Lenovo M79 SFF User guide

ThinkCentreM79

UserGuide

MachineTypes:10CT,10CU,10CV,and10CW

Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadandunderstandthe“Read

thisﬁrst:Importantsafetyinformation”onpagev

andAppendixF“Notices”onpage135.

FirstEdition(July2014)

©CopyrightLenovo2014.

LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuantaGeneralServicesAdministration

“GSA”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.GS-35F-05925.

Contents

Readthisﬁrst:Importantsafety

information...............v

Beforeusingthismanual............v

Serviceandupgrades.............v

Staticelectricityprevention...........vi

Powercordsandpoweradapters........vi

Extensioncordsandrelateddevices.......vi

Plugsandoutlets..............vii

Externaldevices..............vii

Heatandproductventilation.........vii

Operatingenvironment...........viii

Lasercompliancestatement.........viii

Powersupplystatement............ix

Cleaningandmaintenance...........ix

Chapter1.Productoverview......1

Locations..................1

Locatingconnectors,controls,andindicators

onthefrontofyourcomputer........2

Locatingconnectorsontherearofyour

computer................3

Locatingcomponents...........5

Locatingpartsonthesystemboard.....6

Locatinginternaldrives..........7

Locatingthemachinetypeandmodellabel..8

Features..................8

Speciﬁcations...............12

Lenovoprograms.............12

AccessingLenovoprogramsontheWindows

7operatingsystem...........12

AccessingLenovoprogramsontheWindows

8.1operatingsystem..........13

AnintroductiontoLenovoprograms....14

Chapter2.Usingyourcomputer...17

Registeringyourcomputer..........17

Usingkeyboardshortcuts..........17

Usingtheﬁngerprintreader..........18

Usingthewheelmouse...........18

Managingpower..............18

Advancedconﬁgurationandpowerinterface

(ACPI)BIOS..............19

AutomaticPower-onfeatures.......19

Settingthecomputervolume.........19

Settingthevolumefromthedesktop....19

SettingthevolumefromControlPanel...20

Usingadisc................20

Usingtheopticaldrive..........20

Handlingandstoringadisc........21

Playingandremovingadisc.......21

Recordingadisc............21

NavigatingamongscreensontheWindows8.1

operatingsystem..............22

AccessingControlPanelontheWindows8.1

operatingsystem..............23

Frequentlyaskedquestions.........23

Chapter3.Youandyourcomputer..25

Accessibilityandcomfort..........25

Arrangingyourworkspace........25

Comfort...............25

Glareandlighting............26

Aircirculation.............26

Electricaloutletsandcablelengths.....26

Accessibilityinformation.........26

Movingyourcomputertoanothercountryor

region..................30

Chapter4.Security..........31

Securityfeatures..............31

Lockingthecomputercover.........31

AttachingaKensington-stylecablelock.....33

Usingpasswords..............33

BIOSpasswords............33

Windowspasswords..........34

Conﬁguringtheﬁngerprintreader.......34

Usingandunderstandingﬁrewalls.......34

Protectingdataagainstviruses........34

Chapter5.Advancedconﬁguration..35

UsingtheSetupUtilityprogram........35

StartingtheSetupUtilityprogram.....35

Viewingandchangingsettings......35

UsingBIOSpasswords.........36

Enablingordisablingadevice.......37

Selectingastartupdevice........38

EnablingErPLPScompliancemode....38

ICEperformancemode.........39

ICEthermalalert............39

ExitingtheSetupUtilityprogram......40

UpdatingorrecoveringtheBIOS.......40

BIOSlevels..............40

Usingsystemprograms.........40

ChangingtheBIOSsettingsbeforeinstallinga

newoperatingsystem..........41

UpdatingtheBIOSfromadisc......41

©CopyrightLenovo2014

i

UpdatingtheBIOSfromyouroperating

system................42

RecoveringfromaBIOSupdatefailure...42

Chapter6.Preventingproblems...45

Keepingyourcomputercurrent........45

Gettingthelatestdevicedriversforyour

computer...............45

Updatingyouroperatingsystem......45

UsingtheSystemUpdateprogram.....46

Cleaningandmaintenance..........46

Basics................46

Cleaningyourcomputer.........46

Goodmaintenancepractices.......47

Movingyourcomputer...........48

Chapter7.Troubleshootingand

diagnostics..............49

Basictroubleshooting............49

Troubleshootingprocedure..........50

Troubleshooting..............50

Audioproblems............51

CDproblems.............51

DVDproblems.............52

Intermittentproblems..........53

Harddiskdriveproblems.........53

Problemswiththekeyboardormouse...54

Monitorproblems............55

Networkingproblems..........56

Ihaveconnectedanoptiontomycomputer,

butitdoesnotwork...........58

Performanceandlockupproblems.....58

Theprinterdoesnotwork........59

Serialconnectorcannotbeaccessed....59

Softwareproblems...........59

MyUSBconnectorscannotbeaccessed..60

Diagnostics................60

LenovoSolutionCenter.........60

Chapter8.Recoveryinformation...63

RecoveryinformationfortheWindows7operating

system..................63

Creatingandusingrecoverymedia.....63

Performingbackupandrecoveryoperations.64

Creatingandusingarescuemedium....66

Reinstallingprogramsanddevicedrivers..66

Solvingrecoveryproblems........68

RecoveryinformationfortheWindows8.1

operatingsystem..............68

Refreshingyourcomputer........68

Resettingyourcomputertothefactory-default

settings................68

Usingtheadvancedstartupoptions....69

RecoveringyouroperatingsystemifWindows

8.1failstostart.............69

Chapter9.Installingorreplacing

hardware...............71

Handlingstatic-sensitivedevices.......71

Installingorreplacinghardware........71

Installingexternaloptions........71

Removingthecomputercover.......71

Removingandreinstallingthefrontbezel..72

Accessingthesystemboardcomponentsand

drives................74

Installingorreplacingamemorymodule...75

InstallingorreplacingaPCIcard......77

Replacingthebattery..........79

Replacingtheharddiskdrive.......80

Replacingthesolid-statedrive......82

Installingorreplacingtheopticaldrive...87

Replacingtheslimcardreader......90

Replacingtheheatsinkandfanassembly..92

Replacingthepowersupplyassembly...95

Replacingthemicroprocessor.......98

ReplacingthefrontaudioandUSB

assembly...............101

Replacingthesystemfanassembly....102

Replacingthethermalsensor.......103

InstallingorremovingthefrontWi-Fi

antenna...............105

InstallingorremovingtherearWi-Fi

antenna...............107

ReplacingtheWi-Fiunits.........109

Replacingthekeyboardormouse.....113

Completingthepartsreplacement.....114

Chapter10.Gettinginformation,help,

andservice.............117

Informationresources............117

LenovoThinkVantageTools........117

HelpandSupport............117

SafetyandWarranty...........117

LenovoWebsite............117

LenovoSupportWebsite.........118

Helpandservice..............118

Usingthedocumentationanddiagnostic

program...............118

Callingforservice............118

Usingotherservices..........119

Purchasingadditionalservices......119

AppendixA.Regulatory

information.............121

iiThinkCentreM79UserGuide

Exportclassiﬁcationnotice..........121

Electronicemissionsnotices.........121

FederalCommunicationsCommission

DeclarationofConformity........121

Eurasiancompliancemark..........123

Brazilregulatorynotice...........123

Mexicoregulatorynotice...........123

Additionalregulatoryinformation.......123

AppendixB.WEEEandrecycling

information.............125

ImportantWEEEinformation.........125

RecyclinginformationforJapan........125

RecyclinginformationforBrazil........126

BatteryrecyclinginformationforTaiwan.....126

BatteryrecyclinginformationfortheEuropean

Union..................126

AppendixC.RestrictionofHazardous

SubstancesDirective(RoHS)....129

EuropeanUnionRoHS...........129

ChinaRoHS................129

TurkishRoHS...............129

UkraineRoHS...............130

IndiaRoHS................130

AppendixD.ChinaEnergyLabel..131

AppendixE.ENERGYSTARmodel

information.............133

AppendixF .Notices.........135

Trademarks................136

Index.................137

©CopyrightLenovo2014

iii

ivThinkCentreM79UserGuide

Readthisﬁrst:Importantsafetyinformation

Thischaptercontainsthesafetyinformationthatyoumustbefamiliarwith.

Beforeusingthismanual

CAUTION:

Beforeusingthismanual,besuretoreadandunderstandalltherelatedsafetyinformationforthis

product.RefertotheinformationinthissectionandthesafetyinformationintheSafety,Warranty,and

SetupGuidethatyoureceivedwiththisproduct.Readingandunderstandingthissafetyinformation

reducestheriskofpersonalinjuryanddamagetoyourproduct.

IfyounolongerhaveacopyoftheSafety,Warranty,andSetupGuide,youcanobtainaPortableDocument

Format(PDF)versionfromtheLenovo

®

SupportWebsiteathttp://www.lenovo.com/UserManuals.The

LenovoSupportWebsitealsoprovidestheSafety,Warranty,andSetupGuideandthisUserGuidein

additionallanguages.

Serviceandupgrades

DonotattempttoserviceaproductyourselfunlessinstructedtodosobytheCustomerSupportCenteror

yourdocumentation.OnlyuseaServiceProviderwhoisapprovedtorepairyourparticularproduct.

Note:Somecomputerpartscanbeupgradedorreplacedbythecustomer.Upgradestypicallyare

referredtoasoptions.ReplacementpartsapprovedforcustomerinstallationarereferredtoasCustomer

ReplaceableUnits,orCRUs.Lenovoprovidesdocumentationwithinstructionswhenitisappropriatefor

customerstoinstalloptionsorreplaceCRUs.Youmustcloselyfollowallinstructionswheninstallingor

replacingparts.TheOffstateofapowerindicatordoesnotnecessarilymeanthatvoltagelevelsinsidea

productarezero.Beforeyouremovethecoversfromaproductequippedwithapowercord,alwaysensure

thatthepoweristurnedoffandthattheproductisunpluggedfromanypowersource.Formoreinformation

onCRUs,refertoChapter9“Installingorreplacinghardware”onpage71

.Ifyouhaveanyquestionsor

concerns,contacttheCustomerSupportCenter.

Althoughtherearenomovingpartsinyourcomputerafterthepowercordhasbeendisconnected,the

followingwarningsarerequiredforyoursafety.

CAUTION:

Hazardousmovingparts.Keepﬁngersandotherbodypartsaway.

CAUTION:

BeforereplacinganyCRUs,turnoffthecomputerandwaitthreetoﬁveminutestoletthecomputer

coolbeforeopeningthecover.

©CopyrightLenovo2014

v

Staticelectricityprevention

Staticelectricity,althoughharmlesstoyou,canseriouslydamagecomputercomponentsandoptions.

Improperhandlingofstatic-sensitivepartscancausedamagetothepart.Whenyouunpackanoption

orCRU,donotopenthestatic-protectivepackagecontainingthepartuntiltheinstructionsdirectyou

toinstallit.

WhenyouhandleoptionsorCRUs,orperformanyworkinsidethecomputer,takethefollowingprecautions

toavoidstatic-electricitydamage:

•Limityourmovement.Movementcancausestaticelectricitytobuilduparoundyou.

•Alwayshandlecomponentscarefully.Handleadapters,memorymodules,andothercircuitboardsbythe

edges.Nevertouchexposedcircuitry.

•Preventothersfromtouchingcomponents.

•Whenyouinstallastatic-sensitiveoptionorCRU,touchthestatic-protectivepackagecontainingthe

parttoametalexpansion-slotcoverorotherunpaintedmetalsurfaceonthecomputerforatleasttwo

seconds.Thisreducesstaticelectricityinthepackageandyourbody.

•Whenpossible,removethestatic-sensitivepartfromthestatic-protectivepackagingandinstallthepart

withoutsettingitdown.Whenthisisnotpossible,placethestatic-protectivepackagingonasmooth,

levelsurfaceandplacethepartonit.

•Donotplacethepartonthecomputercoverorothermetalsurface.

Powercordsandpoweradapters

Useonlythepowercordsandpoweradapterssuppliedbytheproductmanufacturer.

Thepowercordsshallbesafetyapproved.ForGermany,itshallbeH05VV-F,3G,0.75mm

2

,orbetter.For

othercountries,thesuitabletypesshallbeusedaccordingly.

Neverwrapapowercordaroundapoweradapterorotherobject.Doingsocanstressthecordinwaysthat

cancausethecordtofray,crack,orcrimp.Thiscanpresentasafetyhazard.

Alwaysroutepowercordssothattheywillnotbewalkedon,trippedover,orpinchedbyobjects.

Protectpowercordandpoweradaptersfromliquids.Forinstance,donotleaveyourpowercordorpower

adapternearsinks,tubs,toilets,oronﬂoorsthatarecleanedwithliquidcleansers.Liquidscancausea

shortcircuit,particularlyifthepowercordorpoweradapterhasbeenstressedbymisuse.Liquidsalsocan

causegradualcorrosionofpowercordterminalsand/ortheconnectorterminalsonapoweradapter,

whichcaneventuallyresultinoverheating.

Ensurethatallpowercordconnectorsaresecurelyandcompletelypluggedintoreceptacles.

Donotuseanypoweradapterthatshowscorrosionattheacinputpinsorshowssignsofoverheating(such

asdeformedplastic)attheacinputoranywhereonthepoweradapter.

Donotuseanypowercordswheretheelectricalcontactsoneitherendshowsignsofcorrosionor

overheatingorwherethepowercordappearstohavebeendamagedinanyway.

Extensioncordsandrelateddevices

Ensurethatextensioncords,surgeprotectors,uninterruptiblepowersupplies,andpowerstripsthatyouuse

areratedtohandletheelectricalrequirementsoftheproduct.Neveroverloadthesedevices.Ifpowerstrips

viThinkCentreM79UserGuide

areused,theloadshouldnotexceedthepowerstripinputrating.Consultanelectricianformoreinformation

ifyouhavequestionsaboutpowerloads,powerrequirements,andinputratings.

Plugsandoutlets

Ifareceptacle(poweroutlet)thatyouintendtousewithyourcomputerequipmentappearstobedamaged

orcorroded,donotusetheoutletuntilitisreplacedbyaqualiﬁedelectrician.

Donotbendormodifytheplug.Iftheplugisdamaged,contactthemanufacturertoobtainareplacement.

Donotshareanelectricaloutletwithotherhomeorcommercialappliancesthatdrawlargeamountsof

electricity;otherwise,unstablevoltagemightdamageyourcomputer,data,orattacheddevices.

Someproductsareequippedwithathree-prongedplug.Thisplugﬁtsonlyintoagroundedelectricaloutlet.

Thisisasafetyfeature.Donotdefeatthissafetyfeaturebytryingtoinsertitintoanon-groundedoutlet.If

youcannotinserttheplugintotheoutlet,contactanelectricianforanapprovedoutletadapterortoreplace

theoutletwithonethatenablesthissafetyfeature.Neveroverloadanelectricaloutlet.Theoverallsystem

loadshouldnotexceed80percentofthebranchcircuitrating.Consultanelectricianformoreinformation

ifyouhavequestionsaboutpowerloadsandbranchcircuitratings.

Besurethatthepoweroutletyouareusingisproperlywired,easilyaccessible,andlocatedclosetothe

equipment.Donotfullyextendpowercordsinawaythatwillstressthecords.

Besurethatthepoweroutletprovidesthecorrectvoltageandcurrentfortheproductyouareinstalling.

Carefullyconnectanddisconnecttheequipmentfromtheelectricaloutlet.

Externaldevices

DonotconnectordisconnectanyexternaldevicecablesotherthanUniversalSerialBus(USB)cableswhile

thecomputerpowerison;otherwise,youmightdamageyourcomputer.Toavoidpossibledamageto

attacheddevices,waitatleastﬁvesecondsafterthecomputerisshutdowntodisconnectexternaldevices.

Heatandproductventilation

Computers,poweradapters,andmanyaccessoriescangenerateheatwhenturnedonandwhenbatteries

arecharging.Alwaysfollowthesebasicprecautions:

•Donotleaveyourcomputer,poweradapter,oraccessoriesincontactwithyourlaporanypartofyour

bodyforanextendedperiodwhentheproductsarefunctioningorwhenthebatteryischarging.Your

computer,poweradapter,andmanyaccessoriesproducesomeheatduringnormaloperation.Extended

contactwiththebodycouldcausediscomfortor,potentially,askinburn.

•Donotchargethebatteryoroperateyourcomputer,poweradapter,oraccessoriesnearﬂammable

materialsorinexplosiveenvironments.

•Ventilationslots,fans,andheatsinksareprovidedwiththeproductforsafety,comfort,andreliable

operation.Thesefeaturesmightinadvertentlybecomeblockedbyplacingtheproductonabed,sofa,

carpet,orotherﬂexiblesurface.Neverblock,cover,ordisablethesefeatures.

Inspectyourdesktopcomputerfordustaccumulationatleastonceeverythreemonths.Beforeinspecting

yourcomputer,turnoffthepowerandunplugthecomputer'spowercordfromtheelectricaloutlet;then

removeanydustfromventsandperforationsinthebezel.Ifyounoticeexternaldustaccumulation,then

examineandremovedustfromtheinsideofthecomputerincludingheatsinkinletﬁns,powersupplyvents,

andfans.Alwaysturnoffandunplugthecomputerbeforeopeningthecover.Ifpossible,avoidoperating

©CopyrightLenovo2014

vii

yourcomputerwithintwofeetofhigh-trafﬁcareas.Ifyoumustoperateyourcomputerinornearahigh-trafﬁc

area,inspectand,ifnecessary,cleanyourcomputermorefrequently.

Foryoursafetyandtomaintainoptimumcomputerperformance,alwaysfollowthesebasicprecautions

withyourdesktopcomputer:

•Keepthecoverclosedwheneverthecomputerispluggedin.

•Regularlyinspecttheoutsideofthecomputerfordustaccumulation.

•Removedustfromventsandanyperforationsinthebezel.Morefrequentcleaningsmightberequiredfor

computersindustyorhigh-trafﬁcareas.

•Donotrestrictorblockanyventilationopenings.

•Donotstoreoroperateyourcomputerinsidefurniture,asthismightincreasetheriskofoverheating.

•Airﬂowtemperaturesintothecomputershouldnotexceed35°C(95°F).

•Donotinstallairﬁltrationdevices.Theymayinterferewithpropercooling.

Operatingenvironment

Theoptimalenvironmentinwhichtouseyourcomputeris10°C–35°C(50°F–95°F)withhumidityranging

between35%and80%.Ifyourcomputerisstoredortransportedintemperatureslessthan10°C(50°F),

allowthecoldcomputertoriseslowlytoanoptimaloperatingtemperatureof10°C–35°C(50°F–95°F)before

use.Thisprocesscouldtaketwohoursinextremeconditions.Failuretoallowyourcomputertorisetoan

optimaloperatingtemperaturebeforeusecouldresultinirreparabledamagetoyourcomputer.

Ifpossible,placeyourcomputerinawell-ventilatedanddryareawithoutdirectexposuretosunshine.

Keepelectricalappliancessuchasanelectricfan,radio,high-poweredspeakers,airconditioner,and

microwaveovenawayfromyourcomputerbecausethestrongmagneticﬁeldsgeneratedbythese

appliancescandamagethemonitoranddataontheharddiskdrive.

Donotplaceanybeveragesontopoforbesidethecomputerorotherattacheddevices.Ifliquidisspilledon

orinthecomputeroranattacheddevice,ashortcircuitorotherdamagemightoccur.

Donoteatorsmokeoveryourkeyboard.Particlesthatfallintoyourkeyboardcancausedamage.

Lasercompliancestatement

CAUTION:

Whenlaserproducts(suchasCD-ROMs,DVDdrives,ﬁberopticdevices,ortransmitters)are

installed,notethefollowing:

•Donotremovethecovers.Removingthecoversofthelaserproductcouldresultinexposureto

hazardouslaserradiation.Therearenoserviceablepartsinsidethedevice.

•Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespeciﬁedherein

mightresultinhazardousradiationexposure.

viiiThinkCentreM79UserGuide

DANGER

SomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing:

Laserradiationwhenopen.Donotstareintothebeam,donotviewdirectlywithoptical

instruments,andavoiddirectexposuretothebeam.

Powersupplystatement

Neverremovethecoveronapowersupplyoranypartthathasthefollowinglabelattached.

Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislabelattached.

Therearenoserviceablepartsinsidethesecomponents.Ifyoususpectaproblemwithoneoftheseparts,

contactaservicetechnician.

Cleaningandmaintenance

Keepyourcomputerandworkspaceclean.Shutdownthecomputerandthendisconnectthepower

cordbeforecleaningthecomputer.Donotsprayanyliquiddetergentdirectlyonthecomputeroruse

anydetergentcontainingﬂammablematerialtocleanthecomputer.Spraythedetergentonasoftcloth

andthenwipethecomputersurfaces.

©CopyrightLenovo2014

ix

xThinkCentreM79UserGuide

Chapter1.Productoverview

Thischapterprovidesthefollowinginformation:

•Locationsofconnectors

•Locationsofcomponents

•Locationsofpartsonthesystemboard

•Locationsofinternaldrives

•Computerfeatures

•SoftwareprogramsprovidedbyLenovo

Locations

Thissectionprovidesthefollowingtopics:

•“Locatingconnectors,controls,andindicatorsonthefrontofyourcomputer”onpage2

•“Locatingconnectorsontherearofyourcomputer”onpage3

•“Locatingcomponents”onpage5

•“Locatingpartsonthesystemboard”onpage6

•“Locatinginternaldrives”onpage7

•“Locatingthemachinetypeandmodellabel”onpage8

Note:Thecomponentsinyourcomputermightlookslightlydifferentfromtheillustrations.

©CopyrightLenovo2014

1

Locatingconnectors,controls,andindicatorsonthefrontofyour

computer

Thefollowingillustrationshowsthelocationsoftheconnectors,controls,andindicatorsonthefrontofyour

computer.

1

2

Figure1.Frontconnector,control,andindicatorlocations

1Opticaldriveeject/closebutton

2Powerbutton

3Powerindicator4Harddiskdriveactivityindicator

5USB2.0connector(USBconnector2)

6Microphoneconnector

7Headphoneconnector

8USB2.0connector(USBconnector1)

2ThinkCentreM79UserGuide

Locatingconnectorsontherearofyourcomputer

Thefollowingillustrationshowsthelocationsoftheconnectorsontherearofyourcomputer.Some

connectorsontherearofyourcomputerarecolor-codedtohelpyoudeterminewheretoconnectthe

cablesonyourcomputer.

3

4

5

6

Figure2.Rearconnectorlocations

1Powercordconnector

2PS/2mouseconnector(availableonsomemodels)

3PS/2keyboardconnector(availableonsome

models)

4DisplayPort

®

connector

5VGAconnector6USB3.0connectors(2)

7USB2.0connectors(2)

8Microphoneconnector

9Audioline-outconnector10Audioline-inconnector

11PCI/PCIExpresscardarea(differentcards

providedifferentconnectors)

12Ethernetconnector

13Security-lockslot14Serialconnector

15Padlockloop

Note:Adiscretegraphicscard,anetworkinterfacecard,oranaudiocardcanbeinstalledintheappropriate

PCIorPCIExpresscardslot.Ifsuchacardisinstalled,ensurethatyouusetheconnectorsonthecard

insteadofthecorrespondingconnectorsonthecomputer.

Chapter1.Productoverview3

ConnectorDescription

Audioline-inconnector

Usedtoreceiveaudiosignalsfromanexternalaudiodevice,suchasastereo

system.Whenyouattachanexternalaudiodevice,acableisconnectedbetween

theaudioline-outconnectorofthedeviceandtheaudioline-inconnectorofthe

computer.

Audioline-outconnector

Usedtosendaudiosignalsfromthecomputertoexternaldevices,suchaspowered

stereospeakers(speakerswithbuilt-inampliﬁers),headphones,ormultimedia

keyboards.Toattachastereosystemorotherexternalrecordingdevice,acableis

connectedbetweentheaudioline-inconnectorofthedeviceandtheaudioline-out

connectorofthecomputer.

DisplayPortconnector

Usedtoattachahigh-performancemonitor,adirect-drivemonitor,orotherdevices

thatuseaDisplayPortconnector.

Ethernetconnector

UsedtoattachanEthernetcableforalocalareanetwork(LAN).

Note:TooperatethecomputerwithinFCCClassBlimits,useaCategory5Ethernet

cable.

Microphoneconnector

Usedtoattachamicrophonetoyourcomputerwhenyouwanttorecordsoundorif

youusespeech-recognitionsoftware.

PS/2keyboardconnector

(availableonsomemodels)

UsedtoattachakeyboardthatusesaPersonalSystem/2(PS/2)keyboard

connector.

PS/2mouseconnector

(availableonsomemodels)

Usedtoattachamouse,atrackball,orotherpointingdevicesthatuseaPS/2

mouseconnector.

Serialconnector

Usedtoattachanexternalmodem,aserialprinter,orotherdevicesthatusea

9-pinserialconnector.

USB2.0connectorUsedtoattachadevicethatrequiresaUSB2.0connection,suchasakeyboard,a

mouse,ascanner,aprinter,orapersonaldigitalassistant(PDA).

USB3.0connectorUsedtoattachadevicethatrequiresaUSB2.0or3.0connection,suchasa

keyboard,amouse,ascanner,aprinter,orapersonaldigitalassistant(PDA).A

USB3.0connectorprovideshightransmissionspeedstoreducethetimethatis

requiredfordatatransmission.

VGAconnectorUsedtoattachaVGAmonitororotherdevicesthatuseaVideoGraphicsArray

(VGA)connector.

4ThinkCentreM79UserGuide

Locatingcomponents

Thefollowingillustrationshowsthelocationsofthevariouscomponentsinyourcomputer.Toremovethe

computercover,see“Removingthecomputercover”onpage71.

Figure3.Componentlocations

1Heatsinkandfanassembly

2Powersupplyassembly

3Memorymodules

4Opticaldrive

5FrontaudioandUSBassembly

6Frontbezel

7Slimcardreader8Frontfan(systemfan)assembly

9Harddiskdrive(orsolid-statedrive)10PCIExpresscard

11Heatsinkfanduct

Chapter1.Productoverview5

Locatingpartsonthesystemboard

Thefollowingillustrationshowsthelocationsofthepartsonthesystemboard.

Figure4.Systemboardpartlocations

14-pinpowerconnector

2Microprocessorfanconnector

3Memoryslot14Memoryslot2

5Memoryslot36Memoryslot4

7Thermalsensorconnector

8Harddiskdrivefanconnector

94-pinpowerconnectors(2)

1014-pinpowerconnector

11Powerfanconnector

12Parallelconnector

13SATA3.0connectors(2)14SATA3.0connector

15Frontpanelconnector(forconnectingLED

indicatorsandpowerbutton)

16FrontUSB2.0connector1(forconnectingUSBconnectors

1and2onthefrontbezel)

17FrontUSB2.0connector2(forconnectingan

additionalUSBdevice)

18ClearCMOS(ComplementaryMetalOxideSemiconductor)

/Recoveryjumper

19Serialconnector

20Battery

21Frontaudioconnector

22PCIcardslot

23PCIExpressx1cardslots(2)24PCIExpressx16graphicscardslot

25Systemfanconnector

26DisplayPortconnector

27Microprocessor

6ThinkCentreM79UserGuide

Locatinginternaldrives

Internaldrivesaredevicesthatyourcomputerusestoreadandstoredata.Youcanadddrivestoyour

computertoincreasestoragecapacityandenableyourcomputertoreadothertypesofmedia.Internal

drivesareinstalledinbays.

Whenyouinstallorreplaceaninternaldrive,notethetypeandsizeofthedrivethateachbaysupportsand

correctlyconnecttherequiredcables.Refertotheappropriatesectionin“Installingorreplacinghardware”

onpage71

forinstructionsonhowtoinstallorreplaceinternaldrivesforyourcomputer.

Thefollowingillustrationshowsthelocationsofthedrivebays.

Figure5.Drivebaylocations

1Secondarysolid-statedrivebay(witha2.5-inchsolid-statedriveorahybridharddiskdriveinstalledonsome

models)

2Opticaldrivebay(withanopticaldriveinstalledonsomemodels)

3Slimcardreaderdrivebay(withaslimcardreaderinstalledonsomemodels)

4Harddiskdrivebay(witha3.5-inchharddiskdriveora2.5-inchsolid-statedriveinstalled)

Chapter1.Productoverview7

Locatingthemachinetypeandmodellabel

Themachinetypeandmodellabelidentiﬁesyourcomputer.WhenyoucontactLenovoforhelp,themachine

typeandmodelinformationhelpssupporttechnicianstoidentifyyourcomputerandprovidefasterservice.

Themachinetypeandmodellabelisattachedonthesideofyourcomputerasshown.

Figure6.Machinetypeandmodellabel

Features

Thissectionintroducesthecomputerfeatures.Theinformationcoversavarietyofmodels.

Microprocessor

Toviewthemicroprocessorinformationofyourcomputer,dothefollowing:

•OntheMicrosoft

®

Windows

®

7operationsystem,clickStart,right-clickComputer,andselectProperties

toviewtheinformation.

•OntheMicrosoftWindows8.1operatingsystem,gotothedesktopandmoveyourpointertothe

top-rightorbottom-rightcornerofthescreentodisplaythecharms.ThenclickSettings➙PCinfoto

viewtheinformation.

Memory

Yourcomputersupportsuptofourdoubledatarate3unbuffereddualinlinememorymodules(DDR3

UDIMMs).

Todeterminetheamountofmemoryinstalledonyourcomputer,dothefollowing:

•OntheMicrosoftWindows7operationsystem,clickStart,right-clickComputer,andselectProperties

toviewtheinformation.

8ThinkCentreM79UserGuide

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