Lenovo ThinkCentre M79 User manual

ThinkCentreM79
UserGuide
MachineTypes:10CN,10CQ,10CR,10CS,10J5,10J6,10J7,and
10J8

Note:Befreusingthisinfrmatinandtheprductitsupprts,besuretreadandunderstandthe“Read
thisfirst:Imprtantsafetyinfrmatin”npagevandAppendixF“Ntices”npage127.
ThirdEdition(May2016)
©CopyrightLenovo2014,2016
LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdatarsftwareisdeliveredpursuanttaGeneralServices
Administratin“GSA”cntract,use,reprductin,rdisclsureissubjecttrestrictinssetfrthinCntractN.
GS-35F-05925.

Contents
Readthisfirst:Importantsafety
informationv
Befreusingthismanual............v
Serviceandupgrades.............v
Staticelectricitypreventin...........vi
Pwercrdsandpweradapters........vi
Extensincrdsandrelateddevices......vii
Plugsandutlets..............vii
Externaldevices..............vii
Heatandprductventilatin.........vii
Operatingenvirnment...........viii
Lasercmpliancestatement.........viii
Pwersupplystatement............ix
Cleaningandmaintenance...........ix
Chapter1Productoverview1
Lcatins..................1
Lcatingcnnectrs,cntrls,andindicatrs
nthefrntfyurcmputer........2
Lcatingcnnectrsntherearfyur
cmputer................3
Lcatingcmpnents...........5
Lcatingpartsnthesystembard.....6
Lcatinginternaldrives..........7
Lcatingthemachinetypeandmdellabel..8
Features..................8
Specificatins...............12
Lenvprgrams.............12
Accessingaprgramnyurcmputer...12
AnintrductintLenvprgrams....13
Chapter2Usingyourcomputer17
UsingWindwsshrtcutkeys.........17
Usingthewheelmuse...........17
Settingthecmputervlume.........18
AddinganicnttheWindwsntificatinarea.18
Usingadisc................18
Usingthepticaldrive..........18
Handlingandstringadisc........19
Playingandremvingadisc.......19
Recrdingadisc............19
NavigatingamngscreensntheWindws8.1
peratingsystem..............20
AccessingCntrlPanelntheWindws8.1
peratingsystem..............21
Frequentlyaskedquestins.........21
Chapter3Youandyourcomputer23
Accessibilityandcmfrt..........23
Arrangingyurwrkspace........23
Cmfrt...............23
Glareandlighting............24
Aircirculatin.............24
Electricalutletsandcablelengths.....24
Accessibilityinfrmatin.........24
Registeringyurcmputer..........27
Mvingyurcmputertanthercuntryr
regin..................27
Chapter4Security29
Securityfeatures..............29
Lckingthecmputercver.........29
AttachingaKensingtn-stylecablelck.....31
Attachingacablelck............32
Preventingunauthrizedaccesstyur
cmputer.................32
Usingfingerprintauthenticatin........33
Usingandunderstandingfirewalls.......33
Prtectingdataagainstviruses........33
Chapter5Advancedconfiguration35
UsingtheSetupUtilityprgram........35
StartingtheSetupUtilityprgram.....35
Viewingandchangingsettings......35
UsingBIOSpasswrds.........36
Enablingrdisablingadevice.......37
Selectingastartupdevice........38
EnablingErPLPScmpliancemde....38
ICEperfrmancemde.........39
ICEthermalalert............39
ExitingtheSetupUtilityprgram......40
UpdatingrrecveringtheBIOS.......40
Usingsystemprgrams.........40
UpdatingtheBIOS...........41
RecveringfrmaBIOSupdatefailure...41
Chapter6Preventingproblems43
Keepingyurcmputercurrent........43
Gettingthelatestdevicedriversfryur
cmputer...............43
Gettingthelatestsystemupdates.....43
Cleaningandmaintenance..........43
Basics................44
Cleaningyurcmputer.........44
Gdmaintenancepractices.......45
©CpyrightLenv2014,2016i

Mvingyurcmputer...........46
Chapter7Troubleshootingand
diagnostics47
Basictrubleshting............47
Trubleshtingprcedure..........48
Trubleshting..............48
Audiprblems............49
CDprblems.............49
DVDprblems.............50
Intermittentprblems..........51
Harddiskdriveprblems.........51
Prblemswiththekeybardrmuse...52
Mnitrprblems............53
Netwrkingprblems..........54
Ihavecnnectedanptintmycmputer,
butitdesntwrk...........56
Perfrmanceandlckupprblems.....56
Theprinterdesntwrk........57
Serialcnnectrcanntbeaccessed....57
Sftwareprblems...........57
MyUSBcnnectrscanntbeaccessed..58
Diagnstics................59
LenvSlutinCenter.........59
Chapter8Recoveryinformation61
RecveryinfrmatinfrtheWindws7perating
system..................61
Creatingandusingrecverymedia.....61
Perfrmingbackupandrecveryperatins.62
Creatingandusingarescuemedium....64
Reinstallingprgramsanddevicedrivers..64
Slvingrecveryprblems........66
RecveryinfrmatinfrtheWindws8.1
peratingsystem..............66
Refreshingyurcmputer........66
Resettingyurcmputertthefactry-default
settings................66
Usingtheadvancedstartupptins....67
RecveringyurperatingsystemifWindws
8.1failststart.............67
RecveryinfrmatinfrtheWindws10perating
system..................67
Chapter9Installingorreplacing
hardware69
Handlingstatic-sensitivedevices.......69
Installingrreplacinghardware........69
Installingexternalptins........69
Remvingthecmputercver.......69
Remvingandreinstallingthefrntbezel..70
InstallingrreplacingaPCIcard......72
Installingrreplacingamemrymdule...74
Installingrreplacingthepticaldrive...76
Replacingtheslimcardreader......78
Replacingthebattery..........81
Replacingtheheatsinkandfanassembly..82
Replacingthepwersupplyassembly...84
Replacingthemicrprcessr.......85
Replacingtheharddiskdrive.......87
Installingtheslid-statedrive.......89
Replacingtherearfanassembly......90
ReplacingthefrntaudiandUSB
assembly...............92
Replacingthethermalsensr.......93
Replacingthecverpresenceswitch....95
InstallingrremvingthefrntWi-Fi
antenna...............97
InstallingrremvingtherearWi-Fiantenna.99
ReplacingtheWi-Fiunits.........100
Replacingthekeybardrmuse.....105
Cmpletingthepartsreplacement.....106
Chapter10Gettinginformation,help,
andservice109
Infrmatinresurces............109
Windwshelpsystem..........109
SafetyandWarranty...........109
LenvWebsite............109
LenvSupprtWebsite.........110
Helpandservice..............110
Usingthedcumentatinanddiagnstic
prgram...............110
Callingfrservice............110
Usingtherservices..........111
Purchasingadditinalservices......111
AppendixARegulatory
information113
Exprtclassificatinntice..........113
Electrnicemissinsntices.........113
FederalCmmunicatinsCmmissin
DeclaratinfCnfrmity........113
Eurasiancmpliancemark..........115
Brazilaudintice.............115
Mexicwireless-radicmplianceinfrmatin..115
Additinalregulatryinfrmatin.......116
AppendixBWEEEandrecycling
information117
ImprtantWEEEinfrmatin.........117
RecyclinginfrmatinfrJapan........117
RecyclinginfrmatinfrBrazil........118
BatteryrecyclinginfrmatinfrTaiwan.....118
iiThinkCentreM79UserGuide

BatteryrecyclinginfrmatinfrtheEurpean
Unin..................119
AppendixCRestrictionofHazardous
Substances(RoHS)Directive121
EurpeanUninRHS...........121
TurkishRHS...............121
UkraineRHS...............121
IndiaRHS................121
ChinaRHS................122
TaiwanRHS...............122
AppendixDChinaEnergyLabel123
AppendixEENERGYSTARmodel
information125
AppendixFNotices127
Trademarks................128
Index129
©CpyrightLenv2014,2016iii

ivThinkCentreM79UserGuide

Readthisfirst:Importantsafetyinformation
Thischaptercntainsthesafetyinfrmatinthatyumustbefamiliarwith.
Beforeusingthismanual
CAUTION:
Beforeusingthismanual,besuretoreadandunderstandalltherelatedsafetyinformationforthis
productRefertotheinformationinthissectionandthesafetyinformationintheSafety,Warranty,and
SetupGuidethatyoureceivedwiththisproductReadingandunderstandingthissafetyinformation
reducestheriskofpersonalinjuryanddamagetoyourproduct
IfyunlngerhaveacpyftheSafety,Warranty,andSetupGuide,yucanbtainaPrtableDcument
Frmat(PDF)versinfrmtheLenv®SupprtWebsiteathttp://www.lenv.cm/UserManuals.The
LenvSupprtWebsitealsprvidestheSafety,Warranty,andSetupGuideandthisUserGuidein
additinallanguages.
Serviceandupgrades
DntattempttserviceaprductyurselfunlessinstructedtdsbytheCustmerSupprtCenterr
yurdcumentatin.OnlyuseaServicePrviderwhisapprvedtrepairyurparticularprduct.
Note:Smecmputerpartscanbeupgradedrreplacedbythecustmer.Upgradestypicallyare
referredtasptins.ReplacementpartsapprvedfrcustmerinstallatinarereferredtasCustmer
ReplaceableUnits,rCRUs.Lenvprvidesdcumentatinwithinstructinswhenitisapprpriatefr
custmerstinstallptinsrreplaceCRUs.Yumustclselyfllwallinstructinswheninstallingr
replacingparts.TheOffstatefapwerindicatrdesntnecessarilymeanthatvltagelevelsinsidea
prductarezer.Befreyuremvethecversfrmaprductequippedwithapwercrd,alwaysensure
thatthepweristurnedffandthattheprductisunpluggedfrmanypwersurce.Frmreinfrmatin
nCRUs,refertChapter9“Installingrreplacinghardware”npage69.Ifyuhaveanyquestinsr
cncerns,cntacttheCustmerSupprtCenter.
Althughtherearenmvingpartsinyurcmputerafterthepwercrdhasbeendiscnnected,the
fllwingwarningsarerequiredfryursafety.
CAUTION:
HazardousmovingpartsKeepfingersandotherbodypartsaway
CAUTION:
BeforereplacinganyCRUs,turnoffthecomputerandwaitthreetofiveminutestoletthecomputer
coolbeforeopeningthecover
©CpyrightLenv2014,2016v

Staticelectricityprevention
Staticelectricity,althughharmlesstyu,canseriuslydamagecmputercmpnentsandptins.
Imprperhandlingfstatic-sensitivepartscancausedamagetthepart.Whenyuunpackanptin
rCRU,dntpenthestatic-prtectivepackagecntainingthepartuntiltheinstructinsdirectyu
tinstallit.
WhenyuhandleptinsrCRUs,rperfrmanywrkinsidethecmputer,takethefllwingprecautins
tavidstatic-electricitydamage:
•Limityurmvement.Mvementcancausestaticelectricitytbuilduparundyu.
•Alwayshandlecmpnentscarefully.Handleadapters,memrymdules,andthercircuitbardsbythe
edges.Nevertuchexpsedcircuitry.
•Preventthersfrmtuchingcmpnents.
•Whenyuinstallastatic-sensitiveptinrCRU,tuchthestatic-prtectivepackagecntainingthe
parttametalexpansin-sltcverrtherunpaintedmetalsurfacenthecmputerfratleasttw
secnds.Thisreducesstaticelectricityinthepackageandyurbdy.
•Whenpssible,remvethestatic-sensitivepartfrmthestatic-prtectivepackagingandinstallthepart
withutsettingitdwn.Whenthisisntpssible,placethestatic-prtectivepackagingnasmth,
levelsurfaceandplacethepartnit.
•Dntplacethepartnthecmputercverrthermetalsurface.
Powercordsandpoweradapters
Usenlythepwercrdsandpweradapterssuppliedbytheprductmanufacturer.Dntusetheac
pwercrdfrtherdevices.
Thepwercrdsshallbesafetyapprved.FrGermany,itshallbeH03VV-F,3G,0.75mm2(thepwercrd
cnnectedtthepweradapter),H05VV-F,3G,0.75mm2(thepwercrdcnnectedttheinternalpwer
supplyassembly),rbetter.Frthercuntries,thesuitabletypesshallbeusedaccrdingly.
Neverwrapapwercrdarundapweradapterrtherbject.Dingscanstressthecrdinwaysthat
cancausethecrdtfray,crack,rcrimp.Thiscanpresentasafetyhazard.
Alwaysrutepwercrdssthattheywillntbewalkedn,trippedver,rpinchedbybjects.
Prtectpwercrdandpweradaptersfrmliquids.Frinstance,dntleaveyurpwercrdrpwer
adapternearsinks,tubs,tilets,rnflrsthatarecleanedwithliquidcleansers.Liquidscancausea
shrtcircuit,particularlyifthepwercrdrpweradapterhasbeenstressedbymisuse.Liquidsalscan
causegradualcrrsinfpwercrdterminalsand/rthecnnectrterminalsnapweradapter,
whichcaneventuallyresultinverheating.
Ensurethatallpwercrdcnnectrsaresecurelyandcmpletelypluggedintreceptacles.
Dntuseanypweradapterthatshwscrrsinattheacinputpinsrshwssignsfverheating(such
asdefrmedplastic)attheacinputranywherenthepweradapter.
Dntuseanypwercrdswheretheelectricalcntactsneitherendshwsignsfcrrsinr
verheatingrwherethepwercrdappearsthavebeendamagedinanyway.
viThinkCentreM79UserGuide

Extensioncordsandrelateddevices
Ensurethatextensincrds,surgeprtectrs,uninterruptiblepwersupplies,andpwerstripsthatyuuse
areratedthandletheelectricalrequirementsftheprduct.Neververladthesedevices.Ifpwerstrips
areused,theladshuldntexceedthepwerstripinputrating.Cnsultanelectricianfrmreinfrmatin
ifyuhavequestinsabutpwerlads,pwerrequirements,andinputratings.
Plugsandoutlets
Ifareceptacle(pwerutlet)thatyuintendtusewithyurcmputerequipmentappearstbedamaged
rcrrded,dntusetheutletuntilitisreplacedbyaqualifiedelectrician.
Dntbendrmdifytheplug.Iftheplugisdamaged,cntactthemanufacturertbtainareplacement.
Dntshareanelectricalutletwiththerhmercmmercialappliancesthatdrawlargeamuntsf
electricity;therwise,unstablevltagemightdamageyurcmputer,data,rattacheddevices.
Smeprductsareequippedwithathree-prngedplug.Thisplugfitsnlyintagrundedelectricalutlet.
Thisisasafetyfeature.Dntdefeatthissafetyfeaturebytryingtinsertitintann-grundedutlet.If
yucanntinsertthepluginttheutlet,cntactanelectricianfranapprvedutletadapterrtreplace
theutletwithnethatenablesthissafetyfeature.Neververladanelectricalutlet.Theverallsystem
ladshuldntexceed80percentfthebranchcircuitrating.Cnsultanelectricianfrmreinfrmatin
ifyuhavequestinsabutpwerladsandbranchcircuitratings.
Besurethatthepwerutletyuareusingisprperlywired,easilyaccessible,andlcatedclsetthe
equipment.Dntfullyextendpwercrdsinawaythatwillstressthecrds.
Besurethatthepwerutletprvidesthecrrectvltageandcurrentfrtheprductyuareinstalling.
Carefullycnnectanddiscnnecttheequipmentfrmtheelectricalutlet.
Externaldevices
DntcnnectrdiscnnectanyexternaldevicecablestherthanUniversalSerialBus(USB)cableswhile
thecmputerpwerisn;therwise,yumightdamageyurcmputer.Tavidpssibledamaget
attacheddevices,waitatleastfivesecndsafterthecmputerisshutdwntdiscnnectexternaldevices.
Heatandproductventilation
Cmputers,pweradapters,andmanyaccessriescangenerateheatwhenturnednandwhenbatteries
arecharging.Alwaysfllwthesebasicprecautins:
•Dntleaveyurcmputer,pweradapter,raccessriesincntactwithyurlapranypartfyur
bdyfranextendedperidwhentheprductsarefunctiningrwhenthebatteryischarging.Yur
cmputer,pweradapter,andmanyaccessriesprducesmeheatduringnrmalperatin.Extended
cntactwiththebdyculdcausediscmfrtr,ptentially,askinburn.
•Dntchargethebatteryrperateyurcmputer,pweradapter,raccessriesnearflammable
materialsrinexplsiveenvirnments.
•Ventilatinslts,fans,andheatsinksareprvidedwiththeprductfrsafety,cmfrt,andreliable
peratin.Thesefeaturesmightinadvertentlybecmeblckedbyplacingtheprductnabed,sfa,
carpet,rtherflexiblesurface.Neverblck,cver,rdisablethesefeatures.
©CpyrightLenv2014,2016vii

Inspectyurdesktpcmputerfrdustaccumulatinatleastnceeverythreemnths.Befreinspecting
yurcmputer,turnffthepwerandunplugthecmputer'spwercrdfrmtheelectricalutlet;then
remveanydustfrmventsandperfratinsinthebezel.Ifyunticeexternaldustaccumulatin,then
examineandremvedustfrmtheinsidefthecmputerincludingheatsinkinletfins,pwersupplyvents,
andfans.Alwaysturnffandunplugthecmputerbefrepeningthecver.Ifpssible,avidperating
yurcmputerwithintwfeetfhigh-trafficareas.Ifyumustperateyurcmputerinrnearahigh-traffic
area,inspectand,ifnecessary,cleanyurcmputermrefrequently.
Fryursafetyandtmaintainptimumcmputerperfrmance,alwaysfllwthesebasicprecautins
withyurdesktpcmputer:
•Keepthecverclsedwheneverthecmputerispluggedin.
•Regularlyinspecttheutsidefthecmputerfrdustaccumulatin.
•Remvedustfrmventsandanyperfratinsinthebezel.Mrefrequentcleaningsmightberequiredfr
cmputersindustyrhigh-trafficareas.
•Dntrestrictrblckanyventilatinpenings.
•Dntstrerperateyurcmputerinsidefurniture,asthismightincreasetheriskfverheating.
•Airflwtemperaturesintthecmputershuldntexceed35°C(95°F).
•Dntinstallairfiltratindevices.Theymayinterferewithprpercling.
Operatingenvironment
Theptimalenvirnmentinwhichtuseyurcmputeris10°C–35°C(50°F–95°F)withhumidityranging
between35%and80%.Ifyurcmputerisstredrtransprtedintemperatureslessthan10°C(50°F),
allwthecldcmputertriseslwlytanptimalperatingtemperaturef10°C–35°C(50°F–95°F)befre
use.Thisprcessculdtaketwhursinextremecnditins.Failuretallwyurcmputertrisetan
ptimalperatingtemperaturebefreuseculdresultinirreparabledamagetyurcmputer.
Ifpssible,placeyurcmputerinawell-ventilatedanddryareawithutdirectexpsuretsunshine.
Keepelectricalappliancessuchasanelectricfan,radi,high-pweredspeakers,aircnditiner,and
micrwavevenawayfrmyurcmputerbecausethestrngmagneticfieldsgeneratedbythese
appliancescandamagethemnitranddatantheharddiskdrive.
Dntplaceanybeveragesntpfrbesidethecmputerrtherattacheddevices.Ifliquidisspilledn
rinthecmputerranattacheddevice,ashrtcircuitrtherdamagemightccur.
Dnteatrsmkeveryurkeybard.Particlesthatfallintyurkeybardcancausedamage.
Lasercompliancestatement
CAUTION:
Whenlaserproducts(suchasCD-ROMs,DVDdrives,fiberopticdevices,ortransmitters)are
installed,notethefollowing:
•DonotremovethecoversRemovingthecoversofthelaserproductcouldresultinexposureto
hazardouslaserradiationTherearenoserviceablepartsinsidethedevice
•Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespecifiedherein
mightresultinhazardousradiationexposure
viiiThinkCentreM79UserGuide

DANGER
SomelaserproductscontainanembeddedClass3AorClass3BlaserdiodeNotethefollowing:
LaserradiationwhenopenDonotstareintothebeam,donotviewdirectlywithoptical
instruments,andavoiddirectexposuretothebeam
Powersupplystatement
Neverremvethecvernapwersupplyranypartthathasthefllwinglabelattached.
Hazardusvltage,current,andenergylevelsarepresentinsideanycmpnentthathasthislabelattached.
Therearenserviceablepartsinsidethesecmpnents.Ifyususpectaprblemwithneftheseparts,
cntactaservicetechnician.
Cleaningandmaintenance
Keepyurcmputerandwrkspaceclean.Shutdwnthecmputerandthendiscnnectthepwer
crdbefrecleaningthecmputer.Dntsprayanyliquiddetergentdirectlynthecmputerruse
anydetergentcntainingflammablematerialtcleanthecmputer.Spraythedetergentnasftclth
andthenwipethecmputersurfaces.
©CpyrightLenv2014,2016ix

xThinkCentreM79UserGuide

Chapter1Productoverview
Thischapterprvidesthefllwinginfrmatin:
•Lcatinsfcnnectrs
•Lcatinsfcmpnents
•Lcatinsfpartsnthesystembard
•Lcatinsfinternaldrives
•Cmputerfeatures
•SftwareprgramsprvidedbyLenv
Locations
Thissectinprvidesthefllwingtpics:
•“Lcatingcnnectrs,cntrls,andindicatrsnthefrntfyurcmputer”npage2
•“Lcatingcnnectrsntherearfyurcmputer”npage3
•“Lcatingcmpnents”npage5
•“Lcatingpartsnthesystembard”npage6
•“Lcatinginternaldrives”npage7
•“Lcatingthemachinetypeandmdellabel”npage8
Note:Thecmpnentsinyurcmputermightlkslightlydifferentfrmtheillustratins.
©CpyrightLenv2014,20161

Locatingconnectors,controls,andindicatorsonthefrontofyour
computer
Thefllwingillustratinshwsthelcatinsfthecnnectrs,cntrls,andindicatrsnthefrntfyur
cmputer.
Figure1.Frontconnector,control,andindicatorlocations
1Harddiskdriveactivityindicatr2Pwerindicatr
3Pwerbuttn4Opticaldriveeject/clsebuttn
5USB2.0cnnectr6Micrphnecnnectr
7Headphnecnnectr8USB2.0cnnectr
2ThinkCentreM79UserGuide

Locatingconnectorsontherearofyourcomputer
Thefllwingillustratinshwsthelcatinsfthecnnectrsntherearfyurcmputer.Sme
cnnectrsntherearfyurcmputerareclr-cdedthelpyudeterminewheretcnnectthe
cablesnyurcmputer.
Figure2.Rearconnectorlocations
1Pwer-crdcnnectr2PS/2musecnnectr(availablensmemdels)
3PS/2keybardcnnectr(availablensmemdels)4DisplayPrt®cnnectr
5VGAcnnectr6USB3.0cnnectrs(2)
7USB2.0cnnectrs(2)8Micrphnecnnectr
9Audiline-utcnnectr10Audiline-incnnectr
11PCI/PCI-Expresscardarea(differentcardsprvide
differentcnnectrs)
12Serial(COM2)cnnectr(availablensmemdels)
13Cable-lckslts(2)(availablensmemdels)14Security-lckslt
15Padlcklp16Ethernetcnnectr
17Serialcnnectr
Note:Adiscretegraphicscard,anetwrkinterfacecard,ranaudicardcanbeinstalledintheapprpriate
PCIrPCIExpresscardslt.Ifsuchacardisinstalled,ensurethatyuusethecnnectrsnthecard
insteadfthecrrespndingcnnectrsnthecmputer.
Chapter1.Prductverview3

ConnectorDescription
Audiline-incnnectrUsedtreceiveaudisignalsfrmanexternalaudidevice,suchasastere
system.Whenyuattachanexternalaudidevice,acableiscnnectedbetween
theaudiline-utcnnectrfthedeviceandtheaudiline-incnnectrfthe
cmputer.
Audiline-utcnnectrUsedtsendaudisignalsfrmthecmputertexternaldevices,suchaspwered
sterespeakers(speakerswithbuilt-inamplifiers),headphnes,multimedia
keybards,rtheaudiline-incnnectrnasteresystemrtherexternal
recrdingdevice.
DisplayPrtcnnectrUsedtattachahigh-perfrmancemnitr,adirect-drivemnitr,rtherdevices
thatuseaDisplayPrtcnnectr.
EthernetcnnectrUsedtattachanEthernetcablefralcalareanetwrk(LAN).
Note:TperatethecmputerwithinFCCClassBlimits,useaCategry5,5e,r
6Ethernetcable.
MicrphnecnnectrUsedtattachamicrphnetyurcmputerwhenyuwanttrecrdsundrif
yuusespeech-recgnitinsftware.
PS/2keybardcnnectr
(ptinal)
UsedtattachakeybardthatusesaPersnalSystem/2(PS/2)keybard
cnnectr.
PS/2musecnnectr
(ptinal)
Usedtattachamuse,atrackball,rtherpintingdevicesthatuseaPS/2
musecnnectr.
SerialcnnectrUsedtattachanexternalmdem,aserialprinter,rtherdevicesthatusea
9-pinserialcnnectr.
USBcnnectrUsedtattachadevicethatrequiresaUSBcnnectr,suchasaUSBkeybard,a
USBmuse,aUSBscanner,raUSBprinter.IfyuhavemrethaneightUSB
devices,yucanpurchaseaUSBhub,whichyucanusetcnnectadditinal
USBdevices.
VGAcnnectrUsedtattachaVGAmnitrrtherdevicesthatuseaVideGraphicsArray
(VGA)cnnectr.
4ThinkCentreM79UserGuide

Locatingcomponents
Thefllwingillustratinshwsthelcatinsfthevariuscmpnentsinyurcmputer.Tremvethe
cmputercver,see“Remvingthecmputercver”npage69.
Figure3.Componentlocations
1Heatsinkandfanassembly2Micrprcessr
3Memrymdules4Frntbezel
5Opticaldrive6Slimcardreader(availablensmemdels)
7FrntaudiandUSBassembly8Thermalsensr
9Harddiskdriverslid-statedrive10PCIExpresscard
11Systembard12Cverpresenceswitch(Intrusinswitch)(availablensme
mdels)
13Rearfanassembly14Pwersupplyassembly
Chapter1.Prductverview5

Locatingpartsonthesystemboard
Thefllwingillustratinshwsthelcatinsfthepartsnthesystembard.
Figure4.Systemboardpartlocations
1Micrprcessrpwercnnectr2Micrprcessrfancnnectr
3Memryslt1(DIMM1)4Memryslt2(DIMM2)
5Memryslt3(DIMM3)6Memryslt4(DIMM4)
7Thermalsensrcnnectr8Harddiskdrivefancnnectr
9Opticaldriveandharddiskdrivepwer
cnnectrs(2)
10Systempwercnnectr
11Pwerfancnnectr12Parallelcnnectr
13SATA3.0cnnectrs(2)14SATA3.0cnnectr
15Frntpanelcnnectr(frcnnectingLED
indicatrsandpwerbuttn)
16FrntUSB2.0cnnectr1(frcnnectingUSBcnnectrs
1and2nthefrntbezel)
17FrntUSB2.0cnnectr2(frcnnectingan
additinalUSBdevice)
18ClearCMOS(CmplementaryMetalOxideSemicnductr)
/Recveryjumper
19Serialcnnectr20Battery
21Frntaudicnnectr22PCIcardslt
23PCIExpressx1cardslts(2)24PCIExpressx16graphicscardslt
25Systemfancnnectr26DisplayPrtcnnectr
27Micrprcessr
6ThinkCentreM79UserGuide

Locatinginternaldrives
Internaldrivesaredevicesthatyurcmputerusestreadandstredata.Yucanadddrivestyur
cmputertincreasestragecapacityandenableyurcmputertreadthertypesfmedia.Internal
drivesareinstalledinbays.
Whenyuinstallrreplaceaninternaldrive,ntethetypeandsizefthedrivethateachbaysupprtsand
crrectlycnnecttherequiredcables.Referttheapprpriatesectinin“Installingrreplacinghardware”
npage69frinstructinsnhwtinstallrreplaceinternaldrivesfryurcmputer.
Thefllwingillustratinshwsthelcatinsfthedrivebays.
Figure.Drive-baylocations
1Optical-drivebay(withanpticaldriveinstallednsmemdels)
2Card-readerdrivebay(withaslimcardreaderinstallednsmemdels)
3Primaryharddiskdrivebay(witha3.5-inchharddiskdrivera2.5-inchslid-statedriveinstalled)
4Secndaryharddiskdrivebay(witha3.5-inchharddiskdrivera2.5-inchslid-statedriveinstallednsme
mdels)
Chapter1.Prductverview7

Locatingthemachinetypeandmodellabel
Themachinetypeandmdellabelidentifiesyurcmputer.WhenyucntactLenvfrhelp,themachine
typeandmdelinfrmatinhelpssupprttechnicianstidentifyyurcmputerandprvidefasterservice.
Themachinetypeandmdellabelisattachednthebttmfyurcmputerasshwn.
Machine Type: XXXX
Model Number: XXX
Figure6.Machinetypeandmodellabel
Features
Thissectinintrducesthecmputerfeatures.Theinfrmatincversavarietyfmdels.
Microprocessor
Tviewthemicrprcessrinfrmatinfyurcmputer,dthefllwing:
•OntheMicrsft®Windws®7peratinsystem,clickStart,right-clickComputer,andselectProperties
tviewtheinfrmatin.
•OntheMicrsftWindws8.1peratingsystem,gtthedesktpandmveyurpintertthe
tp-rightrbttm-rightcrnerfthescreentdisplaythecharms.ThenclickSettings➙PCinfot
viewtheinfrmatin.
•OntheMicrsftWindws10peratingsystem,clicktheStartbuttntpentheStartmenu.Then,click
Settings➙System➙Abouttviewtheinfrmatin.
Memory
Yurcmputersupprtsuptfurdubledatarate3unbuffereddualinlinememrymdules(DDR3DIMMs).
Tdeterminetheamuntfmemryinstallednyurcmputer,dthefllwing:
•OntheMicrsftWindws7peratinsystem,clickStart,right-clickComputer,andselectProperties
tviewtheinfrmatin.
8ThinkCentreM79UserGuide