Lenovo ThinkCentre M79 User manual

ThinkCentreM79
UserGuide
MachineTypes:10CN,10CQ,10CR,and10CS

Note:Beforeusingthisinformationandtheprodutitsupports,besuretoreadandunderstandthe“Read
thisfirst:Importantsafetyinformation”onpagevandAppendixF“Noties”onpage131.
FirstEdition(July2014)
©Copyrightenovo2014.
LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuantaGeneralServiesAdministration
“GSA”ontrat,use,reprodution,ordislosureissubjettorestritionssetforthinContratNo.GS-35F-05925.

Contents
Readthisfirst:Importantsafety
information...............v
Beforeusingthismanual............v
Servieandupgrades.............v
Statieletriityprevention...........vi
Powerordsandpoweradapters........vi
Extensionordsandrelateddevies.......vi
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
AessingLenovoprogramsontheWindows
7operatingsystem...........12
AessingLenovoprogramsontheWindows
8.1operatingsystem..........13
AnintrodutiontoLenovoprograms....14
Chapter2.Usingyourcomputer...17
Registeringyouromputer..........17
Usingkeyboardshortuts..........17
Usingthefingerprintreader..........18
Usingthewheelmouse...........18
Managingpower..............18
Advanedonfigurationandpowerinterfae
(ACPI)BIOS..............19
AutomatiPower-onfeatures.......19
Settingtheomputervolume.........19
Settingthevolumefromthedesktop....19
SettingthevolumefromControlPanel...20
Usingadis................20
Usingtheoptialdrive..........20
Handlingandstoringadis........21
Playingandremovingadis.......21
Reordingadis............21
Usingthesingle-touhormulti-touhfeature...22
NavigatingamongsreensontheWindows8.1
operatingsystem..............22
AessingControlPanelontheWindows8.1
operatingsystem..............23
Frequentlyaskedquestions.........24
Chapter3.Youandyourcomputer..25
Aessibilityandomfort..........25
Arrangingyourworkspae........25
Comfort...............25
Glareandlighting............26
Airirulation.............26
Eletrialoutletsandablelengths.....26
Aessibilityinformation.........26
Movingyouromputertoanotherountryor
region..................30
Chapter4.Security..........31
Seurityfeatures..............31
Lokingtheomputerover.........31
AttahingaKensington-styleablelok.....33
Attahingaablelok............34
Usingpasswords..............34
BIOSpasswords............34
Windowspasswords..........35
Configuringthefingerprintreader.......35
Usingandunderstandingfirewalls.......35
Protetingdataagainstviruses........35
Chapter5.Advancedconfiguration..37
UsingtheSetupUtilityprogram........37
StartingtheSetupUtilityprogram.....37
Viewingandhangingsettings......37
UsingBIOSpasswords.........38
Enablingordisablingadevie.......39
Seletingastartupdevie........40
EnablingErPLPSomplianemode....40
ICEperformanemode.........41
ICEthermalalert............41
ExitingtheSetupUtilityprogram......42
UpdatingorreoveringtheBIOS.......42
BIOSlevels..............42
Usingsystemprograms.........42
©CopyrightLenovo2014i

ChangingtheBIOSsettingsbeforeinstallinga
newoperatingsystem..........43
UpdatingtheBIOSfromadis......43
UpdatingtheBIOSfromyouroperating
system................44
ReoveringfromaBIOSupdatefailure...44
Chapter6.Preventingproblems...47
Keepingyouromputerurrent........47
Gettingthelatestdeviedriversforyour
omputer...............47
Updatingyouroperatingsystem......47
UsingtheSystemUpdateprogram.....48
Cleaningandmaintenane..........48
Basis................48
Cleaningyouromputer.........48
Goodmaintenanepraties.......49
Movingyouromputer...........50
Chapter7.Troubleshootingand
diagnostics..............51
Basitroubleshooting............51
Troubleshootingproedure..........52
Troubleshooting..............52
Audioproblems............53
CDproblems.............53
DVDproblems.............54
Intermittentproblems..........55
Harddiskdriveproblems.........55
Problemswiththekeyboardormouse...56
Monitorproblems............57
Networkingproblems..........58
Ihaveonnetedanoptiontomyomputer,
butitdoesnotwork...........60
Performaneandlokupproblems.....60
Theprinterdoesnotwork........61
Serialonnetorannotbeaessed....61
Softwareproblems...........61
MyUSBonnetorsannotbeaessed..62
Diagnostis................62
LenovoSolutionCenter.........62
Chapter8.Recoveryinformation...65
ReoveryinformationfortheWindows7operating
system..................65
Creatingandusingreoverymedia.....65
Performingbakupandreoveryoperations.66
Creatingandusingaresuemedium....68
Reinstallingprogramsanddeviedrivers..68
Solvingreoveryproblems........70
ReoveryinformationfortheWindows8.1
operatingsystem..............70
Refreshingyouromputer........70
Resettingyouromputertothefatory-default
settings................70
Usingtheadvanedstartupoptions....71
ReoveringyouroperatingsystemifWindows
8.1failstostart.............71
Chapter9.Installingorreplacing
hardware...............73
Handlingstati-sensitivedevies.......73
Installingorreplainghardware........73
Installingexternaloptions........73
Removingtheomputerover.......73
Removingandreinstallingthefrontbezel..74
InstallingorreplaingaPCIard......76
Installingorreplaingamemorymodule...78
Installingorreplaingtheoptialdrive...80
Replaingtheslimardreader......82
Replaingthebattery..........85
Replaingtheheatsinkandfanassembly..86
Replaingthepowersupplyassembly...88
Replaingthemiroproessor.......89
Replaingtheharddiskdrive.......91
Installingthesolid-statedrive.......93
Replaingtherearfanassembly......94
ReplaingthefrontaudioandUSB
assembly...............96
Replaingthethermalsensor.......97
Replaingtheoverpreseneswith....99
InstallingorremovingthefrontWi-Fi
antenna...............101
InstallingorremovingtherearWi-Fi
antenna...............103
ReplaingtheWi-Fiunits.........104
Replaingthekeyboardormouse.....109
Completingthepartsreplaement.....110
Chapter10.Gettinginformation,help,
andservice.............113
Informationresoures............113
LenovoThinkVantageTools........113
HelpandSupport............113
SafetyandWarranty...........113
LenovoWebsite............113
LenovoSupportWebsite.........114
Helpandservie..............114
Usingthedoumentationanddiagnosti
program...............114
Callingforservie............114
Usingotherservies..........115
Purhasingadditionalservies......115
iiThinkCentreM79UserGuide

AppendixA.Regulatory
information.............117
Exportlassifiationnotie..........117
Eletroniemissionsnoties.........117
FederalCommuniationsCommission
DelarationofConformity........117
Eurasianomplianemark..........119
Brazilregulatorynotie...........119
Mexioregulatorynotie...........119
Additionalregulatoryinformation.......119
AppendixB.WEEEandrecycling
information.............121
ImportantWEEEinformation.........121
ReylinginformationforJapan........121
ReylinginformationforBrazil........122
BatteryreylinginformationforTaiwan.....122
BatteryreylinginformationfortheEuropean
Union..................122
AppendixC.RestrictionofHazardous
SubstancesDirective(RoHS)....125
EuropeanUnionRoHS...........125
ChinaRoHS................125
TurkishRoHS...............125
UkraineRoHS...............126
IndiaRoHS................126
AppendixD.ChinaEnergyabel..127
AppendixE.ENERGYSTARmodel
information.............129
AppendixF.Notices.........131
Trademarks................132
Index.................133
©CopyrightLenovo2014iii

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”onpage73.Ifyouhaveanyquestionsor
onerns,ontattheCustomerSupportCenter.
Althoughtherearenomovingpartsinyouromputerafterthepowerordhasbeendisonneted,the
followingwarningsarerequiredforyoursafety.
CAUTION:
Hazardousmovingparts.Keepfingersandotherbodypartsaway.
CAUTION:
BeforereplacinganyCRUs,turnoffthecomputerandwaitthreetofiveminutestoletthecomputer
coolbeforeopeningthecover.
©CopyrightLenovo2014v

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.
Thepowerordsshallbesafetyapproved.ForGermany,itshallbeH05VV-F,3G,0.75mm2,orbetter.For
otherountries,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.
Extensioncordsandrelateddevices
Ensurethatextensionords,surgeprotetors,uninterruptiblepowersupplies,andpowerstripsthatyouuse
areratedtohandletheeletrialrequirementsoftheprodut.Neveroverloadthesedevies.Ifpowerstrips
viThinkCentreM79UserGuide

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.
Inspetyourdesktopomputerfordustaumulationatleastoneeverythreemonths.Beforeinspeting
youromputer,turnoffthepowerandunplugtheomputer'spowerordfromtheeletrialoutlet;then
removeanydustfromventsandperforationsinthebezel.Ifyounotieexternaldustaumulation,then
examineandremovedustfromtheinsideoftheomputerinludingheatsinkinletfins,powersupplyvents,
andfans.Alwaysturnoffandunplugtheomputerbeforeopeningtheover.Ifpossible,avoidoperating
©CopyrightLenovo2014vii

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.
asercompliancestatement
CAUTION:
Whenlaserproducts(suchasCD-ROMs,DVDdrives,fiberopticdevices,ortransmitters)are
installed,notethefollowing:
•Donotremovethecovers.Removingthecoversofthelaserproductcouldresultinexposureto
hazardouslaserradiation.Therearenoserviceablepartsinsidethedevice.
•Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespecifiedherein
mightresultinhazardousradiationexposure.
viiiThinkCentreM79UserGuide

DANGER
SomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing:
aserradiationwhenopen.Donotstareintothebeam,donotviewdirectlywithoptical
instruments,andavoiddirectexposuretothebeam.
Powersupplystatement
Neverremovetheoveronapowersupplyoranypartthathasthefollowinglabelattahed.
Hazardousvoltage,urrent,andenergylevelsarepresentinsideanyomponentthathasthislabelattahed.
Therearenoservieablepartsinsidetheseomponents.Ifyoususpetaproblemwithoneoftheseparts,
ontataservietehniian.
Cleaningandmaintenance
Keepyouromputerandworkspaelean.Shutdowntheomputerandthendisonnetthepower
ordbeforeleaningtheomputer.Donotsprayanyliquiddetergentdiretlyontheomputeroruse
anydetergentontainingflammablematerialtoleantheomputer.Spraythedetergentonasoftloth
andthenwipetheomputersurfaes.
©CopyrightLenovo2014ix

xThinkCentreM79UserGuide

Chapter1.Productoverview
Thishapterprovidesthefollowinginformation:
•Loationsofonnetors
•Loationsofomponents
•Loationsofpartsonthesystemboard
•Loationsofinternaldrives
•Computerfeatures
•SoftwareprogramsprovidedbyLenovo
ocations
Thissetionprovidesthefollowingtopis:
•“Loatingonnetors,ontrols,andindiatorsonthefrontofyouromputer”onpage2
•“Loatingonnetorsontherearofyouromputer”onpage3
•“Loatingomponents”onpage5
•“Loatingpartsonthesystemboard”onpage6
•“Loatinginternaldrives”onpage7
•“Loatingthemahinetypeandmodellabel”onpage8
Note:Theomponentsinyouromputermightlookslightlydifferentfromtheillustrations.
©CopyrightLenovo20141

ocatingconnectors,controls,andindicatorsonthefrontofyour
computer
Thefollowingillustrationshowstheloationsoftheonnetors,ontrols,andindiatorsonthefrontofyour
omputer.
Figure1.Frontconnector,control,andindicatorlocations
1Harddiskdriveativityindiator2Powerindiator
3Powerbutton4Optialdriveejet/losebutton
5USB2.0onnetor6Mirophoneonnetor
7Headphoneonnetor8USB2.0onnetor
2ThinkCentreM79UserGuide

ocatingconnectorsontherearofyourcomputer
Thefollowingillustrationshowstheloationsoftheonnetorsontherearofyouromputer.Some
onnetorsontherearofyouromputerareolor-odedtohelpyoudeterminewheretoonnetthe
ablesonyouromputer.
Figure2.Rearconnectorlocations
1Power-ordonnetor2PS/2mouseonnetor(availableonsomemodels)
3PS/2keyboardonnetor(availableonsomemodels)4DisplayPort®onnetor
5VGAonnetor6USB3.0onnetors(2)
7USB2.0onnetors(2)8Mirophoneonnetor
9Audioline-outonnetor10Audioline-inonnetor
11PCI/PCI-Expressardarea(differentardsprovide
differentonnetors)
12Serial(COM2)onnetor(availableonsomemodels)
13Cable-lokslots(2)(availableonsomemodels)14Seurity-lokslot
15Padlokloop16Ethernetonnetor
17Serialonnetor
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,multimedia
keyboards,ortheaudioline-inonnetoronastereosystemorotherexternal
reordingdevie.
DisplayPortonnetorUsedtoattahahigh-performanemonitor,adiret-drivemonitor,orotherdevies
thatuseaDisplayPortonnetor.
EthernetonnetorUsedtoattahanEthernetableforaloalareanetwork(LAN).
Note:TooperatetheomputerwithinFCCClassBlimits,useaCategory5Ethernet
able.
MirophoneonnetorUsedtoattahamirophonetoyouromputerwhenyouwanttoreordsoundorif
youusespeeh-reognitionsoftware.
PS/2keyboardonnetor
(optional)
UsedtoattahakeyboardthatusesaPersonalSystem/2(PS/2)keyboard
onnetor.
PS/2mouseonnetor
(optional)
Usedtoattahamouse,atrakball,orotherpointingdeviesthatuseaPS/2
mouseonnetor.
SerialonnetorUsedtoattahanexternalmodem,aserialprinter,orotherdeviesthatusea
9-pinserialonnetor.
USBonnetorUsedtoattahadeviethatrequiresaUSBonnetor,suhasaUSBkeyboard,a
USBmouse,aUSBsanner,oraUSBprinter.IfyouhavemorethaneightUSB
devies,youanpurhaseaUSBhub,whihyouanusetoonnetadditional
USBdevies.
VGAonnetorUsedtoattahaVGAmonitororotherdeviesthatuseaVideoGraphisArray
(VGA)onnetor.
4ThinkCentreM79UserGuide

ocatingcomponents
Thefollowingillustrationshowstheloationsofthevariousomponentsinyouromputer.Toremovethe
omputerover,see“Removingtheomputerover”onpage73.
Figure3.Componentlocations
1Heatsinkandfanassembly2Miroproessor
3Memorymodules4Frontbezel
5Optialdrive6Slimardreader(availableonsomemodels)
7FrontaudioandUSBassembly8Thermalsensor
9Harddiskdriveorsolid-statedrive10PCIExpressard
11Systemboard12Coverpreseneswith(Intrusionswith)(availableonsome
models)
13Rearfanassembly14Powersupplyassembly
Chapter1.Produtoverview5

ocatingpartsonthesystemboard
Thefollowingillustrationshowstheloationsofthepartsonthesystemboard.
Figure4.Systemboardpartlocations
14-pinpoweronnetor2Miroproessorfanonnetor
3Memoryslot1(DIMM1)4Memoryslot2(DIMM2)
5Memoryslot3(DIMM3)6Memoryslot4(DIMM4)
7Thermalsensoronnetor8Harddiskdrivefanonnetor
94-pinpoweronnetors(2)1014-pinpoweronnetor
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

ocatinginternaldrives
Internaldrivesaredeviesthatyouromputerusestoreadandstoredata.Youanadddrivestoyour
omputertoinreasestorageapaityandenableyouromputertoreadothertypesofmedia.Internal
drivesareinstalledinbays.
Whenyouinstallorreplaeaninternaldrive,notethetypeandsizeofthedrivethateahbaysupportsand
orretlyonnettherequiredables.Refertotheappropriatesetionin“Installingorreplainghardware”
onpage73forinstrutionsonhowtoinstallorreplaeinternaldrivesforyouromputer.
Thefollowingillustrationshowstheloationsofthedrivebays.
Figure.Drive-baylocations
1Optial-drivebay(withanoptialdriveinstalledonsomemodels)
2Card-readerdrivebay(withaslimardreaderinstalledonsomemodels)
3Primaryharddiskdrivebay(witha3.5-inhharddiskdriveora2.5-inhsolid-statedriveinstalled)
4Seondaryharddiskdrivebay(witha3.5-inhharddiskdriveora2.5-inhsolid-statedriveinstalledonsome
models)
Chapter1.Produtoverview7

ocatingthemachinetypeandmodellabel
Themahinetypeandmodellabelidentifiesyouromputer.WhenyouontatLenovoforhelp,themahine
typeandmodelinformationhelpssupporttehniianstoidentifyyouromputerandprovidefasterservie.
Themahinetypeandmodellabelisattahedonthebottomofyouromputerasshown.
Machine Type: XXXX
Model Number: XXX
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.
Memory
Youromputersupportsuptofourdoubledatarate3unbuffereddualinlinememorymodules(DDR3DIMMs).
Todeterminetheamountofmemoryinstalledonyouromputer,dothefollowing:
•OntheMirosoftWindows7operationsystem,likStart,right-likComputer,andseletProperties
toviewtheinformation.
8ThinkCentreM79UserGuide