M79

Lenovo M79, M79 + ThinkVision LT2252p, M79 + ThinkVision LT2323p, M79 + ThinkVision LT2452p User guide

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ThinkCentreM79
UserGuide
MachineTypes:10CN,10CQ,10CR,and10CS
Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadandunderstandthe“Read
thisfirst:Importantsafetyinformation”onpagev
andAppendixF“Notices”onpage131.
FirstEdition(July2014)
©CopyrightLenovo2014.
LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuantaGeneralServicesAdministration
“GSAcontract,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
Usingthesingle-touchormulti-touchfeature...22
NavigatingamongscreensontheWindows8.1
operatingsystem..............22
AccessingControlPanelontheWindows8.1
operatingsystem..............23
Frequentlyaskedquestions.........24
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
Attachingacablelock............34
Usingpasswords..............34
BIOSpasswords............34
Windowspasswords..........35
Configuringthefingerprintreader.......35
Usingandunderstandingfirewalls.......35
Protectingdataagainstviruses........35
Chapter5.Advancedconfiguration..37
UsingtheSetupUtilityprogram........37
StartingtheSetupUtilityprogram.....37
Viewingandchangingsettings......37
UsingBIOSpasswords.........38
Enablingordisablingadevice.......39
Selectingastartupdevice........40
EnablingErPLPScompliancemode....40
ICEperformancemode.........41
ICEthermalalert............41
ExitingtheSetupUtilityprogram......42
UpdatingorrecoveringtheBIOS.......42
BIOSlevels..............42
Usingsystemprograms.........42
©CopyrightLenovo2014
i
ChangingtheBIOSsettingsbeforeinstallinga
newoperatingsystem..........43
UpdatingtheBIOSfromadisc......43
UpdatingtheBIOSfromyouroperating
system................44
RecoveringfromaBIOSupdatefailure...44
Chapter6.Preventingproblems...47
Keepingyourcomputercurrent........47
Gettingthelatestdevicedriversforyour
computer...............47
Updatingyouroperatingsystem......47
UsingtheSystemUpdateprogram.....48
Cleaningandmaintenance..........48
Basics................48
Cleaningyourcomputer.........48
Goodmaintenancepractices.......49
Movingyourcomputer...........50
Chapter7.Troubleshootingand
diagnostics..............51
Basictroubleshooting............51
Troubleshootingprocedure..........52
Troubleshooting..............52
Audioproblems............53
CDproblems.............53
DVDproblems.............54
Intermittentproblems..........55
Harddiskdriveproblems.........55
Problemswiththekeyboardormouse...56
Monitorproblems............57
Networkingproblems..........58
Ihaveconnectedanoptiontomycomputer,
butitdoesnotwork...........60
Performanceandlockupproblems.....60
Theprinterdoesnotwork........61
Serialconnectorcannotbeaccessed....61
Softwareproblems...........61
MyUSBconnectorscannotbeaccessed..62
Diagnostics................62
LenovoSolutionCenter.........62
Chapter8.Recoveryinformation...65
RecoveryinformationfortheWindows7operating
system..................65
Creatingandusingrecoverymedia.....65
Performingbackupandrecoveryoperations.66
Creatingandusingarescuemedium....68
Reinstallingprogramsanddevicedrivers..68
Solvingrecoveryproblems........70
RecoveryinformationfortheWindows8.1
operatingsystem..............70
Refreshingyourcomputer........70
Resettingyourcomputertothefactory-default
settings................70
Usingtheadvancedstartupoptions....71
RecoveringyouroperatingsystemifWindows
8.1failstostart.............71
Chapter9.Installingorreplacing
hardware...............73
Handlingstatic-sensitivedevices.......73
Installingorreplacinghardware........73
Installingexternaloptions........73
Removingthecomputercover.......73
Removingandreinstallingthefrontbezel..74
InstallingorreplacingaPCIcard......76
Installingorreplacingamemorymodule...78
Installingorreplacingtheopticaldrive...80
Replacingtheslimcardreader......82
Replacingthebattery..........85
Replacingtheheatsinkandfanassembly..86
Replacingthepowersupplyassembly...88
Replacingthemicroprocessor.......89
Replacingtheharddiskdrive.......91
Installingthesolid-statedrive.......93
Replacingtherearfanassembly......94
ReplacingthefrontaudioandUSB
assembly...............96
Replacingthethermalsensor.......97
Replacingthecoverpresenceswitch....99
InstallingorremovingthefrontWi-Fi
antenna...............101
InstallingorremovingtherearWi-Fi
antenna...............103
ReplacingtheWi-Fiunits.........104
Replacingthekeyboardormouse.....109
Completingthepartsreplacement.....110
Chapter10.Gettinginformation,help,
andservice.............113
Informationresources............113
LenovoThinkVantageTools........113
HelpandSupport............113
SafetyandWarranty...........113
LenovoWebsite............113
LenovoSupportWebsite.........114
Helpandservice..............114
Usingthedocumentationanddiagnostic
program...............114
Callingforservice............114
Usingotherservices..........115
Purchasingadditionalservices......115
iiThinkCentreM79UserGuide
AppendixA.Regulatory
information.............117
Exportclassificationnotice..........117
Electronicemissionsnotices.........117
FederalCommunicationsCommission
DeclarationofConformity........117
Eurasiancompliancemark..........119
Brazilregulatorynotice...........119
Mexicoregulatorynotice...........119
Additionalregulatoryinformation.......119
AppendixB.WEEEandrecycling
information.............121
ImportantWEEEinformation.........121
RecyclinginformationforJapan........121
RecyclinginformationforBrazil........122
BatteryrecyclinginformationforTaiwan.....122
BatteryrecyclinginformationfortheEuropean
Union..................122
AppendixC.RestrictionofHazardous
SubstancesDirective(RoHS)....125
EuropeanUnionRoHS...........125
ChinaRoHS................125
TurkishRoHS...............125
UkraineRoHS...............126
IndiaRoHS................126
AppendixD.ChinaEnergyLabel..127
AppendixE.ENERGYSTARmodel
information.............129
AppendixF .Notices.........131
Trademarks................132
Index.................133
©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”onpage73
.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,andindicatorsonthefrontofyourcomputeronpage2
“Locatingconnectorsontherearofyourcomputeronpage3
“Locatingcomponents”onpage5
“Locatingpartsonthesystemboard”onpage6
“Locatinginternaldrives”onpage7
“Locatingthemachinetypeandmodellabel”onpage8
Note:Thecomponentsinyourcomputermightlookslightlydifferentfromtheillustrations.
©CopyrightLenovo2014
1
Locatingconnectors,controls,andindicatorsonthefrontofyour
computer
Thefollowingillustrationshowsthelocationsoftheconnectors,controls,andindicatorsonthefrontofyour
computer.
Figure1.Frontconnector,control,andindicatorlocations
1Harddiskdriveactivityindicator2Powerindicator
3Powerbutton
4Opticaldriveeject/closebutton
5USB2.0connector
6Microphoneconnector
7Headphoneconnector
8USB2.0connector
2ThinkCentreM79UserGuide
Locatingconnectorsontherearofyourcomputer
Thefollowingillustrationshowsthelocationsoftheconnectorsontherearofyourcomputer.Some
connectorsontherearofyourcomputerarecolor-codedtohelpyoudeterminewheretoconnectthe
cablesonyourcomputer.
Figure2.Rearconnectorlocations
1Power-cordconnector
2PS/2mouseconnector(availableonsomemodels)
3PS/2keyboardconnector(availableonsomemodels)
4DisplayPort
®
connector
5VGAconnector6USB3.0connectors(2)
7USB2.0connectors(2)
8Microphoneconnector
9Audioline-outconnector10Audioline-inconnector
11PCI/PCI-Expresscardarea(differentcardsprovide
differentconnectors)
12Serial(COM2)connector(availableonsomemodels)
13Cable-lockslots(2)(availableonsomemodels)14Security-lockslot
15Padlockloop16Ethernetconnector
17Serialconnector
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,multimedia
keyboards,ortheaudioline-inconnectoronastereosystemorotherexternal
recordingdevice.
DisplayPortconnector
Usedtoattachahigh-performancemonitor,adirect-drivemonitor,orotherdevices
thatuseaDisplayPortconnector.
Ethernetconnector
UsedtoattachanEthernetcableforalocalareanetwork(LAN).
Note:TooperatethecomputerwithinFCCClassBlimits,useaCategory5Ethernet
cable.
Microphoneconnector
Usedtoattachamicrophonetoyourcomputerwhenyouwanttorecordsoundorif
youusespeech-recognitionsoftware.
PS/2keyboardconnector
(optional)
UsedtoattachakeyboardthatusesaPersonalSystem/2(PS/2)keyboard
connector.
PS/2mouseconnector
(optional)
Usedtoattachamouse,atrackball,orotherpointingdevicesthatuseaPS/2
mouseconnector.
Serialconnector
Usedtoattachanexternalmodem,aserialprinter,orotherdevicesthatusea
9-pinserialconnector.
USBconnectorUsedtoattachadevicethatrequiresaUSBconnector,suchasaUSBkeyboard,a
USBmouse,aUSBscanner,oraUSBprinter.IfyouhavemorethaneightUSB
devices,youcanpurchaseaUSBhub,whichyoucanusetoconnectadditional
USBdevices.
VGAconnectorUsedtoattachaVGAmonitororotherdevicesthatuseaVideoGraphicsArray
(VGA)connector.
4ThinkCentreM79UserGuide
Locatingcomponents
Thefollowingillustrationshowsthelocationsofthevariouscomponentsinyourcomputer.Toremovethe
computercover,see“Removingthecomputercoveronpage73.
Figure3.Componentlocations
1Heatsinkandfanassembly
2Microprocessor
3Memorymodules4Frontbezel
5Opticaldrive6Slimcardreader(availableonsomemodels)
7FrontaudioandUSBassembly
8Thermalsensor
9Harddiskdriveorsolid-statedrive
10PCIExpresscard
11Systemboard12Coverpresenceswitch(Intrusionswitch)(availableonsome
models)
13Rearfanassembly
14Powersupplyassembly
Chapter1.Productoverview5
Locatingpartsonthesystemboard
Thefollowingillustrationshowsthelocationsofthepartsonthesystemboard.
Figure4.Systemboardpartlocations
14-pinpowerconnector
2Microprocessorfanconnector
3Memoryslot1(DIMM1)4Memoryslot2(DIMM2)
5Memoryslot3(DIMM3)6Memoryslot4(DIMM4)
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”
onpage73
forinstructionsonhowtoinstallorreplaceinternaldrivesforyourcomputer.
Thefollowingillustrationshowsthelocationsofthedrivebays.
Figure5.Drive-baylocations
1Optical-drivebay(withanopticaldriveinstalledonsomemodels)
2Card-readerdrivebay(withaslimcardreaderinstalledonsomemodels)
3Primaryharddiskdrivebay(witha3.5-inchharddiskdriveora2.5-inchsolid-statedriveinstalled)
4Secondaryharddiskdrivebay(witha3.5-inchharddiskdriveora2.5-inchsolid-statedriveinstalledonsome
models)
Chapter1.Productoverview7
Locatingthemachinetypeandmodellabel
Themachinetypeandmodellabelidentifiesyourcomputer.WhenyoucontactLenovoforhelp,themachine
typeandmodelinformationhelpssupporttechnicianstoidentifyyourcomputerandprovidefasterservice.
Themachinetypeandmodellabelisattachedonthebottomofyourcomputerasshown.
Machine Type: XXXX
Model Number: XXX
Figure6.Machinetypeandmodellabel
Features
Thissectionintroducesthecomputerfeatures.Theinformationcoversavarietyofmodels.
Microprocessor
Toviewthemicroprocessorinformationofyourcomputer,dothefollowing:
OntheMicrosoft
®
Windows
®
7operationsystem,clickStart,right-clickComputer,andselectProperties
toviewtheinformation.
OntheMicrosoftWindows8.1operatingsystem,gotothedesktopandmoveyourpointertothe
top-rightorbottom-rightcornerofthescreentodisplaythecharms.ThenclickSettingsPCinfoto
viewtheinformation.
Memory
Yourcomputersupportsuptofourdoubledatarate3unbuffereddualinlinememorymodules(DDR3DIMMs).
Todeterminetheamountofmemoryinstalledonyourcomputer,dothefollowing:
OntheMicrosoftWindows7operationsystem,clickStart,right-clickComputer,andselectProperties
toviewtheinformation.
8ThinkCentreM79UserGuide
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