
ThinkCentreM600
UserGuide
MachineTypes:10GJand10GK

Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadandunderstandthe“Read
thisfirst:Importantsafetyinformation”onpageiii
andAppendixE“Notices”onpage83.
FifthEdition(June2017)
©CopyrightLenovo2016,2017.
LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuanttoaGeneralServices
Administration“GSA”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.
GS-35F-05925.

Contents
Readthisfirst:Importantsafety
information..............iii
Beforeusingthismanual............iii
Serviceandupgrades.............iii
Staticelectricityprevention...........iv
Powercordsandpoweradapters........iv
Japanesepowercordandpoweradapter
description...............v
Extensioncordsandrelateddevices.......v
Plugsandoutlets...............v
Externaldevices...............v
Heatandproductventilation..........v
Operatingenvironment............vi
Lasercompliancestatement..........vi
Powersupplystatement...........vii
Cleaningandmaintenance..........vii
Chapter1.Productoverview......1
Hardwarelocations..............1
Frontview................1
Rearview................3
Computercomponents..........5
Partsonthesystemboard.........6
Machinetypeandmodellabel........7
Features..................7
Specifications...............10
Programs.................10
Accessingaprogramonthecomputer...10
Installingaprogramthatisreadytobe
installed...............11
AnintroductiontoLenovoprograms....11
Chapter2.Usingyourcomputer...13
Registeringthecomputer..........13
Settingthecomputervolume.........13
AddinganicontotheWindowsnotificationarea.13
Connectingtoanetwork...........13
ConnectingtoanEthernetLAN......14
ConnectingtoawirelessLAN.......14
ConnectingtoaBluetooth-enableddevice..14
Chapter3.Y ouandyourcomputer..15
Arrangingyourworkspace..........15
Glareandlighting............15
Aircirculation.............15
Electricaloutletlocationsandcablelengths.15
Comfort...............15
Accessibilityinformation...........16
Cleaningthecomputer...........19
Maintenance...............19
Basicmaintenancetips.........19
Goodmaintenancepractices.......19
Keepingthecomputercurrent.......20
Movingthecomputer............21
Chapter4.Security..........23
Lockingthecomputer............23
AttachingaKensington-stylecablelock...24
Viewingandchangingsecuritysettingsinthe
SetupUtilityprogram............24
Preventingunauthorizedaccesstothecomputer.24
Usingfingerprintauthentication........25
Usingthecoverpresenceswitch.......25
Usingandunderstandingfirewalls.......25
Protectingdataagainstviruses........26
ComputraceAgentsoftwareembeddedin
firmware.................26
TrustedPlatformModule(TPM)........26
Chapter5.Advancedconfiguration..27
UsingtheSetupUtilityprogram........27
StartingtheSetupUtilityprogram.....27
Enablingordisablingadevice.......27
EnablingordisablingtheAutomaticPowerOn
features...............27
EnablingordisablingtheErPLPScompliance
mode................28
EnablingordisablingtheConfiguration
ChangeDetectionfeature........28
UsingBIOSpasswords.........29
Selectingastartupdevice........30
ExitingtheSetupUtilityprogram......31
UpdatingtheBIOS.............31
Chapter6.T roubleshooting,
diagnostics,andrecovery......33
Basicprocedureforresolvingcomputer
problems.................33
Troubleshooting..............33
Startupproblems............33
Audioproblems............34
CDproblems.............35
DVDproblems.............35
Intermittentproblems..........36
Storagedriveproblems.........36
©CopyrightLenovo2016,2017
i

Networkingproblems..........37
Performanceproblems..........39
Serialconnectorcannotbeaccessed....40
USBdeviceproblems..........40
Softwareanddriverproblems.......41
Diagnostics................41
LenovoSolutionCenter.........41
Recoveryinformation............41
RecoveryinformationforWindows7....42
RecoveryinformationforWindows10....43
Chapter7.Installingorreplacing
hardware...............45
Handlingstatic-sensitivedevices.......45
Installingorreplacinghardware........45
Installingexternaloptions........45
Replacingthepoweradapter.......46
Replacingtheverticalstand........47
ReplacingtheVESAmountbracket.....49
Replacingthepoweradapterbracket....51
Removingthecomputercover.......53
Replacingtheheatsink.........55
ReplacingtheI/Obracket........57
Replacingthememorymodule......61
Replacingtheinternalspeaker.......62
Completingthepartsreplacement.....64
Chapter8.Gettinginformation,help,
andservice..............67
Informationresources............67
Accessingtheuserguideinvarious
languages...............67
Windowshelpsystem..........67
Safetyandwarranty...........67
LenovoWebsite............67
LenovoSupportWebsite.........68
Frequentlyaskedquestions........68
Helpandservice..............68
Callingforservice............68
Usingotherservices..........69
Purchasingadditionalservices......69
AppendixA.Regulatory
information..............71
Exportclassificationnotice..........71
Electronicemissionsnotices.........71
FederalCommunicationsCommission
DeclarationofConformity........71
Eurasiancompliancemark..........73
Brazilaudionotice.............73
Mexicowireless-radiocomplianceinformation..73
Additionalregulatoryinformation.......73
AppendixB.WEEEandrecycling
information..............75
ImportantWEEEinformation.........75
RecyclinginformationforJapan........75
RecyclinginformationforBrazil........76
BatteryrecyclinginformationforTaiwan.....76
BatteryrecyclinginformationfortheEuropean
Union..................77
AppendixC.RestrictionofHazardous
Substances(RoHS)Directive.....79
EuropeanUnionRoHS...........79
TurkishRoHS...............79
UkraineRoHS...............79
IndiaRoHS................79
ChinaRoHS................80
TaiwanRoHS...............80
AppendixD.ENERGYSTARmodel
information..............81
AppendixE.Notices..........83
Trademarks................84
iiThinkCentreM600UserGuide

Readthisfirst:Importantsafetyinformation
CAUTION:
Beforeusingthecomputer,besuretoreadandunderstandalltherelatedsafetyinformationforthis
product.RefertothesafetyinformationinthissectionandintheSafetyandWarrantyGuidethatyou
receivedwiththisproduct.Readingandunderstandingallthesafetyinformationreducestheriskof
personalinjuryanddamagetoyourproduct.IfyounolongerhaveacopyoftheSafetyandWarranty
Guide,youcanobtainaPortableDocumentFormat(PDF)versionfromtheLenovo
siteathttp://www.lenovo.com/UserManuals.
Beforeusingthismanual
CAUTION:
Beforeusingthismanual,besuretoreadandunderstandalltherelatedsafetyinformationforthis
product.RefertotheinformationinthissectionandthesafetyinformationintheSafetyandWarranty
Guidethatyoureceivedwiththisproduct.Readingandunderstandingthissafetyinformationreduces
theriskofpersonalinjuryanddamagetoyourproduct.
®
SupportWeb
IfyounolongerhaveacopyoftheSafetyandWarrantyGuide,youcanobtainaPortableDocumentFormat
(PDF)versionfromtheLenovo
®
SupportWebsiteathttp://www.lenovo.com/UserManuals.
Serviceandupgrades
DonotattempttoserviceaproductyourselfunlessinstructedtodosobytheCustomerSupportCenteror
yourdocumentation.OnlyuseaServiceProviderwhoisapprovedtorepairyourparticularproduct.
Note:Somecomputerpartscanbeupgradedorreplacedbythecustomer.Upgradestypicallyare
referredtoasoptions.ReplacementpartsapprovedforcustomerinstallationarereferredtoasCustomer
ReplaceableUnits,orCRUs.Lenovoprovidesdocumentationwithinstructionswhenitisappropriatefor
customerstoinstalloptionsorreplaceCRUs.Youmustcloselyfollowallinstructionswheninstallingor
replacingparts.TheOffstateofapowerindicatordoesnotnecessarilymeanthatvoltagelevelsinsidea
productarezero.Beforeyouremovethecoversfromaproductequippedwithapowercord,alwaysensure
thatthepoweristurnedoffandthattheproductisunpluggedfromanypowersource.Ifyouhaveany
questionsorconcerns,contacttheCustomerSupportCenter.
Althoughtherearenomovingpartsinthecomputerafterthepowercordhasbeendisconnected,the
followingwarningsarerequiredforyoursafety.
CAUTION:
Hazardousmovingparts.Keepfingersandotherbodypartsaway.
CAUTION:
©CopyrightLenovo2016,2017
iii

Beforeyouopenthecomputercover,turnoffthecomputerandwaitseveralminutesuntilthe
computeriscool.
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.Donotusetheac
powercordforotherdevices.
Thepowercordsshallbesafetyapproved.ForGermany,itshallbeH03VV-F,3G,0.75mm
connectedtothepoweradapter),H05VV-F,3G,0.75mm
supplyassembly),orbetter.Forothercountries,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.
2
(thepowercordconnectedtotheinternalpower
2
(thepowercord
Donotuseanypowercordswheretheelectricalcontactsoneitherendshowsignsofcorrosionor
overheatingorwherethepowercordappearstohavebeendamagedinanyway.
ivThinkCentreM600UserGuide

Japanesepowercordandpoweradapterdescription
Extensioncordsandrelateddevices
Ensurethatextensioncords,surgeprotectors,uninterruptiblepowersupplies,andpowerstripsthatyouuse
areratedtohandletheelectricalrequirementsoftheproduct.Neveroverloadthesedevices.Ifpowerstrips
areused,theloadshouldnotexceedthepowerstripinputrating.Consultanelectricianformoreinformation
ifyouhavequestionsaboutpowerloads,powerrequirements,andinputratings.
Plugsandoutlets
Ifareceptacle(poweroutlet)thatyouintendtousewiththecomputerequipmentappearstobedamagedor
corroded,donotusetheoutletuntilitisreplacedbyaqualifiedelectrician.
Donotbendormodifytheplug.Iftheplugisdamaged,contactthemanufacturertoobtainareplacement.
Donotshareanelectricaloutletwithotherhomeorcommercialappliancesthatdrawlargeamountsof
electricity;otherwise,unstablevoltagemightdamagethecomputer,data,orconnecteddevices.
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,youmightdamagethecomputer.Toavoidpossibledamageto
connecteddevices,waitatleastfivesecondsafterthecomputerisshutdowntodisconnectexternaldevices.
Heatandproductventilation
Computers,poweradapters,andmanyaccessoriescangenerateheatwhenturnedonandwhenbatteries
arecharging.Alwaysfollowthesebasicprecautions:
•Donotleavethecomputer,poweradapter,oraccessoriesincontactwithyourlaporanypartofyour
bodyforanextendedperiodwhentheproductsarefunctioningorwhenthebatteryischarging.The
computer,poweradapter,andmanyaccessoriesproducesomeheatduringnormaloperation.Extended
contactwiththebodycouldcausediscomfortor,potentially,askinburn.
©CopyrightLenovo2016,2017
v

•Donotchargethebatteryoroperatethecomputer,poweradapter,oraccessoriesnearflammable
materialsorinexplosiveenvironments.
•Ventilationslots,fans,andheatsinksareprovidedwiththeproductforsafety,comfort,andreliable
operation.Thesefeaturesmightinadvertentlybecomeblockedbyplacingtheproductonabed,sofa,
carpet,orotherflexiblesurface.Neverblock,cover,ordisablethesefeatures.
Inspectyourdesktopcomputerfordustaccumulationatleastonceeverythreemonths.Beforeinspecting
thecomputer,turnoffthepowerandunplugthecomputer'spowercordfromtheelectricaloutlet;then
removeanydustfromventsandperforationsinthebezel.Ifyounoticeexternaldustaccumulation,then
examineandremovedustfromtheinsideofthecomputerincludingheatsinkinletfins,powersupplyvents,
andfans.Alwaysturnoffandunplugthecomputerbeforeopeningthecover.Ifpossible,avoidoperatingthe
computerwithintwofeetofhigh-trafficareas.Ifyoumustoperatethecomputerinornearahigh-traffic
area,inspectand,ifnecessary,cleanthecomputermorefrequently.
Foryoursafetyandtomaintainoptimumcomputerperformance,alwaysfollowthesebasicprecautions
withyourdesktopcomputer:
•Keepthecoverclosedwheneverthecomputerispluggedin.
•Regularlyinspecttheoutsideofthecomputerfordustaccumulation.
•Removedustfromventsandanyperforationsinthebezel.Morefrequentcleaningsmightberequiredfor
computersindustyorhigh-trafficareas.
•Donotrestrictorblockanyventilationopenings.
•Donotstoreoroperatethecomputerinsidefurniture,asthismightincreasetheriskofoverheating.
•Airflowtemperaturesintothecomputershouldnotexceed35°C(95°F).
•Donotinstallairfiltrationdevices.Theymayinterferewithpropercooling.
Operatingenvironment
Theoptimalenvironmentinwhichtousethecomputeris10°C–35°C(50°F–95°F)withhumidityranging
between35%and80%.Ifthecomputerisstoredortransportedintemperatureslessthan10°C(50°F),allow
thecoldcomputertoriseslowlytoanoptimaloperatingtemperatureof10°C–35°C(50°F–95°F)beforeuse.
Thisprocesscouldtaketwohoursinextremeconditions.Failuretoallowthecomputertorisetoanoptimal
operatingtemperaturebeforeusecouldresultinirreparabledamagetothecomputer.
Ifpossible,placethecomputerinawell-ventilatedanddryareawithoutdirectexposuretosunshine.
Keepelectricalappliancessuchasanelectricfan,radio,high-poweredspeakers,airconditioner,and
microwaveovenawayfromthecomputerbecausethestrongmagneticfieldsgeneratedbytheseappliances
candamagethemonitoranddataonthestoragedrive.
Donotplaceanybeveragesontopoforbesidethecomputerorotherconnecteddevices.Ifliquidisspilled
onorinthecomputeroraconnecteddevice,ashortcircuitorotherdamagemightoccur.
Donoteatorsmokeoveryourkeyboard.Particlesthatfallintoyourkeyboardcancausedamage.
Lasercompliancestatement
CAUTION:
Whenlaserproducts(suchasCD-ROMs,DVDdrives,fiberopticdevices,ortransmitters)are
installed,notethefollowing:
viThinkCentreM600UserGuide

•Donotremovethecovers.Removingthecoversofthelaserproductcouldresultinexposureto
hazardouslaserradiation.Therearenoserviceablepartsinsidethedevice.
•Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespecifiedherein
mightresultinhazardousradiationexposure.
DANGER
SomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing:
Laserradiationwhenopen.Donotstareintothebeam,donotviewdirectlywithoptical
instruments,andavoiddirectexposuretothebeam.
Powersupplystatement
Neverremovethecoveronapowersupplyoranypartthathasthefollowinglabelattached.
Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislabelattached.
Therearenoserviceablepartsinsidethesecomponents.Ifyoususpectaproblemwithoneoftheseparts,
contactaservicetechnician.
Cleaningandmaintenance
Keepthecomputerandworkspaceclean.Shutdownthecomputerandthendisconnectthepower
cordbeforecleaningthecomputer.Donotsprayanyliquiddetergentdirectlyonthecomputeroruse
anydetergentcontainingflammablematerialtocleanthecomputer.Spraythedetergentonasoftcloth
andthenwipethecomputersurfaces.
©CopyrightLenovo2016,2017
vii

viiiThinkCentreM600UserGuide

Chapter1.Productoverview
Thischapterprovidesinformationaboutthefollowingtopics:
•“Hardwarelocations”onpage1
•“Features”onpage7
•“Specifications”onpage10
•“Programs”onpage10
Hardwarelocations
Thissectionprovidesinformationaboutthelocationsofthecomputerhardware.
Note:Thecomputerhardwaremightlookslightlydifferentfromtheillustrations.
Frontview
Figure1.Frontview
1Powerbutton
3USB3.0connector
5Headsetconnector
©CopyrightLenovo2016,2017
2Storagedriveactivityindicator
4Microphoneconnector
6AlwaysOnUSB3.0connector
1

•AlwaysOnUSB3.0connector
UsedtoconnectadevicethatrequiresaUSB2.0orUSB3.0connection,suchasakeyboard,amouse,
ascanner,aprinter,orapersonaldigitalassistant(PDA).Withthepoweradapterconnected,youcan
chargetheautomaticallydetecteddeviceevenwhenthecomputerisinhibernationmodeorturnedoff.If
theAlwaysOnUSBconnectorfunctionisnotenabled,openthePowerManagerprogramandenablethe
function.ToopenthePowerManagerprogram,see“Accessingaprogramonthecomputer”onpage10
ToenabletheAlwaysOnUSBconnector,refertothehelpsystemofthePowerManagerprogram.
•Headsetconnector
Usedtoconnectaheadsetorheadphonestoyourcomputer.
•Microphoneconnector
Usedtoconnectamicrophonetoyourcomputer.Y oucanusethemicrophonetorecordsoundsoruse
speech-recognitionsoftware.
•Powerbutton
Usedtoturnonyourcomputer.Y oualsocanusethepowerbuttontoturnoffyourcomputeronlywhen
youcannotuseanyMicrosoft
®
Windows
®
shutdownproceduretoturnoffyourcomputer.
•Storagedriveactivityindicator
Whenthestoragedriveactivityindicatorison,thestoragedriveisinuse.
•USB3.0connector
UsedtoconnectadevicethatrequiresaUSB2.0orUSB3.0connection,suchasakeyboard,amouse,a
scanner,aprinter,oraPDA.
.
2ThinkCentreM600UserGuide

Rearview
Figure2.Rearview
1Wi-Fiantennaslot
3Ethernetconnector
5Headphoneconnector
7USB2.0connector
9USB3.0connector
11Poweradapterconnector12Parallelconnector
13Serialconnectors(4)14PS/2keyboardconnector
15PS/2mouseconnector16Security-lockslot
2USB3.0connector
4USB2.0connector
6Optionalconnector(somemodels)
8DisplayPort
10DisplayPort-outconnector
®
-outconnector
Note:TheUSB2.0connector7supportsthesmartpoweronfeaturethatenablesyoutoturnonthe
computerorwakeitupfromS4hibernationmodebypressingAlt+Ponthekeyboard.Youcanenableor
disablethesmartpoweronfeaturefromtheSetupUtilityprogram.Fordetailedinformation,see“Enablingor
disablingadevice”onpage27.
•DisplayPort-outconnector
Usedtosendaudioandvideosignalsfromyourcomputertoanotheraudioorvideodevice,suchas
ahigh-performancemonitor.
Chapter1.Productoverview3

•Ethernetconnector
UsedtoconnectanEthernetcableforaLAN.
Note:TooperatethecomputerwithinFederalCommunicationsCommission(FCC)ClassBlimits,usea
Category5eorbetterEthernetcable.
•Headphoneconnector
Usedtoconnectheadphonestoyourcomputer.
•Optionalconnector
Optionalconnector,dependingonyourcomputermodel.
•Parallelconnector
Usedtoconnectanexternalmodem,aparallelprinter,orotherdevicesthatuseaparallelconnector.
•Poweradapterconnector
Usedtoconnectthepoweradaptertoyourcomputerforpowersupply.
•PS/2keyboardconnector
UsedtoconnectakeyboardthatusesaPersonalSystem/2(PS/2)keyboardconnector.
•PS/2mouseconnector
Usedtoconnectamouse,atrackball,orotherpointingdevicesthatuseaPS/2mouseconnector.
•Security-lockslot
UsedtosecureaKensington-stylecablelock.Formoreinformation,see“AttachingaKensington-style
cablelock”onpage24
.
•Serialconnector
Usedtoconnectanexternalmodem,aserialprinter,orotherdevicesthatuseaserialconnector.
•USB2.0connector
UsedtoconnectadevicethatrequiresaUSB2.0connection,suchasakeyboard,amouse,ascanner,a
printer,orapersonaldigitalassistant(PDA).
•USB3.0connector
UsedtoconnectadevicethatrequiresaUSB2.0orUSB3.0connection,suchasakeyboard,amouse,a
scanner,aprinter,oraPDA.
•Wi-Fiantennaslot
UsedtoinstalltherearWi-Fiantennacableconnectorthatisavailableonlyonsomemodels.Therear
Wi-FiantennaisinstalledontherearWi-Fiantennacableconnector.
4ThinkCentreM600UserGuide

Computercomponents
Note:Dependingonyourcomputermodel,someofthefollowingcomponentsmightnotbeavailable.
Figure3.Computercomponents
1Poweradapterbracket2Poweradapter
3Powercord
5Verticalstand
7I/Oconnectorsmodule
9Memorymodule10Internalspeakerholder
11Internalspeaker12Antennabracket
13FrontWi-Fiantenna14Wi-Ficard
15Coin-cellbattery16Systemboard
17M.2storagedrive18RearWi-Fiantenna
19VESAmountbracket
4Computercover
6I/Obracket
8Heatsink
Chapter1.Productoverview5

Partsonthesystemboard
Notes:
•Forthepartsthataredisplayedonthefollowingfigurebutnotintroducedinthefollowingtable,see
“Frontview”onpage1
•Ensurethatyouinstallmemorymodulesfollowingtheinstallingsequence.Memoryslot1,memoryslot2,
memoryslot3,andmemoryslot4indicatetheinstallingsequence.
and“Rearview”onpage3.
Figure4.Partsonthesystemboard
1M.2Wi-Ficardslot
3M.2storagedriveslot
5Optionalserialconnector6Optionaldisplayconnector
7Coverpresenceswitchconnector(Intrusionswitch
connector)
9Internalspeakerconnector
2Coin-cellbattery
4OptionalUSB2.0connector
8Memoryslot
6ThinkCentreM600UserGuide

Machinetypeandmodellabel
MT-M XXXX-XXXXXX
S/N XXXXXXXX
Themachinetypeandmodellabelidentifiesyourcomputer.WhenyoucontactLenovoforhelp,themachine
typeandmodelinformationhelpssupporttechnicianstoidentifyyourcomputerandprovidefasterservice.
Themachinetypeandmodellabelisattachedonthesideofyourcomputerasshown.
Figure5.Machinetypeandmodellabel
Features
Thecomputerfeaturesintroducedinthissectionapplytovariousmodels.
Informationaboutyourcomputer
•Toviewbasicinformation(suchasmicroprocessorandmemoryinformation)aboutyourcomputer,
dothefollowing:
1.ClicktheStartbuttontoopentheStartmenu.
2.DependingonyourWindowsversion,dooneofthefollowing:
–ForWindows7:Right-clickComputer,andthenclickProperties.
–ForWindows10:ClickSettings➙System➙About.
Note:Thememoryshownintheoperatingsystemmightbeinconsistentwiththenominalmemoryofthe
memorymodule(s)thatareinstalledinyourcomputer.
Chapter1.Productoverview7

•Toviewdetailedinformationaboutthedevices(suchastheopticaldriveandnetworkadapters)onyour
computer,dothefollowing:
1.DependingonyourWindowsversion,dooneofthefollowing:
–ForWindows7:ClicktheStartbuttontoopentheStartmenu.Right-clickComputer,andthen
clickProperties.
–ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu.
2.ClickDeviceManager.Typetheadministratorpasswordorprovideconfirmationifprompted.
Preinstalledoperatingsystem
YourcomputerispreinstalledwithWindows7orWindows10operatingsystem.Additionaloperating
systemsmightbeidentifiedbyLenovoascompatiblewithyourcomputer.Todetermineifanoperating
systemhasbeencertifiedortestedforcompatibility,checktheWebsiteoftheoperatingsystemprovider.
Note:Dependingonyourcomputermodel,theinformationaboutWindowsoperatingsystemsmightnotbe
applicabletoyourcomputer.
Powersupply
Yourcomputercomeswitha65-wattpoweradapter.
Storagedrives
Yourcomputersupportsuptoonestoragedrive.
Toviewtheamountofstoragedrivespace,dothefollowing:
1.DependingonyourWindowsversion,dooneofthefollowing:
•ForWindows7:ClicktheStartbuttontoopentheStartmenu.Right-clickComputer,andthenclick
Manage.
•ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu.
2.ClickDiskManagement.
Videofeatures
Theintegratedgraphicscardsupportsthefollowingdisplayconnectorsonyourcomputer:
•DisplayPort-outconnectors
Audiofeatures
Theintegratedaudiocardsupportsthefollowingaudioconnectorsanddevicesonyourcomputer:
•Headphoneconnector
•Headsetconnector
•Internalspeaker(availableonsomemodels)
•Microphoneconnector
Input/Output(I/O)features
•Audioconnectors(headphoneconnector,headsetconnector,andmicrophoneconnector)
•DisplayPort-outconnectors
•Ethernetconnector
•PS/2keyboardconnector
•PS/2mouseconnector
8ThinkCentreM600UserGuide

•Serialconnectors
•USBconnectors
Expansion
•Memoryslot
•M.2storagedriveslot
Networkfeatures
•EthernetLAN
TheintegratednetworkinterfacecardsupportstheEthernetconnectoronyourcomputer.
•WirelessLAN(availableonsomemodels)
•Bluetooth(availableonsomemodels)
Securityfeatures
Formoreinformation,seeChapter4“Security”onpage23.
Systemmanagementfeatures
•Abilitytostorepower-onself-test(POST)hardwaretestresults
•DesktopManagementInterface(DMI)
DesktopManagementInterfaceprovidesacommonpathforuserstoaccessinformationaboutall
aspectsofacomputer.Theinformationincludesprocessortype,installationdate,connectedprintersand
otherperipherals,powersources,maintenancehistory,andsoon.
•ErPLPScompliancemode
Theenergy-relatedproductsdirective(ErP)lowestpowerstate(LPS)compliancemodereducesthe
consumptionofelectricitywhenyourcomputerisinsleeporoffmode.Formoreinformation,see
“EnablingordisablingtheErPLPScompliancemode”onpage28
•Intel
®
StandardManageability
.
IntelStandardManageabilityishardware-andfirmware-basedtechnologythatmakescomputerseasier
andlessexpensiveforbusinessestomonitor,maintain,update,upgrade,andrepair.
•PrebootExecutionEnvironment(PXE)
PrebootExecutionEnvironmentenablescomputerstostartthroughanetworkinterfaceindependentof
datastoragedrives(suchasharddiskdrives)orinstalledoperatingsystems.
•SystemManagement(SM)BasicInput/OutputSystem(BIOS)andSMsoftware
TheSMBIOSspecificationdefinesdatastructuresandaccessmethodsthatcanbeusedtoread
managementdatastoredintheBIOSofacomputer.
•WakeonLAN
WakeonLANisanEthernetcomputernetworkingstandardthatallowsacomputertobeturnedon
orwokenupbyanetworkmessage.Themessageusuallyissentbyaprogramrunningonanother
computeronthesameLAN.
•WakeonRing
WakeonRing,sometimesreferredtoasWakeonModem,isaspecificationthatallowssupported
computersanddevicestoresumefromsleeporhibernationmode.
•WindowsManagementInstrumentation(WMI)
WindowsManagementInstrumentationisasetofextensionstotheWindowsDriverModel.Itprovidesan
operatingsysteminterfacethroughwhichinstrumentedcomponentsprovideinformationandnotification.
Chapter1.Productoverview9

Specifications
Thissectionliststhephysicalspecificationsforyourcomputer.
Dimensions
Width:80mm(3.1inches)
Height:179mm(7.0inches)
Depth:183mm(7.2inches)
Weight(withoutthepackage)
Maximumconfigurationasshipped:1.9kg(4.2lb)
Environment
•Airtemperature:
Operating:From10°C(50°F)to35°C(95°F)
Storageinoriginalshippingpackage:From-40°C(-40°F)to60°C(140°F)
Storagewithoutpackage:From-10°C(14°F)to60°C(140°F)
•Humidity:
Operating:20%–80%(non-condensing)
Storage:20%–90%(non-condensing)
•Altitude:
Operating:From-15.2m(-50ft)to3048m(10000ft)
Storage:From-15.2m(-50ft)to10668m(35000ft)
Electricalinput
Inputvoltage:From100Vacto240Vac
Inputfrequency:50/60Hz
Programs
Thissectionprovidesinformationabouttheprogramsonthecomputer.
Accessingaprogramonthecomputer
Toaccessaprogramonthecomputer,dooneofthefollowing:
•FromWindowsSearch:
1.DependingonyourWindowsversion,dooneofthefollowing:
–ForWindows7:ClicktheStartbuttontoopentheStartmenu,andthentypetheprogramname
intothesearchbox.
–ForWindows10:TypetheprogramnameintothesearchboxnexttotheStartbutton.
2.Inthesearchresults,clickthenameofthedesiredprogramtolaunchtheprogram.
•FromtheStartmenuorControlPanel:
1.ClicktheStartbuttontoopentheStartmenu.
2.DependingonyourWindowsversion,dooneofthefollowing:
–ForWindows7:ClickAllProgramstodisplaytheprogramlist.Fromthelistorafolderinthelist,
clickthenameofthedesiredprogramtolaunchtheprogram.
10ThinkCentreM600UserGuide

–ForWindows10:Fromtheprogramlistorafolderinthelist,clickthenameofthedesiredprogram
tolaunchtheprogram.
3.IftheprogramnameisnotdisplayedontheStartmenu,dooneofthefollowing:
–ForWindows7:ClickControlPanelontheStartmenu.
–ForWindows10:ClicktheStartbuttontoopentheStartmenu,andthenclickWindowsSystem
➙ControlPanel.
4.ViewControlPanelusinglargeiconsorsmallicons,andthenclickthenameofthedesiredprogram
tolaunchtheprogram.
Installingaprogramthatisreadytobeinstalled
Note:ForWindows7,dependingonthecomputermodel,someoftheLenovoprogramsmightbereadyto
beinstalled,soyouneedtoinstallthemmanually.Then,youcanaccessandusetheseprograms.
Toinstallaprogramthatisreadytobeinstalled,dothefollowing:
1.OpentheLenovoThinkVantage
page10.
2.ViewtheprogramiconsusingTiles.
3.Followtheinstructionsundergreyed-outiconstolocatetheiconforthedesiredprogram.Then,
double-clicktheicontoinstalltheprogram.
®
Toolsprogram.See“Accessingaprogramonthecomputer”on
AnintroductiontoLenovoprograms
ThissectionprovidesinformationaboutthemajorLenovoprogramsavailableonyouroperatingsystem.
Note:Dependingonyourcomputermodel,someofthefollowingprogramsmightnotbeavailable.
•ForWindows7only:
–CreateRecoveryMedia
TheCreateRecoveryMediaprogramenablesyoutorestoreonlytheCdriveortheentirestorage
drivetothefactory-defaultsettings.
–FingerprintManagerProorThinkVantageFingerprintSoftware
TheFingerprintManagerProorThinkVantageFingerprintSoftwareprogramenablesyoutousea
fingerprintreader.Theintegratedfingerprintreaderprovidedonsomekeyboardsenablesyoutoenroll
yourfingerprintandassociateitwithyourpower-onpassword,harddiskpassword,andWindows
password.Asaresult,fingerprintauthenticationcanreplacepasswordsandenablesimpleandsecure
useraccess.
–LenovoBluetoothLock
TheLenovoBluetoothLockprogramenablesyoutouseaBluetoothdevice(suchasyoursmartphone)
asaproximity-basedunitforlockingorunlockingyourcomputerautomatically.Bydetectingthe
distancebetweenyourcomputerandthepredefinedBluetoothdevicethatyouarecarrying,theLenovo
BluetoothLockprogramautomaticallylocksyourcomputerwhenyouwalkawayandunlocksyour
computerwhenyoucomeback.Thisisasimplewaytoprotectyourcomputeragainstunauthorized
accessincasethatyouforgettolockyourcomputer.
–LenovoPowerENGAGE
TheLenovoPowerENGAGEprogramenablesyoutoregisteryourcomputerwithLenovo.
–PasswordManager
ThePasswordManagerprogramautomaticallycapturesandfillsinauthenticationinformationfor
WindowsprogramsandWebsites.
Chapter1.Productoverview11

–PowerManager
ThePowerManagerprogramprovidesconvenient,flexible,andcompletepowermanagementfor
yourcomputer.Itenablesyoutoadjustyourcomputerpowersettingstoachievethebestbalance
betweenperformanceandpowersaving.
–RescueandRecovery
®
TheRescueandRecoveryprogramisaone-buttonrecoveryandrestoresolution.Itincludesaset
ofself-recoverytoolstohelpyoudiagnosecomputerproblems,gethelp,andrecoverfromsystem
crashes,evenifyoucannotstarttheWindowsoperatingsystem.
–SystemUpdate
TheSystemUpdateprogramprovidesregularaccesstothesystemupdatesforyourcomputer,such
asdevicedriverupdates,softwareupdates,andBIOSupdates.Theprogramgathersinformationfrom
theLenovoHelpCenteraboutnewupdatesforyourcomputer,thensortsanddisplaystheupdatesfor
downloadandinstallation.Youhavecompletecontrolofwhichupdatestodownloadandinstall.
•ForWindows10only:
–LenovoCompanion
Yourcomputer’sbestfeaturesandcapabilitiesshouldbeeasytoaccessandunderstand.WithLenovo
Companion,theyare.UseLenovoCompaniontodothefollowing:
–Optimizeyourcomputer’sperformance,monitoryourcomputer’shealth,andmanageupdates.
–Accessyouruserguide,checkwarrantystatus,andviewaccessoriescustomizedforyourcomputer.
–Readhow-toarticles,exploreLenovoforums,andstayup-to-dateontechnologynewswitharticles
andblogsfromtrustedsources.
LenovoCompanionisfilledwithexclusiveLenovocontenttohelpyoulearnmoreaboutwhatyou
candowithyourcomputer.
–LenovoID
TheLenovoIDprogramenablesyoutocreateyourLenovoIDandaccessallsupportedLenovo
programsandwebportalswithsinglesign-on.
•ForWindows7andWindows10:
–LenovoDeviceExperienceorLenovoPCExperience
TheLenovoDeviceExperienceorLenovoPCExperienceprogramhelpsyouworkmoreeasilyand
securely.TheprogramprovideseasyaccesstoLenovoThinkVantageToolsorLenovoTools,important
settingsandinformationaboutyourcomputer,theLenovoSupportWebsite,andsoon.
–LenovoSolutionCenter
TheLenovoSolutionCenterprogramenablesyoutotroubleshootandresolvecomputerproblems.It
combinesdiagnostictests,systeminformationcollection,securitystatus,andsupportinformation,
alongwithhintsandtipsformaximumsystemperformance.
12ThinkCentreM600UserGuide

Chapter2.Usingyourcomputer
Thischaptercontainsthefollowingtopics:
•“Registeringthecomputer”onpage13
•“Settingthecomputervolume”onpage13
•“AddinganicontotheWindowsnotificationarea”onpage13
•“Connectingtoanetwork”onpage13
Registeringthecomputer
WhenyouregisterthecomputerwithLenovo,youenterrequiredinformationintoaLenovodatabase.The
informationenablesLenovotocontactyouwhenthereisarecallorothersevereproblemandprovide
quickerservicewhenyoucallLenovoforhelp.Inaddition,somelocationsofferextendedprivilegesand
servicestoregisteredusers.
ToregisterthecomputerwithLenovo,ensurethatthecomputerisconnectedtotheInternet.Then,goto
http://www.lenovo.com/registerandfollowtheinstructionsonthescreen.
Settingthecomputervolume
Tosetthecomputervolume,dothefollowing:
1.ClickthevolumeiconintheWindowsnotificationareaonthetaskbar.
Note:IfthevolumeiconisnotdisplayedintheWindowsnotificationarea,addtheicontothe
notificationarea.See“AddinganicontotheWindowsnotificationarea”onpage13.
2.Followtheinstructionsonthescreentoadjustthevolume.Clickthespeakericontomutetheaudio.
AddinganicontotheWindowsnotificationarea
ToaddanicontotheWindowsnotificationarea,dothefollowing:
1.Clickthearrownexttothenotificationareatoviewhiddenicons.Then,clickthedesirediconand
dragittothenotificationarea.
2.Iftheiconisnotdisplayed,turnontheicon.
a.ClicktheStartbuttontoopentheStartmenu.
b.DependingonyourWindowsversion,dooneofthefollowing:
•ForWindows7:ClickControlPanel.ViewControlPanelusinglargeiconsorsmallicons,and
thenclickNotificationAreaIcons➙T urnsystemiconsonoroff.
•ForWindows10:ClickSettings➙Personalization➙T askbar➙Turnsystemiconsonoroff.
c.Turnonthedesiredicon.
3.IftheiconisstillnotdisplayedintheWindowsnotificationarea,repeatstep1.
Connectingtoanetwork
Thissectionprovidesinformationaboutconnectingtoanetwork.Ifyoucannotconnectthecomputertoa
network,see“Networkingproblems”onpage37.
©CopyrightLenovo2016,2017
13

ConnectingtoanEthernetLAN
YoucanconnectthecomputertoanEthernetLANbyconnectinganEthernetcabletotheEthernetconnector.
DANGER
Toavoidtheriskofelectricalshock,donotconnectthetelephonecabletotheEthernetconnector.
ConnectingtoawirelessLAN
YoucanconnectthecomputertoawirelessLANwithouttheuseofanEthernetcablebutbymeansof
radiowavesonly.
Note:ThewirelessLANfeatureisoptional.
Toestablishawireless-LANconnection,dothefollowing:
1.EnsurethatawirelessLANisavailableandthewirelessLANfeatureonthecomputerisworking.
2.Clickthewireless-network-connection-statusiconintheWindowsnotificationareatodisplayavailable
wirelessnetworks.
Note:Ifthewireless-network-connection-statusiconisnotdisplayedintheWindowsnotificationarea,
addtheicontothenotificationarea.See“AddinganicontotheWindowsnotificationarea”onpage13
3.ClickawirelessLAN,andthenclickConnecttoconnectthecomputertoit.Providerequired
informationifneeded.
.
ConnectingtoaBluetooth-enableddevice
Bluetoothisashort-rangewirelesscommunicationstechnology.UseBluetoothtoestablishawireless
connectionbetweenthecomputerandanotherBluetooth-enableddevicewithinadistanceofabout10
m(32.8ft).
Note:TheBluetoothfeatureisoptional.
ToconnecttoaBluetooth-enableddevice,dothefollowing:
1.EnsurethattheBluetoothfeatureonthecomputerisworkingandtheBluetooth-enableddeviceis
locatedwithinadistanceofabout10m(32.8ft)fromthecomputer.
2.ClicktheBluetoothiconintheWindowsnotificationareaonthetaskbar.
Note:IftheBluetoothiconisnotdisplayedintheWindowsnotificationarea,addtheicontothe
notificationarea.See“AddinganicontotheWindowsnotificationarea”onpage13.
3.DependingonyourWindowsversion,dooneofthefollowing:
•ForWindows7:ClickAddaDeviceandfollowtheinstructionsonthescreen..
•ForWindows10:ClickAddaBluetoothDeviceandfollowtheinstructionsonthescreen.
14ThinkCentreM600UserGuide

Chapter3.Youandyourcomputer
Thischaptercontainsthefollowingtopics:
•“Arrangingyourworkspace”onpage15
•“Accessibilityinformation”onpage16
•“Cleaningthecomputer”onpage19
•“Maintenance”onpage19
•“Movingthecomputer”onpage21
Arrangingyourworkspace
Arrangeyourworkspacetosuityourneedsandthekindofworkyoudo.Thissectionprovidesinformation
aboutthefactorsthataffectthewayyouarrangeyourworkspace.
Glareandlighting
Positionthemonitortominimizeglareandreflectionsfromoverheadlights,windows,andotherlightsources.
Reflectedlightfromshinysurfacescancauseannoyingreflectionsonyourscreen.Whenpossible,place
themonitoratrightanglestowindowsandotherlightsources.Ifnecessary,reduceoverheadlighting
byturningofflightsorusinglowerwattagebulbs.Ifyouinstallthemonitornearawindow,usecurtains
orblindstoblockthesunlight.Y oucanadjustthebrightnessandcontrastcontrolsonthemonitorasthe
roomlightingchangesthroughouttheday.
Whereitisimpossibletoavoidreflectionsortoadjustthelighting,anantiglarefilterplacedoverthescreen
mightbehelpful.However,thesefiltersmightaffecttheclarityoftheimageonthescreen;trythemonlyafter
youhaveexhaustedothermethodsofreducingglare.
Aircirculation
Thecomputerproducesheat.Thecomputerhasafanthatpullsinfreshairandforcesouthotairthrough
theairvents.Blockingtheairventscancauseoverheating,whichmightresultinamalfunctionordamage.
Positionthecomputersothatnothingblockstheairvents;usually,51mm(2inches)ofairspaceissufficient.
Ensurethattheventedairisnotblowingonpeople.
Electricaloutletlocationsandcablelengths
Thefollowingfactorsmightdeterminethefinalplacementofthecomputer:
•Locationsofelectricaloutlets
•Lengthofpowercordsorpoweradapters
•Lengthofthecablesthatareconnectedtootherdevices
Formoreinformationaboutpowercordsorpoweradapters,see“Powercordsandpoweradapters”on
pageiv
.
Comfort
Althoughnosingleworkingpositionisidealforeveryone,hereareafewguidelinestohelpyoufindaposition
thatsuitsyoubest.Thefollowingfiguresetsanexampleforyourreference.
©CopyrightLenovo2016,2017
15

•Screenposition:Keepthescreenatacomfortableviewingdistance,usually51-61cm(20-24inches).
Then,adjustthescreensothatthetopofthescreenisatorslightlybeloweyelevelandyoucanviewit
withouttwistingyourbody.
•Chairposition:Useachairthatgivesyougoodbacksupportandseatheightadjustment.Usechair
adjustmentstobestsuityourdesiredposture.
•Headposition:Keepyourheadandneckinacomfortableandneutral(verticalorupright)position.
•Armandhandpositions:Keepyourforearms,wrists,andhandsinarelaxedandneutral(horizontal)
position.T ypewithasofttouchwithoutpoundingthekeys.
•Legposition:Keepyourthighsparalleltothefloorandyourfeetflatonthefloororonafootrest.
Makeminormodificationsinyourworkingposturetodetertheonsetofdiscomfortcausedbylongperiodsof
workinginthesameposition.Frequent,shortbreaksfromyourworkalsohelptopreventminordiscomfort
associatedwithyourworkingposture.
Accessibilityinformation
Lenovoiscommittedtoprovidinguserswhohavehearing,vision,andmobilitylimitationswithgreater
accesstoinformationandtechnology.Thissectionprovidesinformationaboutthewaystheseuserscanget
themostoutoftheircomputerexperience.Youalsocangetthemostup-to-dateaccessibilityinformation
fromthefollowingWebsite:
http://www.lenovo.com/accessibility
Keyboardshortcuts
Thefollowingtablecontainskeyboardshortcutsthatcanhelpmakethecomputereasiertouse.
Note:Dependingonyourkeyboard,someofthefollowingkeyboardshortcutsmightnotbeavailable.
KeyboardshortcutFunction
Windowslogokey+U
RightShiftforeightseconds
ShiftfivetimesTurnonorturnoffStickyKeys
NumLockforfivesecondsTurnonorturnoffToggleKeys
LeftAlt+LeftShift+NumLock
LeftAlt+LeftShift+PrtScn(orPrtSc)TurnonorturnoffHighContrast
OpenEaseofAccessCenter
TurnonorturnoffFilterKeys
TurnonorturnoffMouseKeys
Formoreinformation,gotohttp://windows.microsoft.com/,andthenperformasearchusinganyofthe
followingkeywords:keyboardshortcuts,keycombinations,shortcutkeys.
16ThinkCentreM600UserGuide

EaseofAccessCenter
EaseofAccessCenterontheWindowsoperatingsystemenablesuserstoconfiguretheircomputersto
suittheirphysicalandcognitiveneeds.
TouseEaseofAccessCenter,dothefollowing:
1.ClicktheStartbuttontoopentheStartmenu.
2.DependingonyourWindowsversion,dooneofthefollowing:
•ForWindows7:ClickControlPanel.ViewControlPanelusinglargeiconsorsmallicons,and
thenclickEaseofAccessCenter.
•ForWindows10:ClickSettings➙EaseofAccess.
3.Choosetheappropriatetoolbyfollowingtheinstructionsonthescreen.
EaseofAccessCentermainlyincludesthefollowingtools:
•Magnifier
Magnifierisausefulutilitythatenlargestheentirescreenorpartofthescreensothatyoucansee
theitemsbetter.
•Narrator
Narratorisascreenreaderthatreadsaloudwhatisdisplayedonthescreenanddescribeseventssuchas
errormessages.
•On-ScreenKeyboard
Ifyouprefertotypeorenterdataintothecomputerusingamouse,joystick,orotherpointingdevice
insteadofaphysicalkeyboard,youcanuseOn-ScreenKeyboard.On-ScreenKeyboarddisplaysavisual
keyboardwithallthestandardkeys.
•HighContrast
HighContrastisafeaturethatheightensthecolorcontrastofsometextandimagesonyourscreen.Asa
result,thoseitemsaremoredistinctandeasiertoidentify.
•Personalizedkeyboard
Adjustkeyboardsettingstomakeyourkeyboardeasiertouse.Forexample,youcanuseyourkeyboard
tocontrolthepointerandtypecertainkeycombinationseasier.
•Personalizedmouse
Adjustmousesettingstomakeyourmouseeasiertouse.Forexample,youcanchangethepointer
appearanceandmakeiteasiertomanagewindowswiththemouse.
SpeechRecognition
SpeechRecognitionenablesyoutocontrolthecomputerbyvoice.
Usingonlyyourvoice,youcanstartprograms,openmenus,clickobjectsonthescreen,dictatetextinto
documents,andwriteandsende-mails.Everythingyoudowiththekeyboardandmousecanbedonewith
onlyyourvoice.
TouseSpeechRecognition,dothefollowing:
1.DependingonyourWindowsversion,dooneofthefollowing:
•ForWindows7:ClickControlPanelontheStartmenu.
•ForWindows10:ClicktheStartbuttontoopentheStartmenu,andthenclickWindowsSystem➙
ControlPanel.
2.ViewControlPanelusinglargeiconsorsmallicons,andthenclickSpeechRecognition.
Chapter3.Youandyourcomputer17

3.Followtheinstructionsonthescreen.
Screen-readertechnologies
Screen-readertechnologiesareprimarilyfocusedonsoftwareprograminterfaces,helpinformationsystems,
andvariousonlinedocuments.Foradditionalinformationaboutscreenreaders,seethefollowing:
•UsingPDFswithscreenreaders:
http://www.adobe.com/accessibility.html?promoid=DJGVE
•UsingtheJAWSscreenreader:
http://www.freedomscientific.com/jaws-hq.asp
•UsingtheNVDAscreenreader:
http://www.nvaccess.org/
Screenresolution
Youcanmakethetextandimagesonyourscreeneasiertoreadbyadjustingthescreenresolutionofthe
computer.
Toadjustthescreenresolution,dothefollowing:
1.Right-clickablankareaonthedesktop.
2.DependingonyourWindowsversion,dooneofthefollowing:
•ForWindows7:ClickScreenresolution.
•ForWindows10:ClickDisplaysettings.
3.Followtheinstructionsonthescreen.
Note:Settingtheresolutiontoolowmightpreventsomeitemsfromfittingonthescreen.
Customizableitemsize
Youcanmaketheitemsonyourscreeneasiertoreadbychangingtheitemsize.
•Tochangetheitemsizetemporarily,usetheMagnifiertoolinEaseofAccessCenter.See“Easeof
AccessCenter”onpage17.
•Tochangetheitemsizepermanently,dothefollowing:
–Changethesizeofalltheitemsonyourscreen.
1.Right-clickablankareaonthedesktop.
2.DependingonyourWindowsversion,dooneofthefollowing:
–ForWindows7:ClickScreenresolution➙Maketextandotheritemslargerorsmaller.
–ForWindows10:ClickDisplaysettings.
3.Changetheitemsizebyfollowingtheinstructionsonthescreen.
–ChangethesizeoftheitemsonaWebpage.
PressandholdCtrl,andthenpresstheplus-signkey(+)toenlargeortheminus-signkey(-)to
reducethetextsize.
–Changethesizeoftheitemsonthedesktoporawindow.
Note:Thisfunctionmightnotworkonsomewindows.
Ifyourmousehasawheel,pressandholdCtrl,andthenscrollthewheeltochangetheitemsize.
Industry-standardconnectors
Thecomputerprovidesindustry-standardconnectorsthatenableyoutoconnectassistivedevices.
18ThinkCentreM600UserGuide

TTY/TDDconversionmodem
Thecomputersupportstheuseofatexttelephone(TTY)orthetelecommunicationsdeviceforthedeaf(TDD)
conversionmodem.ThemodemmustbeconnectedbetweenthecomputerandaTTY/TDDtelephone.
Then,youcantypeamessageonthecomputerandsendittothetelephone.
Documentationinaccessibleformats
Lenovoprovideselectronicdocumentationinaccessibleformats,suchasproperlytaggedPDFfilesor
HyperTextMarkupLanguage(HTML)files.Lenovoelectronicdocumentationisdevelopedtoensure
thatvisuallyimpaireduserscanreadthedocumentationthroughascreenreader.Eachimageinthe
documentationalsoincludesadequatealternativetextsothatvisuallyimpaireduserscanunderstandthe
imagewhentheyuseascreenreader.
Cleaningthecomputer
CAUTION:
Removeanymediafromthedrivesandturnoffallconnecteddevicesandthecomputer.Then,
disconnectallpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnected
tothecomputer.
Itisagoodpracticetocleanthecomputerperiodicallytoprotectthesurfacesandensuretrouble-free
operation.Useonlymildcleaningsolutionsandadampclothtocleanthepaintedsurfacesofthecomputer.
Dustbuildupcompoundsproblemsassociatedwithglare,soremembertocleanthescreenperiodically.
Wipethescreensurfacegentlywithasoft,drycloth,orblowonthescreentoremovegritandotherloose
particles.Dependingonthetypeofthescreen,moistenasoft,lint-freeclothwithanLCDcleanerorliquid
glasscleanerandthenwipethescreensurface.
Maintenance
Withappropriatecareandmaintenance,thecomputerwillserveyoureliably.Thissectionprovides
informationaboutmaintainingthecomputersothatitcankeepworkingintoporder.
Basicmaintenancetips
Herearesomebasicpointsaboutkeepingthecomputerfunctioningproperly:
•Keepthecomputerinaclean,dryenvironment.Ensurethatthecomputerrestsonaflat,steadysurface.
•Donotcoveranyofairvents.Theseairventsprovideairflowtokeepthecomputerfromoverheating.
•Keepfoodanddrinksawayfromallpartsofthecomputer.Foodparticlesandspillsmightmakethe
keyboardandmousestickandunusable.
•Donotgetthepowerswitchesorothercontrolswet.Moisturecandamagethesepartsandcausean
electricalhazard.
•Alwaysdisconnectapowercordbygraspingthepluginsteadofthecord.
Goodmaintenancepractices
Byperformingafewgoodmaintenancepractices,youcanmaintaingoodcomputerperformance,protect
yourdata,andbepreparedincaseofacomputerfailure.
•Keepthecomputersoftware,devicedrivers,andoperatingsystemup-to-date.See“Keepingthe
computercurrent”onpage20
•Emptyyourrecyclebinonaregularbasis.
•CleanoutyourInbox,SentItems,andDeletedItemsfoldersinyoure-mailapplicationonaregularbasis.
.
Chapter3.Youandyourcomputer19

•Cleanupfilesandfreeupstoragedrivespaceandmemoryspaceoccasionallytopreventperformance
problems.See“Performanceproblems”onpage39
•Keepalogbook.Entriesmightincludemajorsoftwareorhardwarechanges,device-driverupdates,
intermittentproblemsandwhatyoudidtoresolvethem,andotherissuesyoumighthaveexperienced.
Thecauseofaproblemmightbechangeinhardware,changeinsoftware,oranyotheractionsthatmight
havetakenplace.AlogbookcanhelpyouoraLenovotechniciandeterminethecauseofaproblem.
•Backupyourdataonthestoragedriveregularly.Youcanrestorethestoragedrivefromabackup.
Tobackupyourdata,dooneofthefollowing:
–ForWindows7:OpentheRescueandRecoveryprogram.See“Accessingaprogramonthecomputer”
onpage10
–ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu,andthenclickControl
Panel.ViewControlPanelusinglargeiconsorsmallicons,andthenclickFileHistory.Followthe
instructionsonthescreen.
•Createarecoverymediumasearlyaspossible.Youcanusetherecoverymediumtorecoveryour
operatingsystemevenifWindowsfailstostartup.
Tocreatearecoverymedium,dooneofthefollowing:
–ForWindows7:OpentheCreateRecoveryMediaprogram.See“Accessingaprogramonthe
computer”onpage10
systemoftheprogram.
–ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu,andthenclickControl
Panel.ViewControlPanelusinglargeiconsorsmallicons,andthenclickRecovery.Followthe
instructionsonthescreen.
•ForWindows7,createarescuemediumasearlyaspossible.Youcanusetherescuemediumto
recoverfromfailuresthatpreventyoufromgainingaccesstotheRescueandRecoveryworkspace
onyourstoragedrive.
Tocreatearescuemedium,opentheRescueandRecoveryprogram.See“Accessingaprogramonthe
computer”onpage10
oftheprogram.
.Formoreinformationaboutbackingupyourdata,refertothehelpsystemoftheprogram.
.Formoreinformationaboutcreatingarecoverymedium,refertothehelp
.Formoreinformationaboutcreatingarescuemedium,refertothehelpsystem
.
Keepingthecomputercurrent
Inmostcases,itisagoodpracticetohavethemostup-to-dateoperatingsystemupdatepatches,software
programs,anddevicedrivers.Thissectionprovidesinformationabouthowtogetthelatestupdatesforthe
computer.
Gettingthelatestdevicedrivers
Attention:Reinstallingdevicedriverswillchangethecurrentconfigurationofthecomputer.
Togetthelatestdevicedriversforthecomputer,dooneofthefollowing:
•Downloadthedevicedriversthatarepreinstalledonthecomputer.Gotohttp://www.lenovo.com/drivers.
•UsetheLenovoprogramorWindowsUpdate.See“Gettingthelatestsystemupdates”onpage20.
Note:ThedevicedriversprovidedbyWindowsUpdatemightnotbetestedbyLenovo.Itisrecommended
thatyougetdevicedriversfromLenovo.
Gettingthelatestsystemupdates
Togetthelatestsystemupdatesforthecomputer,ensurethatthecomputerisconnectedtotheInternet
anddooneofthefollowing:
•UseoneofthefollowingLenovoprogramstogetthesystemupdates:
20ThinkCentreM600UserGuide

–ForWindows7:UsetheSystemUpdateprogram.
–ForWindows10:UsetheLenovoCompanionprogram.
ToopentheSystemUpdateorLenovoCompanionprogram,see“Accessingaprogramonthecomputer”
onpage10.Formoreinformationaboutusingtheprogram,refertothehelpsystemoftheprogram.
•UseWindowsUpdatetogetthesystemupdates.
1.ClicktheStartbuttontoopentheStartmenu.
2.DependingonyourWindowsversion,dooneofthefollowing:
–ForWindows7:ClickControlPanel.ViewControlPanelusinglargeiconsorsmallicons,and
thenclickWindowsUpdate.
–ForWindows10:ClickSettings➙Update&security➙WindowsUpdate.
3.Followtheinstructionsonthescreen.
Movingthecomputer
Beforemovingthecomputer,takethefollowingprecautions:
1.Backupyourdataonthestoragedrive.See“Goodmaintenancepractices”onpage19.
2.Removeanymediafromthedrivesandturnoffallconnecteddevicesandthecomputer.Then,
disconnectallpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothe
computer.
3.Ifyousavedtheoriginalshippingcartonsandpackingmaterials,usethemtopacktheunits.Ifyouare
usingdifferentcartons,cushiontheunitstoavoiddamage.
Movingthecomputertoanothercountryorregion
Whenyoumovethecomputertoanothercountryorregion,youmusttakelocalelectricalstandardsinto
consideration.Ifthelocalelectricaloutletstyleisdifferentfromthetypeyouarecurrentlyusing,contactthe
LenovoCustomerSupportCentertopurchaseeitheranelectricalplugadapteroranewpowercord.Fora
listofLenovoSupportphonenumbers,gotohttp://www.lenovo.com/support/phone.Ifyoucannotfindthe
supporttelephonenumberforyourcountryorregion,contactyourLenovoreseller.
Chapter3.Youandyourcomputer21

22ThinkCentreM600UserGuide

Chapter4.Security
Thischaptercontainsthefollowingtopics:
•“Lockingthecomputer”onpage23
•“ViewingandchangingsecuritysettingsintheSetupUtilityprogram”onpage24
•“Preventingunauthorizedaccesstothecomputer”onpage24
•“Usingfingerprintauthentication”onpage25
•“Usingthecoverpresenceswitch”onpage25
•“Usingandunderstandingfirewalls”onpage25
•“Protectingdataagainstviruses”onpage26
•“ComputraceAgentsoftwareembeddedinfirmware”onpage26
•“TrustedPlatformModule(TPM)”onpage26
Lockingthecomputer
Thissectionprovidesinformationaboutlockingthecomputerwiththelockingdevicestokeepthecomputer
safe.
©CopyrightLenovo2016,2017
23

AttachingaKensington-stylecablelock
YoucanuseaKensington-stylecablelocktosecureyourcomputertoadesk,table,orothernon-permanent
fixture.Thecablelockconnectstothesecurity-lockslotattherearofyourcomputer.Dependingonthetype
selected,thecablelockcanbeoperatedwithakeyorcombination.Thecablelockalsolocksthebuttons
usedtoopenthecomputercover.Thisisthesametypeoflockusedwithmanynotebookcomputers.You
canordersuchacablelockdirectlyfromLenovobysearchingforKensingtonat:
http://www.lenovo.com/support
Figure6.Kensington-stylecablelock
ViewingandchangingsecuritysettingsintheSetupUtilityprogram
ToviewandchangesecuritysettingsintheSetupUtilityprogram,dothefollowing:
1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage27.
2.SelectSecurity.
3.Followtheinstructionsontherightsideofthescreentoviewandchangesecuritysettings.Y oucan
referto“UsingtheSetupUtilityprogram”onpage27togetbasicinformationaboutsomemajor
securitysettings.
4.ExittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”onpage31.
Preventingunauthorizedaccesstothecomputer
YoucanuseBIOSpasswordsandWindowsaccountstopreventunauthorizedaccesstothecomputerand
data.
•TouseBIOSpasswords,see“UsingBIOSpasswords”onpage29.
•TouseWindowsaccounts,dothefollowing:
1.ClicktheStartbuttontoopentheStartmenu.
24ThinkCentreM600UserGuide

2.DependingonyourWindowsversion,dooneofthefollowing:
–ForWindows7:ClickControlPanel➙UserAccounts.
–ForWindows10:ClickSettings➙Accounts.
3.Followtheinstructionsonthescreen.
Usingfingerprintauthentication
Ifyourkeyboardhasafingerprintreader,youcanusefingerprintauthenticationtoreplacepasswordsfor
simpleandsecureuseraccess.T ousefingerprintauthentication,firstenrollyourfingerprintsandassociate
themwithyourpasswords(suchasthepower-onpassword,harddiskpassword,andWindowspassword).
Usethefingerprintreaderandthefingerprintprogramtocompletethisprocedure.
Tousefingerprintauthentication,dooneofthefollowing:
•ForWindows7:OpentheFingerprintManagerProorThinkVantageFingerprintSoftwareprogram
providedbyLenovo.See“Accessingaprogramonthecomputer”onpage10
aboutusingtheprogram,refertothehelpsystemoftheprogram.
•ForWindows10:ClicktheStartbuttontoopentheStartmenu,andthenclickSettings➙Accounts➙
Sign-inoptions.Followtheinstructionsonthescreen.
Tousethefingerprintreader,refertothedocumentationshippedwiththefingerprintkeyboardorlocatedon
theLenovoSupportWebsiteathttp://www.lenovo.com/support/keyboards.
.Formoreinformation
Usingthecoverpresenceswitch
Thecoverpresenceswitchpreventsthecomputerfromloggingintotheoperatingsystemwhenthe
computercoverisnotproperlyinstalledorclosed.
Toenablethecover-presence-switchconnectoronthesystemboard,dothefollowing:
1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage27.
2.SelectSecurity➙ChassisIntrusionDetectionandpressEnter.
3.SelectEnabledandpressEnter.
4.ExittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”onpage31.
Whenthecover-presence-switchconnectoronthesystemboardisenabled,ifthecoverpresenceswitch
detectsthatthecomputercoverisnotcorrectlyinstalledorclosed,anerrormessagewillbedisplayedwhen
youturnonthecomputer.Tobypasstheerrormessageandlogintotheoperatingsystem,dothefollowing:
1.Properlyinstallorclosethecomputercover.
2.StartandthenexittheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage27and
“ExitingtheSetupUtilityprogram”onpage31.
Usingandunderstandingfirewalls
Afirewallcanbehardware,software,oracombinationofbothdependingonthelevelofsecurityrequired.
Firewallsworkonasetofrulestodeterminewhichinboundandoutboundconnectionsareauthorized.Ifthe
computerispreinstalledwithafirewallprogram,ithelpsprotectagainstcomputerInternetsecuritythreats,
unauthorizedaccess,intrusions,andInternetattacks.Italsoprotectsyourprivacy.Formoreinformation
abouthowtousethefirewallprogram,refertothehelpsystemofyourfirewallprogram.
TouseWindowsFirewall,dothefollowing
1.DependingonyourWindowsversion,dooneofthefollowing:
Chapter4.Security25

•ForWindows7:ClickControlPanelontheStartmenu.
•ForWindows10:ClicktheStartbuttontoopentheStartmenu,andthenclickWindowsSystem➙
ControlPanel.
2.ViewControlPanelusinglargeiconsorsmallicons,andthenclickWindowsFirewall.
3.Followtheinstructionsonthescreen.
Protectingdataagainstviruses
Thecomputerispreinstalledwithanantivirusprogramtohelpyouguardagainst,detect,andeliminate
viruses.
Lenovoprovidesafullversionofantivirussoftwareonthecomputerwithafree30-daysubscription.After30
days,youmustrenewthelicensetocontinuereceivingtheantivirussoftwareupdates.
Note:Virusdefinitionfilesmustbekeptup-to-datetoguardagainstnewviruses.
Formoreinformationabouthowtouseyourantivirussoftware,refertothehelpsystemofyourantivirus
software.
ComputraceAgentsoftwareembeddedinfirmware
TheComputraceAgentsoftwareisanITassetmanagementandcomputertheftrecoverysolution.The
softwaredetectsifchangeshavebeenmadeonthecomputer,suchashardware,software,orthecomputer
call-inlocation.YoumighthavetopurchaseasubscriptiontoactivatetheComputraceAgentsoftware.
TrustedPlatformModule(TPM)
TPMisasecurecryptoprocessorthatcanstorecryptographickeysthatprotectinformationstoredinthe
computer.
26ThinkCentreM600UserGuide

Chapter5.Advancedconfiguration
Thischaptercontainsthefollowingtopics:
•“UsingtheSetupUtilityprogram”onpage27
•“UpdatingtheBIOS”onpage31
UsingtheSetupUtilityprogram
TheSetupUtilityprogramisusedtoviewandchangetheconfigurationsettingsofthecomputer.This
sectionprovidesinformationaboutonlythemajorconfigurationsettingsavailableintheprogram.
Note:TheoperatingsystemsettingsmightoverrideanysimilarsettingsintheSetupUtilityprogram.
StartingtheSetupUtilityprogram
TostarttheSetupUtilityprogram,dothefollowing:
1.Turnonorrestartthecomputer.
2.BeforeWindowsstartsup,repeatedlypressandreleasetheF1keyuntiltheSetupUtilityprogram
opens.IfaBIOSpasswordhasbeenset,theSetupUtilityprogramwillnotopenuntilyouenterthe
correctpassword.Formoreinformation,see“UsingBIOSpasswords”onpage29
Note:Forsomekeyboards,youmightneedtopressFn+F1toopentheSetupUtilityprogram.
.
Toviewandchangetheconfigurationsettings,followtheinstructionsontherightsideofthescreen.The
keysusedtoperformvarioustasksaredisplayedatthebottomofthescreen.
Enablingordisablingadevice
Thissectionprovidesinformationabouthowtoenableordisableuseraccesstohardwaredevices(such
asUSBconnectorsorstoragedrives).
Toenableordisableadevice,dothefollowing:
1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage27.
2.SelectDevices.
3.SelectthedeviceyouwanttoenableordisableandpressEnter.
4.SelectthedesiredsettingandpressEnter.
5.ExittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”onpage31.
EnablingordisablingtheAutomaticPowerOnfeatures
IfyouenabletheAutomaticPowerOnfeatures,thecomputerwillstartupautomatically.
ToenableordisabletheAutomaticPowerOnfeatures,dothefollowing:
1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage27.
2.SelectPower➙AutomaticPowerOnandpressEnter.
3.SelectthefeatureyouwanttoenableordisableandpressEnter.
4.SelectthedesiredsettingandpressEnter.
5.ExittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”onpage31.
©CopyrightLenovo2016,2017
27

EnablingordisablingtheErPLPScompliancemode
Lenovocomputersmeettheeco-designrequirementsoftheErPLot3regulation.Formoreinformation,go
to:
http://www.lenovo.com/ecodeclaration
YoucanenabletheErPLPScompliancemodeintheSetupUtilityprogramtoreducetheconsumptionof
electricitywhenthecomputerisofforinsleepmode.
ToenableordisabletheErPLPScompliancemode,dothefollowing:
1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage27.
2.SelectPower➙EnhancedPowerSavingModeandpressEnter.
3.DependingonwhetheryouselectEnabledorDisabled,dooneofthefollowing:
•IfyouselectEnabled,pressEnter.Then,disabletheWakeonLANfeature.See“Enablingor
disablingtheAutomaticPowerOnfeatures”onpage27.
•IfyouselectDisabled,pressEnter.Then,gotothenextstep.
4.ExittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”onpage31.
WhentheErPLPScompliancemodeisenabled,youcanwakeupthecomputerbydoingoneofthe
following:
•Pressthepowerbutton.
•EnabletheWakeUponAlarmfeaturetomakethecomputerwakeupatasettime.See“Enablingor
disablingtheAutomaticPowerOnfeatures”onpage27.
•EnabletheAfterPowerLossfeaturetomakethecomputerwakeupwhenthepowersupplyresumesafter
asuddenlossofelectricity.
1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage27.
2.SelectPower➙AfterPowerLossandpressEnter.
3.SelectPowerOnandpressEnter.
4.ExittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”onpage31.
IntheWindows10operatingsystems,youalsoneedtodisabletheFastStartupfunctiontomeettheoff
moderequirementofErPcompliance.
TodisabletheFastStartupfunction,dothefollowing:
1.ClicktheStartbuttontoopentheStartmenu,andthenclickWindowsSystem➙ControlPanel.
2.SelectAllControlPanelItems➙PowerOptions.
3.SelectChoosewhatthepowerbuttonsdofromthepop-updialogbox.
4.SelecttheChangesettingsthatarecurrentlyunavailableoption,andcleartheT urnonfaststartup
optionfromtheShutdownsettingslist.
EnablingordisablingtheConfigurationChangeDetectionfeature
IfyouenabletheConfigurationChangeDetectionfeature,whenthePOSTdetectstheconfigurationchanges
ofsomehardwaredevices(suchasstoragedrivesormemorymodules),anerrormessagewillbedisplayed
whenyouturnonthecomputer.
ToenableordisabletheConfigurationChangeDetectionfeature,dothefollowing:
1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage27.
2.SelectSecurity➙ConfigurationChangeDetectionandpressEnter.
28ThinkCentreM600UserGuide

3.SelectthedesiredsettingandpressEnter.
4.ExittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”onpage31.
Tobypasstheerrormessageandlogintotheoperatingsystem,dooneofthefollowing:
•PresstheF2key.
Note:Forsomekeyboards,youmightneedtopressFn+F2tobypasstheerrormessage.
•StartandthenexittheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage27
“ExitingtheSetupUtilityprogram”onpage31.
and
UsingBIOSpasswords
ByusingtheSetupUtilityprogram,youcansetpasswordstopreventunauthorizedaccesstothecomputer
anddata.
Youdonothavetosetanypasswordstousethecomputer.However,usingpasswordsimprovescomputer
security.Ifyoudecidetosetanypasswords,readthefollowingtopics.
SetupUtilityprogrampasswordtypes
Thefollowingtypesofpasswordsareavailable:
•Power-onpassword
Whenapower-onpasswordisset,youarepromptedtoenteravalidpasswordeachtimethecomputeris
turnedon.Thecomputercannotbeuseduntilthevalidpasswordisentered.
•Administratorpassword
Settinganadministratorpassworddetersunauthorizedusersfromchangingconfigurationsettings.Ifyou
areresponsibleformaintainingtheconfigurationsettingsofseveralcomputers,youmightwanttoset
anadministratorpassword.
Whenanadministratorpasswordisset,youarepromptedtoenteravalidpasswordeachtimeyou
trytoaccesstheSetupUtilityprogram.TheSetupUtilityprogramcannotbeaccesseduntilavalid
passwordisentered.
Ifboththepower-onpasswordandadministratorpasswordareset,youcanentereitherpassword.
However,youmustuseyouradministratorpasswordtochangeanyconfigurationsettings.
•Harddiskpassword
Settingaharddiskpasswordpreventsunauthorizedaccesstothedataonthestoragedrive.Whena
harddiskpasswordisset,youarepromptedtoenteravalidpasswordeachtimeyoutrytoaccess
thestoragedrive.
Notes:
–Afteryousetaharddiskpassword,yourdataonthestoragedriveisprotectedevenifthestoragedrive
isremovedfromonecomputerandinstalledinanother.
–Iftheharddiskpasswordisforgotten,thereisnowaytoresetthepasswordorrecoverdatafrom
thestoragedrive.
Passwordconsiderations
Apasswordcanbeanycombinationofupto64alphabeticandnumericcharacters.Forsecurityreasons,it
isrecommendedtouseastrongpasswordthatcannotbeeasilycompromised.
Note:TheSetupUtilityprogrampasswordsarenotcasesensitive.
Tosetastrongpassword,considerthefollowingguidelines:
•Haveatleasteightcharactersinlength
Chapter5.Advancedconfiguration29

•Containatleastonealphabeticcharacterandonenumericcharacter
•Notbeyournameoryourusername
•Notbeacommonwordoracommonname
•Besignificantlydifferentfromyourpreviouspasswords
Setting,changing,anddeletingapassword
Toset,change,ordeleteapassword,dothefollowing:
1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage27.
2.SelectSecurity.
3.Dependingonthepasswordtype,selectSetPower-OnPassword,SetAdministratorPassword,or
HardDiskPasswordandpressEnter.
4.Followtheinstructionsontherightsideofthescreentoset,change,ordeleteapassword.
Note:Apasswordcanbeanycombinationofupto64alphabeticandnumericcharacters.Formore
information,see“Passwordconsiderations”onpage29
5.ExittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”onpage31.
.
Selectingastartupdevice
Ifthecomputerdoesnotstartupfromadeviceasexpected,youcanchoosetochangethestartupdevice
sequencepermanentlyorselectatemporarystartupdevice.
Changingthestartupdevicesequencepermanently
Tochangethestartupdevicesequencepermanently,dothefollowing:
1.Dependingonthetypeofthestoragedevice,dooneofthefollowing:
•Ifthestoragedeviceisinternal,gotostep2.
•Ifthestoragedeviceisadisc,ensurethatthecomputerisonorturnonthecomputer.Then,insert
thediscintotheopticaldrive.
•Ifthestoragedeviceisanexternaldeviceotherthanadisc,connectthestoragedevicetothe
computer.
2.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage27.
3.SelectStartup.
4.Followtheinstructionsontherightsideofthescreentochangethestartupdevicesequence.
5.ExittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”onpage31.
Selectingatemporarystartupdevice
Note:Notalldiscsandstoragedrivesarebootable.
Toselectatemporarystartupdevice,dothefollowing:
1.Dependingonthetypeofthestoragedevice,dooneofthefollowing:
•Ifthestoragedeviceisinternal,gotostep2.
•Ifthestoragedeviceisadisc,ensurethatthecomputerisonorturnonthecomputer.Then,insert
thediscintotheopticaldrive.
•Ifthestoragedeviceisanexternaldeviceotherthanadisc,connectthestoragedevicetothe
computer.
2.Turnonorrestartthecomputer.BeforeWindowsstartsup,repeatedlypressandreleasetheF12key
untilStartupDeviceMenuisdisplayed.
30ThinkCentreM600UserGuide

Note:Forsomekeyboards,youmightneedtopressFn+F12todisplayStartupDeviceMenu.
3.SelectthedesiredstoragedeviceandpressEnter.Thecomputerwillstartupfromthedeviceyouselect.
Ifyouwanttoselectapermanentstartupdevice,selectEnterSetuponStartupDeviceMenuandpress
EntertostarttheSetupUtilityprogram.Formoreinformationabouthowtoselectapermanentstartup
device,see“Changingthestartupdevicesequencepermanently”onpage30
.
ExitingtheSetupUtilityprogram
ToexittheSetupUtilityprogram,dooneofthefollowing:
•Ifyouwanttosavethenewsettings,presstheF10key.Then,selectYesinthewindowdisplayed
andpressEnter.
Note:Forsomekeyboards,youmightneedtopressFn+F10toexittheSetupUtilityprogram.
•Ifyoudonotwanttosavethenewsettings,selectExit➙DiscardChangesandExitandpressEnter.
Then,selectY esinthewindowdisplayedandpressEnter.
UpdatingtheBIOS
Whenyouinstallanewprogram,hardwaredevice,ordevicedriver,youmightbeinformedtoupdate
theBIOS.Y oucanupdatetheBIOSfromyouroperatingsystemoraflashupdatedisc(supportedonly
onsomemodels).
ToupdatetheBIOS,dothefollowing:
1.Gotohttp://www.lenovo.com/drivers.
2.DownloadtheflashBIOSupdatedriverfortheoperatingsystemversionortheISOimageversion(used
tocreateaflashupdatedisc).Then,downloadtheinstallationinstructionsfortheflashBIOSupdate
driveryoudownload.
3.PrinttheinstallationinstructionsyoudownloadandfollowtheinstructionstoupdatetheBIOS.
Chapter5.Advancedconfiguration31

32ThinkCentreM600UserGuide

Chapter6.Troubleshooting,diagnostics,andrecovery
Thischapterprovidessolutionstoresolvethecomputerproblems.Followthestepsinthebasicprocedure
forresolvingcomputerproblems,whichhelpsyoumakegooduseofthetroubleshooting,diagnostics,
andrecoveryinformation.
•“Basicprocedureforresolvingcomputerproblems”onpage33
•“Troubleshooting”onpage33
•“Diagnostics”onpage41
•“Recoveryinformation”onpage41
Basicprocedureforresolvingcomputerproblems
Itisrecommendedthatyouusethefollowingproceduretoresolvecomputerproblemsyouareexperiencing:
1.Ensurethat:
a.Thecablesforallconnecteddevicesareconnectedcorrectlyandsecurely.
b.Allconnecteddevicesthatrequireacpowerareconnectedtoproperlygrounded,functioning
electricaloutlets.
c.AllconnecteddevicesareenabledintheBIOSsettingsofthecomputer.See“Enablingordisabling
adevice”onpage27
Iftheseactionsdonotresolveyourproblem,continuewiththenextstep.
2.Useanantivirusprogramtoseeifthecomputerhasbeeninfectedbyavirus.Iftheprogramdetects
avirus,removethevirus.Iftheantivirusprogramdoesnotresolveyourproblem,continuewiththe
nextstep.
3.Goto“Troubleshooting”onpage33andfollowtheinstructionsforthetypeofproblemyouare
experiencing.Ifthesetroubleshootinginstructionsdonotresolveyourproblem,continuewiththe
nextstep.
4.Runthediagnosticprogram.See“Diagnostics”onpage41.Ifthediagnosticprogramdoesnotresolve
yourproblem,continuewiththenextstep.
5.Recoveryouroperatingsystem.See“Recoveryinformation”onpage41.
6.Ifnoneoftheseactionssolveyourproblem,contacttheLenovoCustomerSupportCenter.Foralistof
LenovoSupportphonenumbers,gotohttp://www.lenovo.com/support/phone.Formoreinformation
abouthelp,service,andtechnicalassistance,seeChapter8“Gettinginformation,help,andservice”
onpage67.
.
Troubleshooting
Attention:Donotopenthecomputerorattemptanyrepairbeforereadingandunderstanding“Readthis
first:Importantsafetyinformation”inthisdocument.
Usethetroubleshootinginformationtofindsolutionstoproblemsthathavedefinitesymptoms.
Startupproblems
Thissectionprovidessolutionstostartup-relatedproblems.
Thecomputerdoesnotstartupwhenyoupressthepowerbutton
Solutions:Ensurethat:
•Thepowercordiscorrectlyconnectedtotherearofthecomputerandtoaworkingelectricaloutlet.
©CopyrightLenovo2016,2017
33

•Ifthecomputerhasasecondarypowerswitchontherearofthecomputer,ensurethatitisswitchedon.
•Thepowerindicatoronthefrontofthecomputerison.
•Thecomputervoltagematchesthevoltageavailableattheelectricaloutletforyourcountryorregion.
Theoperatingsystemfailstostartup
Solution:Ensurethatthestartupsequenceincludesthedevicewheretheoperatingsystemresides.Usually,
theoperatingsystemisonthestoragedrive.Formoreinformation,see“Changingthestartupdevice
sequencepermanently”onpage30.
Thecomputerbeepsmultipletimesbeforetheoperatingsystemstartsup
Solution:Ensurethatnokeysarestuck.
Audioproblems
Thissectionprovidessolutionstoaudio-relatedproblems.
NoaudioinWindows
Solutions:
•IfyouareusingpoweredexternalspeakersthathaveanOn/Offcontrol,ensurethat:
–TheOn/OffcontrolissettotheOnposition.
–Thespeakerpowercableisconnectedtoaproperlygrounded,functionalacelectricaloutlet.
•Ifyourexternalspeakershaveavolumecontrol,ensurethatthevolumeisnotsettoolow.
•ClickthevolumeiconintheWindowsnotificationareaonthetaskbar.Ensurethatthemutespeakers
settingsarenotselectedandnoneofthevolumesettingsissettoolow.
Note:IfthevolumeiconisnotdisplayedintheWindowsnotificationarea,addtheicontothenotification
area.See“AddinganicontotheWindowsnotificationarea”onpage13.
•Somemodelshaveafrontaudiopanelyoucanusetoadjustvolume.Ifyouhaveafrontaudiopanel,
ensurethatthevolumeisnotsettoolow.
•Ensurethatyourexternalspeakers(andheadphones,ifused)areconnectedtothecorrectaudio
connectoronthecomputer.Mostspeakercablesarecolor-codedtomatchtheconnector.
Note:Whenexternal-speakerorheadphonecablesareconnectedtotheaudioconnector,theinternal
speaker,ifpresent,isdisabled.Inmostcases,ifanaudioadapterisinstalledinoneoftheexpansion
slots,theaudiofunctionbuiltintothesystemboardisdisabled.Therefore,youmustusetheaudio
connectorsontheaudioadapter.
•EnsurethattheprogramyouarerunningisdesignedforuseintheMicrosoftWindowsoperatingsystem.
IftheprogramisdesignedtoruninDOS,theprogramdoesnotusetheWindowssoundfeature.The
programmustbeconfiguredtouseSoundBlasterProorSoundBlasteremulation.
•Ensurethattheaudiodevicedriversarecorrectlyinstalled.
Soundcomesonlyfromoneexternalspeaker
Solutions:
•Ensurethatthespeakercableisinsertedcompletelyintotheconnectoronthecomputer.
•Ensurethatthecablethatconnectstheleftspeakertotherightspeakerissecurelyconnected.
•DependingonyourWindowsversion,dooneofthefollowing:
–ForWindows7:ClickthevolumeiconintheWindowsnotificationareaonthetaskbar.Then,click
thespeakericonontopofthevolumecontrol.
34ThinkCentreM600UserGuide

–ForWindows10:Right-clickthevolumeiconintheWindowsnotificationareaonthetaskbar.Then,
clickOpenVolumeMixerandselectthedesiredspeaker.
Note:IfthevolumeiconisnotdisplayedintheWindowsnotificationarea,addtheicontothenotification
area.See“AddinganicontotheWindowsnotificationarea”onpage13
Then,clicktheLevelstabandensurethattheBalancesettingsaresetcorrectly.
.
CDproblems
ThissectionprovidessolutionstoCD-relatedproblems.
ACDorDVDdoesnotwork
Solutions:
•IfyouhavemultipleCDorDVDdrivesinstalled(oracombinationofCDandDVDdrives),tryinsertingthe
discintotheotherdrive.Insomecases,onlyoneofthedrivesisconnectedtotheaudiosubsystem.
•Ensurethatthediscisinsertedcorrectly,withitslabelup.
•Ensurethatthediscyouareusingisclean.Toremovedustorfingerprints,wipethedisccleanwithasoft
clothfromthecentertotheoutside.Wipingadiscinacircularmotionmightcauselossofdata.
•Ensurethatthediscyouareusingisnotscratchedordamaged.Tryinsertinganotherdiscthatyou
knowisgood.Ifyoucannotreadfromaknown-gooddisc,youmighthaveaproblemwithyouroptical
driveorthecablingtoyouropticaldrive.Ensurethatthepowercableandsignalcablearesecurely
connectedtothedrive.
Unabletouseabootablerecoverymedium,suchastheProductRecoveryCD,to
startthecomputer
Solution:EnsurethattheCDorDVDdriveisinthestartupsequencebeforethestoragedrive.Referto
“Selectingatemporarystartupdevice”onpage30
sequence.Notethatonsomemodelsthestartupsequenceispermanentlysetandcannotbechanged.
forinformationonviewingandchangingthestartup
DVDproblems
ThissectionprovidessolutionstoDVD-relatedproblems.
BlackscreeninsteadofDVDvideo
Solutions:
•RestarttheDVDplayerprogram.
•Tryalowerscreenresolutionorcolordepth.
•Closeanyopenfiles,andthenrestartthecomputer.
DVDmoviedoesnotplay
Solutions:
•Ensurethatthediscsurfaceiscleanandnotscratched.
•Checkthediscorpackageforregionalcoding.Y oumightneedtopurchaseadiscwithcodingforthe
regionwhereyouareusingthecomputer.
NoaudioorintermittentaudiowhileplayingaDVDmovie
Solutions:
•Checkthevolumecontrolsettingsonthecomputerandonyourspeakers.
•Ensurethatthediscsurfaceiscleanandnotscratched.
Chapter6.Troubleshooting,diagnostics,andrecovery35

•Checkallcableconnectionstoandfromthespeakers.
•UsetheDVDmenuforthevideotoselectadifferentaudiotrack.
Playbackissloworchoppy
Solutions:
•Disableanybackgroundprograms,suchasAntiVirusorDesktopThemes.
•Ensurethatvideoresolutionissettolessthan1152x864pixels.
Invaliddiscornodiscfoundmessage
Solutions:
•EnsurethataDVDdiscisinthedrivewiththeshinysideofthediscfacingdown.
•Ensurethatvideoresolutionissettolessthan1152x864pixels.
•OncomputersthathaveaCD-ROMorCD-RWdriveinadditiontoaDVD-ROMdrive,ensurethatthe
DVDdiscisinthedrivelabeled“DVD”.
Intermittentproblems
Someproblemsoccuronlyoccasionallyandaredifficulttorepeat.
Solutions:
•Ensurethatallcablesandcordsaresecurelyconnectedtothecomputerandconnecteddevices.
•Ensurethatwhenthecomputerison,thefangrillisnotblocked(thereisairflowaroundthegrill),andthe
fansareworking.Ifairflowisblockedorthefansarenotworking,thecomputermightoverheat.
•IfSmallComputerSystemInterface(SCSI)devicesareinstalled,ensurethatthelastexternaldevicein
eachSCSIchainisterminatedcorrectly.Formoreinformation,seeyourSCSIdocumentation.
Storagedriveproblems
Selectyoursymptomfromthefollowinglist:
•“SomeorallstoragedrivesmissingfromtheSetupUtilityprogram”onpage36
•“"NoOperatingSystemFound"messageorthesystemnotstartingupfromthecorrectstoragedrive”
onpage36
SomeorallstoragedrivesmissingfromtheSetupUtilityprogram
Symptom:SomeorallstoragedrivesmissingfromtheSetupUtilityprogram
Solutions:
•Ensurethatallstoragedrivesignalcablesandpowercablesareconnectedcorrectly.
•Ensurethatthecomputerisconfiguredcorrectlytosupportthestoragedrives.
–IfthecomputerisinstalledwithfiveSATAstoragedrives,ensurethattheSATAstoragedrive
enablementmodule(onetofivestoragedrives)isinstalled.
–IfthecomputerisinstalledwithSASstoragedrives,ensurethattheSASstoragedriveenablement
module(onetofivestoragedrives)ortheLSIMegaRAIDSASadapterisinstalled.
"NoOperatingSystemFound"messageorthesystemnotstartingupfromthe
correctstoragedrive
Symptom:"NoOperatingSystemFound"messageorthesystemnotstartingupfromthecorrectstorage
drive
36ThinkCentreM600UserGuide

Solutions:
•Ensurethatallstoragedrivesignalcablesandpowercablesareconnectedcorrectly.
•EnsurethatthestoragedrivethecomputerstartsupfromislistedasthefirststartupdeviceintheSetup
Utilityprogram.Referto“Changingthestartupdevicesequencepermanently”onpage30
Note:Inrarecases,thestoragedrivewiththeoperatingsystemmightgetcorruptedordamaged.Insuch
cases,youmightneedtoreplacethestoragedrive.
.
Networkingproblems
Thissectionprovidessolutionstonetworking-relatedproblems.
EthernetLANproblems
MycomputercannotbeconnectedtoanEthernetLAN
Solutions:
•ConnectthecablefromtheEthernetconnectortotheRJ45connectorofthehub.
•EnabletheEthernetLANfeatureintheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”on
page27
•EnabletheEthernetLANadapter.
•UpdateorreinstalltheEthernetLANdriver.See“Keepingthecomputercurrent”onpage20.
•Installallnetworkingsoftwarethatisnecessaryforyournetworkenvironment.CheckwithyourLAN
administratorforthenecessarynetworkingsoftware.
•Setthesameduplexfortheswitchportandtheadapter.Ifyouconfiguredtheadapterforfullduplex,
ensurethattheswitchportisalsoconfiguredforfullduplex.Settingthewrongduplexmodemight
degradeperformance,causedataloss,orresultinlostconnections.
.Then,followtheinstructionsonthescreen.
1.DependingonyourWindowsversion,dooneofthefollowing:
–ForWindows7:ClickControlPanelontheStartmenu.
–ForWindows10:ClicktheStartbuttontoopentheStartmenu,andthenclickWindowsSystem
➙ControlPanel.
2.ViewControlPanelusinglargeiconsorsmallicons,andthenclickNetworkandSharingCenter➙
Changeadaptersettings.
3.Right-clicktheEthernetLANadaptericonandclickEnable.
MycomputerisaGigabitEthernetmodelandIuseaspeedof1000Mbps,buttheconnectionfails
orerrorsoccur
Solution:ConnectthenetworkcabletotheEthernetconnectorusingCategory5wiringanda100BASE-T
hub/switch(not100BASE-X).
MycomputerisaGigabitEthernetmodel,butitcannotbeconnectedtothenetworkat1000Mbps,
butatonly100Mbps
Solutions:
•Tryanothercable.
•Setthelinkpartnertoauto-negotiate.
•Settheswitchtobe802.3ab-compliant(gigabitovercopper).
Chapter6.Troubleshooting,diagnostics,andrecovery37

TheWakeOnLANfeaturedoesnotwork
Solution:EnabletheWakeOnLAN(WOL)featureintheSetupUtilityprogram.See“StartingtheSetupUtility
program”onpage27.Then,followtheinstructionsonthescreen.
WirelessLANproblem
Note:ThewirelessLANfeatureisoptional.
ThewirelessLANfeaturedoesnotwork
Solutions:
•EnablethewirelessLANfeatureintheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”on
page27.Then,followtheinstructionsonthescreen.
•ForWindows10,enablethewirelessLANfeatureinWindowsSettings.ClicktheStartbuttontoopenthe
Startmenu,andthenclickSettings➙Network&Internet➙Wi-Fi.TurnontheWi-Fifeature.
•EnablethewirelessLANadapter.
1.DependingonyourWindowsversion,dooneofthefollowing:
–ForWindows7:ClickControlPanelontheStartmenu.
–ForWindows10:ClicktheStartbuttontoopentheStartmenu,andthenclickWindowsSystem
➙ControlPanel.
2.ViewControlPanelusinglargeiconsorsmallicons,andthenclickNetworkandSharingCenter➙
Changeadaptersettings.
3.Right-clickthewirelessLANadaptericonandclickEnable.
•UpdateorreinstallthewirelessLANdriver.See“Keepingthecomputercurrent”onpage20.
Bluetoothproblems
Note:TheBluetoothfeatureisoptional.
TheBluetoothfeaturedoesnotwork
Solutions:
•EnabletheBluetoothfeatureintheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”on
page27
•TurnontheBluetoothradios.
1.DependingonyourWindowsversion,dooneofthefollowing:
2.ClickDeviceManager.Typetheadministratorpasswordorprovideconfirmationifprompted.
3.Right-clickthedesiredBluetoothradiosunderBluetoothorBluetoothRadios,andthendoone
•EnabletheBluetoothadapter.
1.DependingonyourWindowsversion,dooneofthefollowing:
.Then,followtheinstructionsonthescreen.
–ForWindows7:ClicktheStartbuttontoopentheStartmenu.Right-clickComputer,andthen
clickProperties.
–ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu.
ofthefollowing:
–ForWindows7:ClickEnable.
–ForWindows10:ClickEnabledevice.
–ForWindows7:ClickControlPanelontheStartmenu.
–ForWindows10:ClicktheStartbuttontoopentheStartmenu,andthenclickWindowsSystem
➙ControlPanel.
38ThinkCentreM600UserGuide

2.ViewControlPanelusinglargeiconsorsmallicons,andthenclickNetworkandSharingCenter➙
Changeadaptersettings.
3.Right-clicktheBluetoothadaptericonandclickEnable.
•UpdateorreinstalltheBluetoothdriver.See“Keepingthecomputercurrent”onpage20.
SounddoesnotcomefromtheBluetoothheadsetorheadphones
Solution:SettheBluetoothheadsetorheadphonesasthedefaultdevice.
1.Exittheapplicationthatusesthesounddevice(forexample,WindowsMediaPlayer).
2.Right-clickthevolumeiconintheWindowsnotificationareaonthetaskbar.
Note:IfthevolumeiconisnotdisplayedintheWindowsnotificationarea,addtheicontothe
notificationarea.See“AddinganicontotheWindowsnotificationarea”onpage13
3.ClickPlaybackdevices.
4.IfyouareusingtheHeadsetprofile,selectBluetoothHands-freeAudio,andthenclickSetDefault.If
youareusingtheAVprofile,selectStereoAudio,andthenclickSetDefault.
5.ClickOK.
.
Performanceproblems
Thissectionprovidessolutionstoperformance-relatedproblemsofthecomputer.
Excessivenumberoffragmentedfiles
Solution:UsetheWindowsdiskdefragmentationordiskoptimizationfeaturetocleanupthefiles.
Note:Dependingonthevolumeofthestoragedrivesandamountofdatastoredonthestoragedrives,the
disk-defragmentationprocessmighttakeuptoseveralhours.
1.Closeanyopenprogramsandwindows.
2.ClicktheStartbuttontoopentheStartmenu.
3.DependingonyourWindowsversion,dooneofthefollowing:
•ForWindows7:ClickComputer.
•ForWindows10:ClickWindowsSystem➙FileExplorer➙ThisPC.
4.Right-clickyourCdriveandthenclickProperties.
5.ClicktheToolstab.
6.DependingonyourWindowsversion,dooneofthefollowing:
•ForWindows7:ClickDefragmentnow.
•ForWindows10:ClickOptimize.Selectthedesireddrive,andthenclickOptimize.
7.Followtheinstructionsonthescreen.
Insufficientfreestoragedrivespace
Solutions:Freeupstoragedrivespace.
•CleanoutyourInbox,SentItems,andDeletedItemsfoldersfromyoure-mailapplication.
•CleanupyourCdrive.
1.ClicktheStartbuttontoopentheStartmenu.
2.DependingonyourWindowsversion,dooneofthefollowing:
–ForWindows7:ClickComputer.
–ForWindows10:ClickWindowsSystem➙FileExplorer➙ThisPC.
3.Right-clickyourCdriveandthenclickProperties.
Chapter6.Troubleshooting,diagnostics,andrecovery39

4.Checktheamountoffreespace,andthenclickDiskCleanup.
5.Alistofunnecessaryfilecategoriesisdisplayed.Selecteachfilecategoryyouwanttodelete,
andthenclickOK.
•TurnsomeWindowsfeaturesofforremovesomeunnecessaryprograms.
1.DependingonyourWindowsversion,dooneofthefollowing:
–ForWindows7:ClickControlPanelontheStartmenu.
–ForWindows10:ClicktheStartbuttontoopentheStartmenu,andthenclickWindowsSystem
➙ControlPanel.
2.ViewControlPanelusinglargeiconsorsmallicons,andthenclickProgramsandFeatures.
3.Dooneofthefollowing:
–ToturnsomeWindowsfeaturesoff,clickTurnWindowsfeaturesonoroff.Followthe
instructionsonthescreen.
–Toremovesomeunnecessaryprograms,selecttheprogramyouwanttoremove,andthenclick
Uninstall/ChangeorUninstall.
Insufficientfreememoryspace
Solutions:
•Right-clickablankareaonthetaskbarandopenTaskManager.Then,endsometasksyouarenot
performing.
•Installadditionalmemorymodules.Topurchasememorymodules,goto
http://www.lenovo.com.
Serialconnectorcannotbeaccessed
Solutions:
•Connecttheserialcabletotheserialconnectoronthecomputerandtotheserialdevice.Iftheserial
devicehasitsownpowercord,connectthepowercordtoagroundedelectricaloutlet.
•Turnontheserialdeviceandkeepthedeviceonline.
•Installanyapplicationprogramssuppliedwiththeserialdevice.Refertothedocumentationthatcomes
withtheserialdeviceformoreinformation.
•Ifyouaddedoneserial-connectoradapter,installtheadaptercorrectly.
USBdeviceproblems
ThissectionprovidessolutionstoUSBdevice-relatedproblems.
MyUSBdevicecannotbeaccessed
Solutions:
•ConnecttheUSBcablefromtheUSBconnectortotheUSBdevice.IftheUSBdevicehasitsownpower
cord,connectthepowercordtoagroundedelectricaloutlet.
•TurnontheUSBdeviceandkeepthedeviceonline.
•InstallanydevicedriversorapplicationprogramssuppliedwiththeUSBdevice.Refertothe
documentationthatcomeswiththeUSBdeviceformoreinformation.
•DetachandreconnecttheUSBconnectortoresettheUSBdevice.
IcannotinstalltheWindows7operatingsystemusinganexternalUSBdevice
Solution:Gotohttp://www.lenovo.com/supporttodownloadandinstallUSBdrivers.
40ThinkCentreM600UserGuide

Softwareanddriverproblems
Thissectionprovidessolutionstosoftware-anddriver-relatedproblems.
Forsomeprograms,datescannotbesortedincorrectorder
Solution:Someprogramsdevelopedbeforetheyear2000useonlythelasttwodigitsofayeartosortdates,
assumingthefirsttwodigitsare19.Consequently,datescannotbesortedincorrectordernowadays.
Checkwithyoursoftwaremanufacturertoseeifanyupdatesareavailable.Manysoftwaremanufacturers
makeupdatesavailablefromtheWorldWideWeb.
Someapplicationprogramsdonotworkasexpected
Solutions:
1.Checkwhethertheproblemiscausedbyanapplicationprogram.
a.Ensurethatthesoftwareiscompatiblewiththecomputer.Refertotheinformationsuppliedwith
thesoftwareformoreinformation.
b.Verifythatothersoftwareworkscorrectlyonthecomputer.
c.Verifythatthesoftwareyouareusingworksonanothercomputer.
2.Iftheproblemiscausedbyanapplicationprogram:
•Refertotheprinteddocumentationthatcomeswiththeprogramorthehelpsystemoftheprogram.
•Updatetheprogram.See“Keepingthecomputercurrent”onpage20
•Uninstalltheprogramandthenreinstallit.Todownloadaprogramthatispreinstalledonthe
computer,gotohttp://www.lenovo.com/supportandfollowtheinstructionsonthescreen.
.
Adevicedoesnotworknormallyduetodevicedriverproblems
Solution:Updatethedevicedriver.See“Keepingthecomputercurrent”onpage20.
Diagnostics
Note:IfyouareusingaWindowsoperatingsystemotherthanWindows7orWindows10,goto
http://www.lenovo.com/diagsforthediagnosticsinformationforthecomputer.
Thediagnosticprogramisusedtotesthardwarecomponentsofthecomputer.Thediagnosticprogramalso
canreportoperating-system-controlledsettingsthatinterferewiththecorrectoperationofthecomputer.
LenovoSolutionCenter
TheLenovoSolutionCenterprogramisthediagnosticprogrampreinstalledonthecomputer.Theprogram
enablesyoutotroubleshootandresolvecomputerproblems.Itcombinesdiagnostictests,system
informationcollection,securitystatus,andsupportinformation,alongwithhintsandtipsformaximum
systemperformance.
ToopentheLenovoSolutionCenterprogram,see“Accessingaprogramonthecomputer”onpage10
moreinformationaboutusingtheprogram,refertothehelpsystemoftheprogram.
IfyouareunabletoisolateandrepairtheproblemyourselfafterrunningLenovoSolutionCenter,save
andprintthelogfilescreatedbytheprogram.YoumightneedthelogfileswhenyouspeaktoaLenovo
technicalsupportrepresentative.
.For
Recoveryinformation
Thissectionprovidesinstructionsabouthowtorecoveryouroperatingsystem.
Chapter6.Troubleshooting,diagnostics,andrecovery41

Note:Ifadevicedoesnotworknormallyafterrecoveringtheoperatingsystem,updatethedevicedriver.
See“Keepingthecomputercurrent”onpage20.
RecoveryinformationforWindows7
TorecoveryourWindows7operatingsystem,usethefollowingsolutions:
•UseWindowsrecoverysolutions.
–UseSystemRestoretorestoresystemfilesandsettingstoanearlierpoint.
1.ClicktheStartbuttontoopentheStartmenu.
2.ClickControlPanel.ViewControlPanelusinglargeiconsorsmallicons,andthenclickRecovery
➙OpenSystemRestore.
3.Followtheinstructionsonthescreen.
–UsetheWindowsrecoveryenvironmentbydoingoneofthefollowing:
–Afterseveralconsecutivefailedbootattempts,theWindowsrecoveryenvironmentmightstart
automatically.Followtheinstructionsonthescreentochoosetheappropriaterecoverysolution.
–Turnonorrestartthecomputer.Then,repeatedlypressandreleasetheF8keyuntiltheAdvanced
BootOptionswindowopens.SelectRepairYourComputer,pressEnter,andfollowtheinstructions
onthescreentochoosetheappropriaterecoverysolution.
Note:Forsomekeyboards,youmightneedtopressFn+F8toopentheAdvancedBootOptions
window.
•UsetheRescueandRecoveryprogramtorestorethestoragedrivefromabackup,orrestoretheC
drivetothefactory-defaultsettings.
Notes:
–Dependingonthecomputermodel,theRescueandRecoveryprogrammightnotbepreinstalled.You
needtoinstalleditmanuallyearlier.
–IfyouusetheRescueandRecoveryprogramtorestorethestoragedrivefromabackup,ensurethat
youbackedupyourdataearlierwiththeprogram.
TousetheRescueandRecoveryprogram,dooneofthefollowing:
–OpentheRescueandRecoveryprogram.See“Accessingaprogramonthecomputer”onpage10
Formoreinformationaboutusingtheprogram,refertothehelpsystemoftheprogram.
–OpentheRescueandRecoveryworkspace.
1.Turnoffthecomputer.PressandholdtheEnterkeyandthenturnonthecomputer.Releasethe
EnterkeywhenStartupInterruptMenuisdisplayed.Then,pressF11toopentheRescueand
Recoveryworkspace.
2.IftheRescueandRecoveryworkspacefailstoopen,usetherescuemediumyoucreatedearlierto
resolvetheproblem.Selecttherescuemediumasthestartupdevice.See“Selectingatemporary
startupdevice”onpage30.Whentherescuemediumstarts,theRescueandRecoveryworkspace
opens.Followtheinstructionsonthescreen.
•UsetherecoverymediumyoucreatedearlierwiththeCreateRecoveryMediaprogramtorestoreonly
theCdriveortheentirestoragedrivetothefactory-defaultsettings.
Note:Tocreatearecoverymedium,see“Goodmaintenancepractices”onpage19.
1.Selecttherecoverymediumasthestartupdevice.See“Selectingatemporarystartupdevice”
onpage30.
2.Followtheinstructionsonthescreentochoosetheappropriaterecoverysolution.
.
42ThinkCentreM600UserGuide

•UsetherecoverydiscsetprovidedbyLenovotorestoretheentirestoragedrivetothefactory-default
settings.
–Ifthecomputercomeswiththerecoverydiscset,followtheinstructionsshippedwiththediscset.
–Ifthecomputerdoesnotcomewiththerecoverydiscset,contacttheLenovoCustomerSupport
Centertoorderarecoverydiscset.See“Callingforservice”onpage68
.
RecoveryinformationforWindows10
TorecoveryourWindows10operatingsystem,usethefollowingsolutions:
•UseWindowsrecoverysolutions.
–UserecoverysolutionsinWindowsSettings.
1.ClicktheStartbuttontoopentheStartmenu.
2.ClickSettings➙Update&security➙Recovery.
3.Choosetheappropriaterecoverysolutionbyfollowingtheinstructionsonthescreen.
–UseSystemRestoretorestoresystemfilesandsettingstoanearlierpoint.
1.ClicktheStartbuttontoopentheStartmenu,andthenclickWindowsSystem➙ControlPanel.
2.ViewControlPanelusinglargeiconsorsmallicons,andthenclickRecovery➙OpenSystem
Restore.
3.Followtheinstructionsonthescreen.
–UsetheFileHistorytooltorestoreyourfilesfromabackup.
Note:IfyouusetheFileHistorytooltorestoreyourfilesfromabackup,ensurethatyoubackedup
yourdataearlierwiththetool.
1.ClicktheStartbuttontoopentheStartmenu,andthenclickWindowsSystem➙ControlPanel.
2.ViewControlPanelusinglargeiconsorsmallicons,andthenclickFileHistory➙Restore
personalfiles.
3.Followtheinstructionsonthescreen.
–UsetheWindowsrecoveryenvironmentbydoingoneofthefollowing:
–Afterseveralconsecutivefailedbootattempts,theWindowsrecoveryenvironmentmightstart
automatically.Followtheinstructionsonthescreentochoosetheappropriaterecoverysolution.
–SelecttherecoverymediumyoucreatedearlierwiththeWindowstoolasthestartupdevice.See
“Selectingatemporarystartupdevice”onpage30.Then,followtheinstructionsonthescreen
tochoosetheappropriaterecoverysolution.
Note:Tocreatearecoverymedium,see“Goodmaintenancepractices”onpage19.
•UsetherecoveryUSBkeyprovidedbyLenovotorestoretheentirestoragedrivetothefactory-default
settings.
–IfthecomputercomeswiththerecoveryUSBkey,followtheinstructionsshippedwiththeUSBkey.
–IfthecomputerdoesnotcomewiththerecoveryUSBkey,contacttheLenovoCustomerSupport
CentertoorderarecoveryUSBkey.See“Callingforservice”onpage68
.
Chapter6.Troubleshooting,diagnostics,andrecovery43

44ThinkCentreM600UserGuide

Chapter7.Installingorreplacinghardware
Thischaptercontainsthefollowingtopics:
•“Handlingstatic-sensitivedevices”onpage45
•“Installingorreplacinghardware”onpage45
Handlingstatic-sensitivedevices
Donotopenthestatic-protectivepackagecontainingthenewpartuntilthedefectiveparthasbeenremoved
andyouarereadytoinstallthenewpart.Staticelectricity,althoughharmlesstoyou,canseriouslydamage
computercomponentsandparts.
Whenyouhandlepartsandothercomputercomponents,taketheseprecautionstoavoidstatic-electricity
damage:
•Limityourmovement.Movementcancausestaticelectricitytobuilduparoundyou.
•Alwayshandlepartsandothercomputercomponentscarefully.HandlePCI/PCI-Expresscards,memory
modules,systemboards,andmicroprocessorsbytheedges.Nevertouchanyexposedcircuitry.
•Preventothersfromtouchingthepartsandothercomputercomponents.
•Touchthestatic-protectivepackagecontainingtheparttoametalexpansion-slotcoverorother
unpaintedmetalsurfaceonthecomputerforatleasttwoseconds.Thisreducesstaticelectricityfrom
thepackageandyourbodybeforeyouinstallorreplaceanewpart.
•Whenpossible,removethenewpartfromthestatic-protectivepackage,andinstallitdirectlyinthe
computerwithoutsettingthepartdown.Whenthisisnotpossible,placethestatic-protectivepackage
thatthepartcameinonasmooth,levelsurfaceandplacethepartonthepackage.
•Donotplacethepartonthecomputercoverorothermetalsurface.
Installingorreplacinghardware
Thissectionprovidesinstructionsonhowtoinstallorreplacehardwareforthecomputer.Y oucanexpand
thecapabilitiesofthecomputerandmaintainthecomputerbyinstallingorreplacinghardware.
Attention:Donotopenthecomputerorattemptanyrepairbeforereadingandunderstandingthe“Read
thisfirst:Importantsafetyinformation”onpageiii
Notes:
•Someofthehardwarepartsinthissectionareoptional.
•UsecomputerpartsprovidedonlybyLenovo.
•Wheninstallingorreplacinganoption,usetheappropriateinstructionsinthissectionalongwiththe
instructionsthatcomewiththeoption.
•Inmostareasoftheworld,LenovorequiresthereturnofthedefectiveCRU.Informationaboutthiswill
comewiththeCRUorwillcomeafewdaysaftertheCRUarrives.
.
Installingexternaloptions
Youcanconnectexternaloptionstothecomputer,suchasexternalspeakers,aprinter,orascanner.For
someexternaloptions,youmustinstalladditionalsoftwareinadditiontomakingthephysicalconnection.
Wheninstallinganexternaloption,see“Hardwarelocations”onpage1toidentifytherequiredconnector.
©CopyrightLenovo2016,2017
45

Usetheinstructionsshippedwiththeoptiontohelpyoumaketheconnectionandinstallanysoftware
ordevicedriversthatarerequiredfortheoption.
Replacingthepoweradapter
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Read
thisfirst:Importantsafetyinformation”onpageiii.
Toreplacethepoweradapter,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Ifthepoweradapterbracketisavailable,removethepoweradapterbracket.See“Replacingthe
poweradapterbracket”onpage51.
3.Disconnectthepoweradapterfromthecomputer.
Figure7.Removingthepoweradapter
46ThinkCentreM600UserGuide

4.Connectthenewpoweradaptertothepoweradapterconnectorattherearofyourcomputerand
aworkableelectricaloutlet.
Figure8.Installingthepoweradapter
5.Ifthepoweradapterbracketisavailable,installthepoweradapterbracket.See“Replacingthepower
adapterbracket”onpage51.
Replacingtheverticalstand
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Read
thisfirst:Importantsafetyinformation”onpageiii
Toreplacetheverticalstand,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
.
Chapter7.Installingorreplacinghardware47

2.Liftthecomputertoremoveitfromtheverticalstand.
Figure9.Removingthecomputerfromtheverticalstand
3.Aligntherearofthecomputerwiththerearofthenewverticalstandandpositionthecomputeron
theverticalstandasshown.
Figure10.Installingtheverticalstand
48ThinkCentreM600UserGuide

ReplacingtheVESAmountbracket
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Read
thisfirst:Importantsafetyinformation”onpageiii.
Note:IfyourcomputercomeswithaVESAmountbracket,donotinstalladustshield.
ToreplacetheVESAmountbracket,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Ifthepoweradapterbracketisavailable,removethepoweradapterbracket.See“Replacingthe
poweradapterbracket”onpage51
3.RemovethetwoscrewsthatsecuretheVESAmountbrackettothecomputer.
.
Figure11.RemovingtheVESAmountbracketscrews
Chapter7.Installingorreplacinghardware49

4.SlidethecomputerfromthefrontoftheVESAmountbrackettoremovetheVESAmountbracket
fromthecomputer.
Figure12.RemovingtheVESAmountbracket
5.SlidethecomputerintothenewVESAmountbracket.
Figure13.InstallingtheVESAmountbracket
50ThinkCentreM600UserGuide

6.InstallthetwoscrewstosecuretheVESAmountbrackettothecomputer.
Figure14.InstallingtheVESAmountbracketscrews
7.Ifthepoweradapterbracketisavailable,installthepoweradapterbracket.See“Replacingthepower
adapterbracket”onpage51.
Replacingthepoweradapterbracket
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Read
thisfirst:Importantsafetyinformation”onpageiii.
Note:ThepoweradapterbracketisinstalledontheVideoElectronicsStandardsAssociation(VESA)mount
bracket.
Toreplacethepoweradapterbracket,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
Chapter7.Installingorreplacinghardware51

2.Pullthetab1andthenslidethepoweradapterbracketasshowntoremoveitfromtheVESAmount
bracket.
Figure15.Removingthepoweradapterbracket
3.Removethepoweradapterfromthepoweradapterbracket.
4.Slidethepoweradapterintothenewpoweradapterbracket.Ensurethatthepoweradapterissecured
bythebracket.
52ThinkCentreM600UserGuide

5.AlignthetwotabsonthepoweradapterbracketwiththeslotsintheVESAmountbracket.Then,slide
thepoweradapterbracketasshowntoinstallitontheVESAmountbracket.
Figure16.Installingthepoweradapterbracket
Removingthecomputercover
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Read
thisfirst:Importantsafetyinformation”onpageiii.
CAUTION:
Beforeyouopenthecomputercover,turnoffthecomputerandwaitseveralminutesuntilthe
computeriscool.
Toremovethecomputercover,dothefollowing:
1.Removeanymediafromthedrivesandturnoffallconnecteddevicesandthecomputer.Then,
disconnectallpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothe
computer.
2.Holdthesidesofyourcomputerandgentlylayitdownsothatthecomputercoverisfacingup.
3.Unlockanylockingdevicethatsecuresthecomputercover.
Chapter7.Installingorreplacinghardware53

4.Removethescrewthatsecuresthecomputercover.
Figure17.Removingthecomputercoverscrew
54ThinkCentreM600UserGuide

5.Slidethecomputercovertothefrontofthecomputerasmallamount.Then,liftthecomputercoverto
removeitfromthecomputer.
Figure18.Removingthecomputercover
Figure19.Removingthecomputercover
Replacingtheheatsink
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Read
thisfirst:Importantsafetyinformation”onpageiii.
Chapter7.Installingorreplacinghardware55

CAUTION:
Theheatsinkmightbeveryhot.Beforeyouopenthecomputercover,turnoffthecomputerand
waitseveralminutesuntilthecomputeriscool.
Toreplacetheheatsink,dothefollowing:
1.Removeanymediafromthedrivesandturnoffallconnecteddevicesandthecomputer.Then,
disconnectallpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothe
computer.
2.Removethecomputercover.See“Removingthecomputercover”onpage53.
3.Loosenthefourscrewsthatsecuretheheatsinktothesystemboardinthesequencefrom4to1.
Note:Carefullyremovethefourscrewsfromthesystemboardtoavoidanypossibledamagetothe
systemboard.Thefourscrewscannotberemovedfromtheheatsink.
Figure20.Removingtheheatsink
4.Liftthefailingheatsinkoffthesystemboard.
Notes:
•Youmighthavetogentlytwisttheheatsinktofreeitfromthemicroprocessor.
•Donottouchthethermalgreasewhilehandlingtheheatsink.
56ThinkCentreM600UserGuide

5.Positionthenewheatsinkonthesystemboardsothatandthefourscrewsalignwiththecorresponding
mountingstudsonthesystemboard,andthetwostandoffs5ontheI/Obracketalignwiththe
correspondingholesintheheatsink.Then,Tightenthefourscrewsinthesequencefrom1to4.Do
notover-tightenthescrews.
Note:Ensurethatthethermalpadisstucktotheheatsinkbeforeyouinstallit.
Figure21.Installingtheheatsink
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage64.
ReplacingtheI/Obracket
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Read
thisfirst:Importantsafetyinformation”onpageiii.
ToreplacetheI/Oboard,dothefollowing:
1.Removeanymediafromthedrivesandturnoffallconnecteddevicesandthecomputer.Then,
disconnectallpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothe
computer.
2.Removethecomputercover.See“Removingthecomputercover”onpage53.
Chapter7.Installingorreplacinghardware57

3.Removetheheatsink.See“Replacingtheheatsink”onpage55.
4.NotetheroutingoftheI/Oboardcable,andthendisconnectthecablefromtheI/Oboard.
5.RemovethethreescrewsthatsecuretheI/OboardtotheI/Obracket.
Figure22.RemovingtheI/Oboardscrews
6.PivottheedgeoftheI/Oboardslightlyupwardsasshown,andthenlifttheI/OboardofftheI/Obracket.
Figure23.RemovingtheI/Oboard
58ThinkCentreM600UserGuide

7.RemovethefivescrewsthatsecuretheI/Obrackettothechassis.
Figure24.RemovingtheI/Obracketscrews
8.RemovetheI/Obracketfromthechassisasshown.
Figure25.RemovingtheI/Obracket
Chapter7.Installingorreplacinghardware59

9.PositionthenewI/Obracketoverthechassis,andthenslidetheI/Obracketbackwardsasshown,until
itsnapsintoposition.
Figure26.InstallingtheI/Obracket
10.InstallthefivescrewstosecuretheI/Obrackettothechassis.
11.PositiontheI/OboardovertheI/Obracketsothatthethreescrewholes1intheI/Obracketalignwith
thestandoffsonthebracket.
Figure27.InstallingtheI/Oboard
12.InstallthethreescrewstosecuretheI/OboardtotheI/Obracket.
13.RoutetheI/Oboardcable,andthenconnectthecabletotheI/Oboard.
14.Installtheheatsink.See“Replacingtheheatsink”onpage55.
60ThinkCentreM600UserGuide

Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage64.
Replacingthememorymodule
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Read
thisfirst:Importantsafetyinformation”onpageiii.
Toreplacethememorymodule,dothefollowing:
1.Removeanymediafromthedrivesandturnoffallconnecteddevicesandthecomputer.Then,
disconnectallpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothe
computer.
2.Removethecomputercover.See“Removingthecomputercover”onpage53.
3.Removetheheatsink.See“Replacingtheheatsink”onpage55.
4.Locatethememorymodule.See“Computercomponents”onpage5.
5.Opentheretainingclipsandgentlypullthememorymoduleoutofthememoryslot.
Figure28.Removingthememorymodule
6.Insertthenotchedend2ofthenewmemorymoduleintotheslot1.Pressthememorymodule
firmlyandpivotthememorymoduleuntilitsnapsintoplace.Makesurethatthememorymoduleis
securedintheslotanddoesnotmoveeasily.
Figure29.Installingthememorymodule
Chapter7.Installingorreplacinghardware61

7.Installtheheatsink.See“Replacingtheheatsink”onpage55.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage64.
Replacingtheinternalspeaker
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Read
thisfirst:Importantsafetyinformation”onpageiii.
Toreplacetheinternalspeaker,dothefollowing:
1.Removeanymediafromthedrivesandturnoffallconnecteddevicesandthecomputer.Then,
disconnectallpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothe
computer.
2.Removethecomputercover.See“Removingthecomputercover”onpage53.
3.Removetheheatsink.See“Replacingtheheatsink”onpage55.
4.Disconnecttheinternalspeakercablefromtheinternalspeakerconnectoronthesystemboard.See
“Partsonthesystemboard”onpage6.
5.Pressthetab1thatsecurestheinternalspeakerasshown,andthenlifttheinternalspeakeroutof
theinternalspeakerholder.
Figure30.Removingtheinternalspeaker
62ThinkCentreM600UserGuide

6.Insertthenewinternalspeakerintotheinternalspeakerholderuntilthenewinternalspeakersnapsinto
positionandissecuredbythetab1.
Figure31.Installingtheinternalspeaker
7.Securethecableofthenewinternalspeakerintheretainingcliponthesideoftheinternalspeaker
holderasshown.
Figure32.Securingtheinternalspeakercable
Chapter7.Installingorreplacinghardware63

8.Connectthecableofthenewinternalspeakertotheinternalspeakerconnectoronthesystemboard.
See“Partsonthesystemboard”onpage6.
9.Installtheheatsink.See“Replacingtheheatsink”onpage55.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage64.
Completingthepartsreplacement
Aftercompletingtheinstallationorreplacementforallparts,reinstallthecomputercoverandreconnect
cables.Dependingonthepartsyouinstalledorreplaced,youmightneedtoconfirmtheupdatedinformation
intheSetupUtilityprogram.Referto“UsingtheSetupUtilityprogram”onpage27
Toreinstallthecomputercoverandreconnectcablestoyourcomputer,dothefollowing:
1.Ensurethatallcomponentshavebeenreassembledcorrectlyandthatnotoolsorloosescrewsareleft
insideyourcomputer.See“Computercomponents”onpage5forthelocationsofvariouscomponents
inyourcomputer.
2.Ensurethatthecablesareroutedcorrectlybeforereinstallingthecomputercover.Keepcablesclearof
thehingesandsidesofthecomputerchassistoavoidinterferencewithreinstallingthecomputercover.
3.Positionthecomputercoveronthechassissothattherailguidesonthebottomofthecomputer
coverengagetherailsonthechassis.Then,pushthecovertotherearofthecomputeruntilitsnaps
intoposition.
.
64ThinkCentreM600UserGuide

Figure33.Installingthecomputercover
4.Installthescrewstosecurethecomputercover.
Chapter7.Installingorreplacinghardware65

5.Placethecomputerinanuprightposition.
6.Ifalockingdeviceisavailable,useittolockthecomputer.See“Lockingthecomputer”onpage23.
7.Reconnecttheexternalcablesandpowercordstothecorrespondingconnectorsonthecomputer.
See“Hardwarelocations”onpage1.
8.Updateyourconfiguration.See“UsingtheSetupUtilityprogram”onpage27.
9.Ifanewlyinstalledhardwarecomponentdoesnotworknormally,updatethedevicedriver.See
“Keepingthecomputercurrent”onpage20.
66ThinkCentreM600UserGuide

Chapter8.Gettinginformation,help,andservice
Thischaptercontainsthefollowingtopics:
•“Informationresources”onpage67
•“Helpandservice”onpage68
Informationresources
Youcanusetheinformationinthissectiontoaccessusefulresourcesrelatingtoyourcomputingneeds.
Accessingtheuserguideinvariouslanguages
Toaccesstheuserguideinvariouslanguages,goto:
http://www.lenovo.com/UserManuals
Windowshelpsystem
Note:IfyouusetheonlinehelpforWindows7orthehelpforWindows10,ensurethatthecomputer
isconnectedtotheInternet.
TheWindowshelpsystemprovidesyouwithdetailedinformationaboutusingtheWindowsoperatingsystem.
ToaccesstheWindowshelpsystem,dothefollowing:
1.ClicktheStartbuttontoopentheStartmenu.
2.DependingonyourWindowsversion,dooneofthefollowing:
•ForWindows7:ClickHelpandSupport.Youcanchoosetousetheonlineorofflinehelpatthe
bottomofthescreen.
•ForWindows10:ClickGetHelp.
Safetyandwarranty
•TheSafetyandWarrantyGuideprovidedwiththecomputercontainsimportantsafetyinformation,
productwarrantyterms,andlegalnotices.
•Theprefaceinthisdocumentcontainsadditionalsafetyinformationthatappliestotopicsandtasks
describedinthisdocument.
Ensurethatyoureadandunderstandallsafetyinformationbeforeusingthecomputer.
LenovoWebsite
TheLenovoWebsite(http://www.lenovo.com)providesup-to-dateinformationandservicestohelpyoubuy,
upgrade,andmaintainthecomputer.Youalsocandothefollowing:
•Shopfordesktopandnotebookcomputers,monitors,projectors,upgradesandaccessoriesforthe
computer,andspecialoffers.
•Purchaseadditionalservices,suchassupportforhardware,operatingsystems,applicationprograms,
networksetupandconfiguration,andcustominstallations.
•Purchaseupgradesandextendedhardwarerepairservices.
•Accesstroubleshootingandsupportinformationforthecomputermodelandothersupportedproducts.
©CopyrightLenovo2016,2017
67

•FindaServiceProviderlocatednearyou.
LenovoSupportWebsite
TechnicalsupportinformationisavailableontheLenovoSupportWebsiteat:
http://www.lenovo.com/support
ThisWebsiteisupdatedwiththelatestsupportinformationsuchasthefollowing:
•Diagnosticsolutions
•Driversandsoftware
•Knowledgebaseandfrequentlyaskedquestions
•Latestelectronicmanuals
•LenovoSupportphonenumbers
•Productandpartsdetails
•Productandservicewarranty
Frequentlyaskedquestions
Fortheanswerstofrequentlyaskedquestionsaboutthecomputer,goto:
http://www.lenovo.com/support/faq
Helpandservice
Thissectionprovidesinformationaboutobtaininghelpandservice.
Callingforservice
Duringthewarrantyperiod,youcangethelpandinformationbytelephonethroughtheCustomerSupport
Center.Forthewarrantyperiodofthecomputer,gotohttp://www.lenovo.com/warranty-status.Foralistof
LenovoSupportphonenumbers,gotohttp://www.lenovo.com/support/phone.
Note:Phonenumbersaresubjecttochangewithoutnotice.Ifthenumberforyourcountryorregionisnot
provided,contactyourLenovoresellerorLenovomarketingrepresentative.
Thefollowingservicesareavailableduringthewarrantyperiod:
•Problemdetermination-Trainedservicepersonnelareavailabletoassistyouwithdetermininga
hardwareproblemanddecidingwhatactionisnecessarytofixtheproblem.
•Hardwarerepair-Iftheproblemiscausedbyhardwareunderwarranty,trainedservicepersonnelare
availabletoprovidetheapplicablelevelofservice.
•EngineeringChangemanagement-Theremightbechangesthatarerequiredafteraproducthas
beensold.LenovooryourresellerwillmakeselectedEngineeringChanges(ECs)thatapplytoyour
hardwareavailable.
Theseitemsarenotcoveredbythewarranty:
•ReplacementoruseofpartsnotmanufacturedfororbyLenovoornon-warrantedLenovoparts
•Identificationofsoftwareproblemsources
•ConfigurationofBIOSaspartofaninstallationorupgrade
•Changes,modifications,orupgradestodevicedrivers
•Installationandmaintenanceofnetworkoperatingsystems(NOS)
•Installationandmaintenanceofapplicationprograms
Ifpossible,beatthecomputerwhenyoucall.Havethefollowinginformationavailable:
68ThinkCentreM600UserGuide

•Machinetypeandmodel
•Serialnumbersofyourhardwareproducts
•Descriptionoftheproblem
•Exactwordingofanyerrormessages
•Hardwareandsoftwareconfigurationinformation
Usingotherservices
Youmighttravelwiththecomputerorrelocateittoacountryorregionwherethemachinetypeforyour
desktopornotebookcomputerissold.Insuchasituation,thecomputermightbeeligibleforInternational
WarrantyService,whichautomaticallyentitlesyoutoobtainwarrantyservicethroughoutthewarrantyperiod.
Servicewillbeperformedbyserviceprovidersauthorizedtoperformwarrantyservice.
Servicemethodsandproceduresvarybycountry,andsomeservicesmightnotbeavailableinallcountries.
InternationalWarrantyServiceisdeliveredthroughthemethodofservice(suchasdepot,carry-in,or
on-siteservice)thatisprovidedintheservicingcountry.Servicecentersincertaincountriesmightnotbe
abletoserviceallmodelsofaparticularmachinetype.Insomecountries,feesandrestrictionsmight
applyatthetimeofservice.
TodeterminewhetherthecomputeriseligibleforInternationalWarrantyServiceandtoviewalistofthe
countriesorregionswhereserviceisavailable,gotohttp://www.lenovo.com/support.
FortechnicalassistancewiththeinstallationoforquestionsrelatedtoServicePacksforyourpreinstalled
MicrosoftWindowsproduct,gototheMicrosoftProductSupportWebsiteathttp://support.microsoft.com.
YoualsocancontacttheLenovoCustomerSupportCenterforhelp.Somefeesmightapply.
Purchasingadditionalservices
Duringandafterthewarrantyperiod,youcanpurchaseadditionalservices.Examplesoftheseadditional
servicesinclude:
•Supportforhardware,operatingsystems,andapplicationprograms
•Networksetupandconfigurationservices
•Upgradedorextendedhardwarerepairservices
•Custominstallationservices
Serviceavailabilityandservicenamemightvarybycountryorregion.Formoreinformationaboutthese
services,gototheLenovoWebsiteat:
http://www.lenovo.com
Chapter8.Gettinginformation,help,andservice69

70ThinkCentreM600UserGuide

AppendixA.Regulatoryinformation
Thelatestcomplianceinformationisavailableathttp://www.lenovo.com/compliance.
Exportclassificationnotice
ThisproductissubjecttotheUnitedStatesExportAdministrationRegulations(EAR)andhasanExport
ClassificationControlNumber(ECCN)of5A992.c.Itcanbere-exportedexcepttoanyoftheembargoed
countriesintheEARE1countrylist.
Electronicemissionsnotices
ThefollowinginformationreferstoLenovopersonalcomputermachinetypes10GJand10GK.
FederalCommunicationsCommissionDeclarationofConformity
ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigitaldevice,pursuant
toPart15oftheFCCRules.Theselimitsaredesignedtoprovidereasonableprotectionagainstharmful
interferenceinaresidentialinstallation.Thisequipmentgenerates,uses,andcanradiateradiofrequency
energyand,ifnotinstalledandusedinaccordancewiththeinstructions,maycauseharmfulinterference
toradiocommunications.However,thereisnoguaranteethatinterferencewillnotoccurinaparticular
installation.Ifthisequipmentdoescauseharmfulinterferencetoradioortelevisionreception,whichcanbe
determinedbyturningtheequipmentoffandon,theuserisencouragedtotrytocorrecttheinterferenceby
oneormoreofthefollowingmeasures:
•Reorientorrelocatethereceivingantenna.
•Increasetheseparationbetweentheequipmentandreceiver.
•Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiverisconnected.
•Consultanauthorizeddealerorservicerepresentativeforhelp.
Lenovoisnotresponsibleforanyradioortelevisioninterferencecausedbyusingotherthanspecifiedor
recommendedcablesandconnectorsorbyunauthorizedchangesormodificationstothisequipment.
Unauthorizedchangesormodificationscouldvoidtheuser'sauthoritytooperatetheequipment.
ThisdevicecomplieswithPart15oftheFCCRules.Operationissubjecttothefollowingtwoconditions:(1)
thisdevicemaynotcauseharmfulinterference,and(2)thisdevicemustacceptanyinterferencereceived,
includinginterferencethatmaycauseundesiredoperation.
ResponsibleParty:
Lenovo(UnitedStates)Incorporated
1009ThinkPlace-BuildingOne
Morrisville,NC27560
PhoneNumber:919-294-5900
IndustryCanadaClassBemissioncompliancestatement
CANICES-3(B)/NMB-3(B)
EuropeanUnionconformity
©CopyrightLenovo2016,2017
71

EUContact:Lenovo,Einsteinova21,85101Bratislava,Slovakia
Modelswithoutaradiodevice:ThisproductisinconformitywiththeprotectionrequirementsofEU
CouncilEMCDirective2014/30/EUontheapproximationofthelawsoftheMemberStatesrelatingto
electromagneticcompatibility.
Modelswitharadiodevice:Thisproductisinconformitywithalltherequirementsandessentialnormsthat
applytoEUCouncilR&TTEDirective1999/5/EC(untilJune12,2017)andCouncilRadioEquipmentDirective
2014/53/EU(fromJune13,2017)ontheapproximationofthelawsoftheMemberStatesrelatingtoradio
equipment.ThefulltextofthesystemEUdeclarationofconformityandtheEUwirelessmoduledeclarations
areavailableatthefollowingInternetaddress:
http://www.lenovo.com/social_responsibility/us/en/eu_doc_desktops/
Lenovocannotacceptresponsibilityforanyfailuretosatisfytheprotectionrequirementsresultingfrom
anon-recommendedmodificationoftheproduct,includingtheinstallationofoptioncardsfromother
manufacturers.ThisproducthasbeentestedandfoundtocomplywiththelimitsforClassBequipment
accordingtoEuropeanStandardsharmonizedintheDirectivesincompliance.ThelimitsforClassB
equipmentwerederivedfortypicalresidentialenvironmentstoprovidereasonableprotectionagainst
interferencewithlicensedcommunicationdevices.
GermanClassBcompliancestatement
DeutschsprachigerEUHinweis:
HinweisfürGerätederKlasseBEURichtliniezurElektromagnetischenVerträglichkeit
DiesesProduktentsprichtdenSchutzanforderungenderEURichtlinie2014/30/EUzurAngleichungder
RechtsvorschriftenüberdieelektromagnetischeVerträglichkeitindenEU-Mitgliedsstaatenundhältdie
GrenzwertederKlasseBderNormgemäßRichtlinie.
Umdiesessicherzustellen,sinddieGerätewieindenHandbüchernbeschriebenzuinstallierenundzu
betreiben.DesWeiterendürfenauchnurvonderLenovoempfohleneKabelangeschlossenwerden.
LenovoübernimmtkeineVerantwortungfürdieEinhaltungderSchutzanforderungen,wenndasProdukt
ohneZustimmungderLenovoverändertbzw.wennErweiterungskomponentenvonFremdherstellernohne
EmpfehlungderLenovogesteckt/eingebautwerden.
Deutschland:
EinhaltungdesGesetzesüberdieelektromagnetischeVerträglichkeitvonBetriebsmitteln
DiesesProduktentsprichtdem„GesetzüberdieelektromagnetischeVerträglichkeitvonBetriebsmitteln“
EMVG(früher„GesetzüberdieelektromagnetischeVerträglichkeitvonGeräten“).DiesistdieUmsetzungder
EMVEURichtlinie2014/30/EUinderBundesrepublikDeutschland.
ZulassungsbescheinigunglautdemDeutschenGesetzüberdieelektromagnetischeVerträglichkeit
vonBetriebsmitteln,EMVGvom20.Juli2007(früherGesetzüberdieelektromagnetische
VerträglichkeitvonGeräten),bzw.derEMVEURichtlinie2014/30/EU,fürGerätederKlasseB.
DiesesGerätistberechtigt,inÜbereinstimmungmitdemDeutschenEMVGdasEG-Konformitätszeichen
-CE-zuführen.VerantwortlichfürdieKonformitätserklärungnachParagraf5desEMVGistdieLenovo
(Deutschland)GmbH,Meitnerstr.9,D-70563Stuttgart.
InformationeninHinsichtEMVGParagraf4Abs.(1)4:
DasGeräterfülltdieSchutzanforderungennachEN55024undEN55032KlasseB.
72ThinkCentreM600UserGuide

JapanVCCIClassBcompliancestatement
Japancompliancestatementforproductswhichconnecttothepowermainswithratedcurrent
lessthanorequalto20Aperphase
Japannoticeforacpowercord
Theacpowercordshippedwithyourproductcanbeusedonlyforthisspecificproduct.Donotusetheac
powercordforotherdevices.
LenovoproductserviceinformationforT aiwan
KeyboardandmousecompliancestatementforT aiwan
Eurasiancompliancemark
Brazilaudionotice
Ouvirsonscommaisde85decibéisporlongosperíodospodeprovocardanosaosistemaauditivo.
Mexicowireless-radiocomplianceinformation
Advertencia:EnMexicolaoperacióndeesteequipoestásujetaalassiguientesdoscondiciones:(1)es
posiblequeesteequipoodispositivonocauseinterferenciaperjudicialy(2)esteequipoodispositivodebe
aceptarcualquierinterferencia,incluyendolaquepuedacausarsuoperaciónnodeseada.
Additionalregulatoryinformation
Foradditionalregulatoryinformation,refertotheRegulatoryNoticeshippedwiththecomputer.Depending
ontheconfigurationofthecomputerandthecountryorregionwherethecomputerwaspurchased,you
mighthavereceivedadditionalprintedregulatorynotices.Allregulatorynoticesareavailableonthe
LenovoSupportWebsiteinelectronicformat.Toaccesselectroniccopiesofthedocumentation,goto
http://www.lenovo.com/UserManuals.
AppendixA.Regulatoryinformation73

74ThinkCentreM600UserGuide

AppendixB.WEEEandrecyclinginformation
Lenovoencouragesownersofinformationtechnology(IT)equipmenttoresponsiblyrecycletheir
equipmentwhenitisnolongerneeded.Lenovooffersavarietyofprogramsandservicestoassist
equipmentownersinrecyclingtheirITproducts.ForinformationonrecyclingLenovoproducts,goto
http://www.lenovo.com/recycling.Thelatestenvironmentalinformationaboutourproductsisavailableat
http://www.lenovo.com/ecodeclaration.
ImportantWEEEinformation
TheWEEEmarkingonLenovoproductsappliestocountrieswithWEEEande-wasteregulations(for
example,theEuropeanWEEEDirective,IndiaE-WasteManagement&HandlingRules).Appliancesare
labeledinaccordancewithlocalregulationsconcerningwasteelectricalandelectronicequipment(WEEE).
Theseregulationsdeterminetheframeworkforthereturnandrecyclingofusedappliancesasapplicable
withineachgeography.Thislabelisappliedtovariousproductstoindicatethattheproductisnottobe
thrownaway,butratherputintheestablishedcollectionsystemsforreclaimingtheseendoflifeproducts.
Usersofelectricalandelectronicequipment(EEE)withtheWEEEmarkingmustnotdisposeofendoflife
EEEasunsortedmunicipalwaste,butusethecollectionframeworkavailabletothemforthereturn,recycle,
andrecoveryofWEEEandtominimizeanypotentialeffectsofEEEontheenvironmentandhumanhealth
duetothepresenceofhazardoussubstances.Lenovoelectricalandelectronicequipment(EEE)maycontain
partsandcomponents,whichatend-of-lifemightqualifyashazardouswaste.
EEEandwasteelectricalandelectronicequipment(WEEE)canbedeliveredfreeofchargetotheplaceof
saleoranydistributorthatsellselectricalandelectronicequipmentofthesamenatureandfunctionas
theusedEEEorWEEE.
ForadditionalWEEEinformation,goto:
http://www.lenovo.com/recycling
WEEEinformationforHungary
Lenovo,asaproducer,bearsthecostincurredinconnectionwiththefulfillmentofLenovo’sobligations
underHungaryLawNo.197/2014(VIII.1.)subsections(1)-(5)ofsection12.
RecyclinginformationforJapan
CollectingandrecyclingadisusedLenovocomputerormonitor
IfyouareacompanyemployeeandneedtodisposeofaLenovocomputerormonitorthatistheproperty
ofthecompany,youmustdosoinaccordancewiththeLawforPromotionofEffectiveUtilizationof
Resources.Computersandmonitorsarecategorizedasindustrialwasteandshouldbeproperlydisposed
ofbyanindustrialwastedisposalcontractorcertifiedbyalocalgovernment.InaccordancewiththeLaw
©CopyrightLenovo2016,2017
75

forPromotionofEffectiveUtilizationofResources,LenovoJapanprovides,throughitsPCCollecting
andRecyclingServices,forthecollecting,reuse,andrecyclingofdisusedcomputersandmonitors.For
details,visittheLenovoWebsiteathttp://www.lenovo.com/recycling/japan.PursuanttotheLawfor
PromotionofEffectiveUtilizationofResources,thecollectingandrecyclingofhome-usedcomputers
andmonitorsbythemanufacturerwasbegunonOctober1,2003.Thisserviceisprovidedfreeof
chargeforhome-usedcomputerssoldafterOctober1,2003.Fordetails,visittheLenovoWebsiteat
http://www.lenovo.com/recycling/japan.
DisposingofLenovocomputercomponents
SomeLenovocomputerproductssoldinJapanmayhavecomponentsthatcontainheavymetalsorother
environmentalsensitivesubstances.Toproperlydisposeofdisusedcomponents,suchasaprintedcircuit
boardordrive,usethemethodsdescribedaboveforcollectingandrecyclingadisusedcomputerormonitor.
DisposingofdisusedlithiumbatteriesfromLenovocomputers
Abutton-shapedlithiumbatteryisinstalledinsideyourLenovocomputertoprovidepowertothecomputer
clockwhilethecomputerisoffordisconnectedfromthemainpowersource.Ifyouneedtoreplaceitwitha
newone,contactyourplaceofpurchaseorcontactLenovoforservice.Ifyouneedtodisposeofadisused
lithiumbattery,insulateitwithvinyltape,contactyourplaceofpurchaseoranindustrial-waste-disposal
operator,andfollowtheirinstructions.Disposalofalithiumbatterymustcomplywithlocalordinances
andregulations.
RecyclinginformationforBrazil
DeclaraçõesdeReciclagemnoBrasil
DescartedeumProdutoLenovoForadeUso
Equipamentoselétricoseeletrônicosnãodevemserdescartadosemlixocomum,masenviadosàpontosde
coleta,autorizadospelofabricantedoprodutoparaquesejamencaminhadoseprocessadosporempresas
especializadasnomanuseioderesíduosindustriais,devidamentecertificadaspelosorgãosambientais,de
acordocomalegislaçãolocal.
ALenovopossuiumcanalespecíficoparaauxiliá-lonodescartedessesprodutos.Casovocêpossua
umprodutoLenovoemsituaçãodedescarte,ligueparaonossoSACouencaminheume-mailpara:
reciclar@lenovo.com,informandoomodelo,númerodesérieecidade,afimdeenviarmosasinstruções
paraocorretodescartedoseuprodutoLenovo.
BatteryrecyclinginformationforT aiwan
76ThinkCentreM600UserGuide

BatteryrecyclinginformationfortheEuropeanUnion
Notice:ThismarkappliesonlytocountrieswithintheEuropeanUnion(EU).
BatteriesorpackagingforbatteriesarelabeledinaccordancewithEuropeanDirective2006/66/EC
concerningbatteriesandaccumulatorsandwastebatteriesandaccumulators.TheDirectivedeterminesthe
frameworkforthereturnandrecyclingofusedbatteriesandaccumulatorsasapplicablethroughoutthe
EuropeanUnion.Thislabelisappliedtovariousbatteriestoindicatethatthebatteryisnottobethrown
away,butratherreclaimeduponendoflifeperthisDirective.
InaccordancewiththeEuropeanDirective2006/66/EC,batteriesandaccumulatorsarelabeledtoindicate
thattheyaretobecollectedseparatelyandrecycledatendoflife.Thelabelonthebatterymayalso
includeachemicalsymbolforthemetalconcernedinthebattery(Pbforlead,Hgformercury,andCdfor
cadmium).Usersofbatteriesandaccumulatorsmustnotdisposeofbatteriesandaccumulatorsasunsorted
municipalwaste,butusethecollectionframeworkavailabletocustomersforthereturn,recycling,and
treatmentofbatteriesandaccumulators.Customerparticipationisimportanttominimizeanypotential
effectsofbatteriesandaccumulatorsontheenvironmentandhumanhealthduetothepotentialpresenceof
hazardoussubstances.
Beforeplacingelectricalandelectronicequipment(EEE)inthewastecollectionstreamorinwastecollection
facilities,theenduserofequipmentcontainingbatteriesand/oraccumulatorsmustremovethosebatteries
andaccumulatorsforseparatecollection.
DisposingoflithiumbatteriesandbatterypacksfromLenovoproducts
Acoin-celltypelithiumbatterymightbeinstalledinsideyourLenovoproduct.Youcanfinddetailsaboutthe
batteryintheproductdocumentation.Ifthebatteryneedstobereplaced,contactyourplaceofpurchaseor
contactLenovoforservice.Ifyouneedtodisposeofalithiumbattery,insulateitwithvinyltape,contact
yourplaceofpurchaseorawaste-disposaloperator,andfollowtheirinstructions.
DisposingofbatterypacksfromLenovoproducts
YourLenovodevicemightcontainalithium-ionbatterypackoranickelmetalhydridebatterypack.Y oucan
finddetailsonthebatterypackintheproductdocumentation.Ifyouneedtodisposeofabatterypack,
insulateitwithvinyltape,contactLenovosales,service,oryourplaceofpurchase,orawaste-disposal
operator,andfollowtheirinstructions.Youalsocanrefertotheinstructionsprovidedinthemanualsfor
yourproduct.
Forpropercollectionandtreatment,goto:
http://www.lenovo.com/lenovo/environment
AppendixB.WEEEandrecyclinginformation77

78ThinkCentreM600UserGuide

AppendixC.RestrictionofHazardousSubstances(RoHS)
Directive
Thelatestenvironmentalinformationisavailableathttp://www.lenovo.com/ecodeclaration.
EuropeanUnionRoHS
ThisLenovoproduct,withincludedparts(cables,cords,andsoon)meetstherequirementsofDirective
2011/65/EUontherestrictionoftheuseofcertainhazardoussubstancesinelectricalandelectronic
equipment(“RoHSrecast”or“RoHS2”).
FormoreinformationaboutLenovoworldwidecomplianceonRoHS,goto:
http://www.lenovo.com/social_responsibility/us/en/RoHS_Communication.pdf
TurkishRoHS
TheLenovoproductmeetstherequirementsoftheRepublicofTurkeyDirectiveontheRestrictionoftheUse
ofCertainHazardousSubstancesinWasteElectricalandElectronicEquipment(WEEE).
UkraineRoHS
IndiaRoHS
RoHScompliantasperE-waste(Management)Rules.
©CopyrightLenovo2016,2017
79

ChinaRoHS
TaiwanRoHS
80ThinkCentreM600UserGuide

AppendixD.ENERGYSTARmodelinformation
ENERGYSTAR
®
isajointprogramoftheU.S.EnvironmentalProtectionAgencyandtheU.S.Department
ofEnergyaimedatsavingmoneyandprotectingtheenvironmentthroughenergyefficientproductsand
practices.
LenovoisproudtoofferourcustomersproductswithanENERGYSTARcompliantdesignation.Some
modelsofthefollowingmachinetypeshavebeendesignedandtestedtoconformtotheENERGYSTAR
programrequirementforcomputersatthetimeofmanufacture:10GJand10GK.Formoreinformationabout
ENERGYSTARratingsforLenovocomputers,gotohttp://www.lenovo.com.
ByusingENERGYSTARcompliantproductsandtakingadvantageofthepower-managementfeaturesof
yourcomputer,youreducetheconsumptionofelectricity.Reducedelectricalconsumptioncontributesto
potentialfinancialsavings,acleanerenvironment,andthereductionofgreenhousegasemissions.
FormoreinformationaboutENERGYSTAR,goto:
http://www.energystar.gov
Lenovoencouragesyoutomakeefficientuseofenergyanintegralpartofyourday-to-dayoperations.To
helpinthisendeavor,setthefollowingpower-managementfeaturestotakeeffectwhenyourcomputerhas
beeninactiveforaspecifiedduration:
Table1.ENERGYSTARpower-managementfeatures
Windows7orWindows10operatingsystem
Powerplan:Default
•Turnoffthedisplay:After10minutes
•Putthecomputertosleep:After25minutes
•Advancedpowersettings:
–Turnoffharddiskdrives:After20minutes
–Hibernate:Never
ToawakenyourcomputerfromaSleepmode,pressanykeyonyourkeyboard.
Tochangepowersettings,dothefollowing:
1.OpenControlPanelbydoingoneofthefollowing:
•ForWindows7:ClicktheStartbuttontoopentheStartmenu.
•ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu.
2.ClickControlPanel.ViewControlPanelusingLargeiconsorSmallicons,andthenclickPower
Options.
3.Followtheinstructionsonthescreen.
©CopyrightLenovo2016,2017
81

82ThinkCentreM600UserGuide

AppendixE.Notices
Lenovomaynotoffertheproducts,services,orfeaturesdiscussedinthisdocumentinallcountries.Consult
yourlocalLenovorepresentativeforinformationontheproductsandservicescurrentlyavailableinyour
area.AnyreferencetoaLenovoproduct,program,orserviceisnotintendedtostateorimplythatonlythat
Lenovoproduct,program,orservicemaybeused.Anyfunctionallyequivalentproduct,program,orservice
thatdoesnotinfringeanyLenovointellectualpropertyrightmaybeusedinstead.However,itistheuser's
responsibilitytoevaluateandverifytheoperationofanyotherproduct,program,orservice.
Lenovomayhavepatentsorpendingpatentapplicationscoveringsubjectmatterdescribedinthis
document.Thefurnishingofthisdocumentdoesnotgiveyouanylicensetothesepatents.Youcansend
licenseinquiries,inwriting,to:
Lenovo(UnitedStates),Inc.
1009ThinkPlace-BuildingOne
Morrisville,NC27560
U.S.A.
Attention:LenovoDirectorofLicensing
LENOVOPROVIDESTHISPUBLICATION“ASIS”WITHOUTWARRANTYOFANYKIND,EITHEREXPRESS
ORIMPLIED,INCLUDING,BUTNOTLIMITEDTO,THEIMPLIEDWARRANTIESOFNON-INFRINGEMENT,
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84ThinkCentreM600UserGuide