviesthatusea
9-pinserialonnetor.
USB2.0onnetorUsedtoattahadeviethatrequiresaUSB2.0onnetion,suhasakeyboard,a
mouse,asanner,aprinter,orapersonaldigitalassistant(PDA).
USB3.0onnetorUsedtoattahadeviethatrequiresaUSB2.0or3.0onnetion,suhasa
keyboard,amouse,asanner,aprinter,orapersonaldigitalassistant(PDA).A
USB3.0onnetorprovideshightransmissionspeedstoreduethetimethatis
requiredfordatatransmission.
VGAonnetorUsedtoattahaVGAmonitororotherdeviesthatuseaVideoGraphisArray
(VGA)onnetor.
ThinkCentreM79UserGuide

Locatingcomponents
Thefollowingillustrationshowstheloationsofthevariousomponentsinyouromputer.Toremovethe
omputerover,see“Removingtheomputerover”onpage67.
Figure3.Componentlocations
1Heatsinkandfanassembly2Powersupplyassembly
3Memorymodules4Optialdrive
5FrontaudioandUSBassembly6Frontbezel
7Slimardreader8Frontfan(systemfan)assembly
9Harddiskdrive(orsolid-statedrive)10PCIExpressard
11Heatsinkfandut
Chapter1.Produtoverview5

Locatingpartsonthesystemboard
Thefollowingillustrationshowstheloationsofthepartsonthesystemboard.
Figure4.Systemboardpartlocations
1Miroproessorpoweronnetor2Miroproessorfanonnetor
3Memoryslot14Memoryslot2
5Memoryslot36Memoryslot4
7Thermalsensoronnetor8Harddiskdrivefanonnetor
9Optialdriveandharddiskdrivepower
onnetors(2)
10Systempoweronnetor
11Powerfanonnetor12Parallelonnetor
13SATA3.0onnetors(2)14SATA3.0onnetor
15Frontpanelonnetor(foronnetingLED
indiatorsandpowerbutton)
16FrontUSB2.0onnetor1(foronnetingUSBonnetors
1and2onthefrontbezel)
17FrontUSB2.0onnetor2(foronnetingan
additionalUSBdevie)
18ClearCMOS(ComplementaryMetalOxideSemiondutor)
/Reoveryjumper
19Serialonnetor20Battery
21Frontaudioonnetor22PCIardslot
23PCIExpressx1ardslots(2)24PCIExpressx16graphisardslot
25Systemfanonnetor26DisplayPortonnetor
27Miroproessor
6ThinkCentreM79UserGuide

Locatinginternaldrives
Internaldrivesaredeviesthatyouromputerusestoreadandstoredata.Youanadddrivestoyour
omputertoinreasestorageapaityandenableyouromputertoreadothertypesofmedia.Internal
drivesareinstalledinbays.
Whenyouinstallorreplaeaninternaldrive,notethetypeandsizeofthedrivethateahbaysupportsand
orretlyonnettherequiredables.Refertotheappropriatesetionin“Installingorreplainghardware”
onpage67forinstrutionsonhowtoinstallorreplaeinternaldrivesforyouromputer.
Thefollowingillustrationshowstheloationsofthedrivebays.
Figure.Drivebaylocations
1Seondarysolid-statedrivebay(witha2.5-inhsolid-statedriveorahybridharddiskdriveinstalledonsome
models)
2Optialdrivebay(withanoptialdriveinstalledonsomemodels)
3Slimardreaderdrivebay(withaslimardreaderinstalledonsomemodels)
4Harddiskdrivebay(witha3.5-inhharddiskdriveora2.5-inhsolid-statedriveinstalled)
Chapter1.Produtoverview7

Locatingthemachinetypeandmodellabel
Themahinetypeandmodellabelidentifiesyouromputer.WhenyouontatLenovoforhelp,themahine
typeandmodelinformationhelpssupporttehniianstoidentifyyouromputerandprovidefasterservie.
Themahinetypeandmodellabelisattahedonthesideofyouromputerasshown.
Figure6.Machinetypeandmodellabel
Features
Thissetionintroduestheomputerfeatures.Theinformationoversavarietyofmodels.
Microprocessor
Toviewthemiroproessorinformationofyouromputer,dothefollowing:
•OntheMirosoft®Windows®7operationsystem,likStart,right-likComputer,andseletProperties
toviewtheinformation.
•OntheMirosoftWindows8.1operatingsystem,gotothedesktopandmoveyourpointertothe
top-rightorbottom-rightornerofthesreentodisplaytheharms.ThenlikSettings➙PCinfoto
viewtheinformation.
•OntheMirosoftWindows10operatingsystem,liktheStartbuttontoopentheStartmenu.Then,lik
Settings➙System➙Abouttoviewtheinformation.
Memory
Youromputersupportsuptofourdoubledatarate3unbuffereddualinlinememorymodules(DDR3
UDIMMs).
Todeterminetheamountofmemoryinstalledonyouromputer,dothefollowing:
•OntheMirosoftWindows7operationsystem,likStart,right-likComputer,andseletProperties
toviewtheinformation.
8ThinkCentreM79UserGuide