Lenovo ThinkCentre M800, ThinkCentre M900 User Guide
ThinkCentreM800andM900
UserGuide
MachineTypes:10FG,10FH,10FX,and10FY
Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadandunderstandthe“Read
thisfirst:Importantsafetyinformation”onpageiii
andAppendixF“Notices”onpage101.
FourthEdition(September2016)
©CopyrightLenovo2015,2016.
LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuanttoaGeneralServices
Administration“GSA”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.
GS-35F-05925.
Contents
Readthisfirst:Importantsafety
information..............iii
Beforeusingthismanual............iii
Serviceandupgrades.............iii
Staticelectricityprevention...........iv
Powercordsandpoweradapters........iv
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...............11
Programs.................11
Accessingaprogramonthecomputer...11
Installingaprogramthatisreadytobe
installed...............12
AnintroductiontoLenovoprograms....12
Chapter2.Usingyourcomputer...15
Registeringthecomputer..........15
Settingthecomputervolume.........15
AddinganicontotheWindowsnotificationarea.15
Usingadisc................15
Guidelinesaboutusingtheopticaldrive...16
Handlingandstoringadisc........16
Playingandremovingadisc.......16
Recordingadisc............17
Connectingtoanetwork...........17
ConnectingtoanEthernetLAN......17
ConnectingtoawirelessLAN.......18
ConnectingtoaBluetooth-enableddevice..18
Chapter3.Y ouandyourcomputer..19
Arrangingyourworkspace..........19
Glareandlighting............19
Aircirculation.............19
Electricaloutletlocationsandcablelengths.19
Comfort...............19
Accessibilityinformation...........20
Cleaningthecomputer...........23
Maintenance...............23
Basicmaintenancetips.........23
Goodmaintenancepractices.......23
Keepingthecomputercurrent.......24
Movingthecomputer............25
Chapter4.Security..........27
Lockingthecomputer............27
Lockingthecomputercover.......27
AttachingaKensington-stylecablelock...28
Attachingacablelock..........28
Viewingandchangingsecuritysettingsinthe
SetupUtilityprogram............29
Preventingunauthorizedaccesstothecomputer.29
Usingfingerprintauthentication........29
Usingandunderstandingfirewalls.......29
Protectingdataagainstviruses........30
ComputraceAgentsoftwareembeddedin
firmware.................30
TrustedPlatformModule(TPM)........30
Chapter5.Advancedconfiguration..31
UsingtheSetupUtilityprogram........31
StartingtheSetupUtilityprogram.....31
Enablingordisablingadevice.......31
EnablingordisablingtheAutomaticPowerOn
features...............31
EnablingordisablingtheErPLPScompliance
mode................32
ChangingtheICEperformancemode....32
EnablingordisablingtheICEThermalAlert
feature................32
EnablingordisablingtheConfiguration
ChangeDetectionfeature........33
Usingthecoverpresenceswitch......33
UsingBIOSpasswords.........33
Selectingastartupdevice........35
ExitingtheSetupUtilityprogram......35
UpdatingtheBIOS.............36
RecoveringfromaBIOSupdatefailure.....36
Chapter6.T roubleshooting,
diagnostics,andrecovery......37
©CopyrightLenovo2015,2016
i
Basicprocedureforresolvingcomputer
problems.................37
Troubleshooting..............37
Startupproblems............37
Audioproblems............38
CDproblems.............39
DVDproblems.............39
Intermittentproblems..........40
Storagedriveproblems.........40
Networkingproblems..........41
Performanceproblems..........43
Serialconnectorcannotbeaccessed....44
USBdeviceproblems..........44
Softwareanddriverproblems.......44
Diagnostics................45
LenovoSolutionCenter.........45
Recoveryinformation............45
RecoveryinformationforWindows7....45
RecoveryinformationforWindows10....46
Safetyandwarranty...........83
LenovoWebsite............83
LenovoSupportWebsite.........84
Frequentlyaskedquestions........84
Helpandservice..............84
Callingforservice............84
Usingotherservices..........85
Purchasingadditionalservices......85
AppendixA.Regulatory
information..............87
Exportclassificationnotice..........87
Electronicemissionsnotices.........87
FederalCommunicationsCommission
DeclarationofConformity........87
Eurasiancompliancemark..........89
Brazilaudionotice.............89
Mexicowireless-radiocomplianceinformation..89
Additionalregulatoryinformation.......90
Chapter7.Installingorreplacing
hardware...............49
Handlingstatic-sensitivedevices.......49
Installingorreplacinghardware........49
Installingexternaloptions........49
Removingthecomputercover.......50
Replacingthefrontbezel.........50
Replacingtheopticaldrive........52
Replacingthestoragedrive........54
ReplacingthePCIcard.........65
ReplacingthePCIadaptercard......67
ReplacingaPCIExpresscard.......68
Replacingamemorymodule.......71
Replacingtheheatsinkandfanassembly..74
Replacingthecoin-cellbattery......76
Replacingthepowersupplyassembly...78
Completingthepartsreplacement.....81
Chapter8.Gettinginformation,help,
andservice..............83
Informationresources............83
Accessingtheuserguideinvarious
languages...............83
Windowshelpsystem..........83
AppendixB.WEEEandrecycling
information..............91
ImportantWEEEinformation.........91
RecyclinginformationforJapan........91
RecyclinginformationforBrazil........92
BatteryrecyclinginformationforTaiwan.....92
BatteryrecyclinginformationfortheEuropean
Union..................93
AppendixC.RestrictionofHazardous
Substances(RoHS)Directive.....95
EuropeanUnionRoHS...........95
TurkishRoHS...............95
UkraineRoHS...............95
IndiaRoHS................95
ChinaRoHS................96
TaiwanRoHS...............96
AppendixD.ChinaEnergyLabel...97
AppendixE.ENERGYSTARmodel
information..............99
AppendixF .Notices.........101
Trademarks................102
iiThinkCentreM800andM900UserGuide
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:
©CopyrightLenovo2015,2016
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.
ivThinkCentreM800andM900UserGuide
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.
•Donotchargethebatteryoroperatethecomputer,poweradapter,oraccessoriesnearflammable
materialsorinexplosiveenvironments.
•Ventilationslots,fans,andheatsinksareprovidedwiththeproductforsafety,comfort,andreliable
operation.Thesefeaturesmightinadvertentlybecomeblockedbyplacingtheproductonabed,sofa,
carpet,orotherflexiblesurface.Neverblock,cover,ordisablethesefeatures.
©CopyrightLenovo2015,2016
v
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:
•Donotremovethecovers.Removingthecoversofthelaserproductcouldresultinexposureto
hazardouslaserradiation.Therearenoserviceablepartsinsidethedevice.
•Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespecifiedherein
mightresultinhazardousradiationexposure.
viThinkCentreM800andM900UserGuide
DANGER
SomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing:
Laserradiationwhenopen.Donotstareintothebeam,donotviewdirectlywithoptical
instruments,andavoiddirectexposuretothebeam.
Powersupplystatement
Neverremovethecoveronapowersupplyoranypartthathasthefollowinglabelattached.
Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislabelattached.
Therearenoserviceablepartsinsidethesecomponents.Ifyoususpectaproblemwithoneoftheseparts,
contactaservicetechnician.
Cleaningandmaintenance
Keepthecomputerandworkspaceclean.Shutdownthecomputerandthendisconnectthepower
cordbeforecleaningthecomputer.Donotsprayanyliquiddetergentdirectlyonthecomputeroruse
anydetergentcontainingflammablematerialtocleanthecomputer.Spraythedetergentonasoftcloth
andthenwipethecomputersurfaces.
©CopyrightLenovo2015,2016
vii
viiiThinkCentreM800andM900UserGuide
Chapter1.Productoverview
Thischapterprovidesinformationaboutthefollowingtopics:
•“Hardwarelocations”onpage1
•“Features”onpage7
•“Specifications”onpage11
•“Programs”onpage11
Hardwarelocations
Thissectionprovidesinformationaboutthelocationsofthecomputerhardware.
Note:Thecomputerhardwaremightlookslightlydifferentfromtheillustrations.
Frontview
Figure1.Frontview
1Powerbutton
3USB3.0connector
5Headphoneconnector
7Cardreaderslot(somemodels)8USB2.0connectors(2)(somemodels)
9Opticaldriveactivityindicator10Opticaldriveeject/closebutton
©CopyrightLenovo2015,2016
2Storagedriveactivityindicator
4Microphoneconnector
6USB3.0connector
1
•Cardreaderslot
Usedtoholdacard-shapedstoragemediumsothatthecardreadercanreadthedataonthestorage
medium.
•Headphoneconnector
Usedtoconnectheadphonestoyourcomputer.
•Microphoneconnector
Usedtoconnectamicrophonetoyourcomputer.Youcanusethemicrophonetorecordsoundsoruse
speech-recognitionsoftware.
•Opticaldriveeject/closebutton
Usedtoejectthetrayoftheopticaldrivefromthedrive.Afteryouinsertadiscintothetray,press
theeject/closebuttontoclosethetray.
•Opticaldriveactivityindicator
Whentheopticaldriveactivityindicatorison,theopticaldriveisinuse.
•Powerbutton
Usedtoturnonyourcomputer.Y oualsocanusethepowerbuttontoturnoffyourcomputeronlywhen
youcannotuseanyMicrosoft
®
Windows
®
shutdownproceduretoturnoffyourcomputer.
•Storagedriveactivityindicator
Whenthestoragedriveactivityindicatorison,thestoragedrivesareinuse.
•USB2.0connector
UsedtoconnectadevicethatrequiresaUSB2.0connection,suchasakeyboard,amouse,ascanner,a
printer,orapersonaldigitalassistant(PDA).
•USB3.0connector
UsedtoconnectadevicethatrequiresaUSB2.0orUSB3.0connection,suchasakeyboard,amouse,a
scanner,aprinter,oraPDA.
2ThinkCentreM800andM900UserGuide
Rearview
3
4
5
6
7
8
Figure2.Rearview
1Powercordconnector
3VGAconnector4DisplayPort
5USB3.0connectors(4)6USB2.0connectors(2)(forM800models)orUSB3.0
2Serialconnector
®
connectors(2)
connectors(2)(forM900models)
7Microphoneconnector8Audioline-outconnector
9Audioline-inconnector
10PCI/PCI-Expresscardarea(differentcardsprovide
differentconnectors)
11Ethernetconnector
13Security-lockslot
12PS/2keyboardandmouseconnectors(somemodels)
14Padlockloop
Note:Adiscretegraphicscard,networkinterfacecard,oraudiocardmightbeinstalledinthePeripheral
ComponentInterconnect(PCI)orPCIExpresscardarea.Ifsuchacardisinstalled,ensurethatyouusethe
connectorsonthecardinsteadofthecorrespondingconnectorsonthecomputer.
•Audioline-inconnector
Usedtoreceiveaudiosignalsfromanexternalaudiodevice,suchasastereosystem.Whenyouattach
anexternalaudiodevice,acableisconnectedbetweentheaudioline-outconnectorofthedevice
andtheaudioline-inconnectorofthecomputer.
Chapter1.Productoverview3
•Audioline-outconnector
Usedtosendaudiosignalsfromthecomputertoexternaldevices,suchaspoweredstereospeakers,
headphones,ormultimediakeyboards.Toattachastereosystemorotherexternalrecordingdevice,a
cableisconnectedbetweentheaudioline-inconnectorofthedeviceandtheaudioline-outconnector
ofthecomputer.
Note:Ifyourcomputerhasbothanaudioline-outconnectorandaheadsetconnectororheadphone
connector,alwaysusetheheadsetconnectororheadphoneconnectorforearphones,headphones,ora
headset.However,aheadphoneconnectordoesnotsupportthemicrophoneofaheadset.
•DisplayPortconnector
Usedtoconnectahigh-performancemonitor,adirect-drivemonitor,orotherdevicesthatusea
DisplayPortconnector.
•Ethernetconnector
UsedtoconnectanEthernetcableforalocalareanetwork(LAN).
Note:TooperatethecomputerwithinFederalCommunicationsCommission(FCC)ClassBlimits,usea
Category5eorbetterEthernetcable.
•Microphoneconnector
Usedtoconnectamicrophonetoyourcomputerwhenyouwanttorecordsoundorifyouuse
speech-recognitionsoftware.
•Padlockloop
Usedtosecureapadlock.Formoreinformation,see“Lockingthecomputercover”onpage27.
•PCI/PCI-Expresscardarea(differentcardsprovidedifferentconnectors)
Toimprovetheoperatingperformanceofyourcomputer,youcanconnectPCI/PCI-Expresscardsinto
thisarea.Dependingonyourcomputermodel,theconnectorsinthisareamightvary.
•Powercordconnector
Usedtoconnectthepowercordtoyourcomputerforpowersupply.
•PS/2keyboardconnector
UsedtoconnectakeyboardthatusesaPersonalSystem/2(PS/2)keyboardconnector.
•PS/2mouseconnector
Usedtoconnectamouse,atrackball,orotherpointingdevicesthatuseaPS/2mouseconnector.
•Serialconnector
Usedtoconnectanexternalmodem,aserialprinter,orotherdevicesthatuseaserialconnector.
•Security-lockslot
UsedtosecureaKensington-stylecablelock.Formoreinformation,see“AttachingaKensington-style
cablelock”onpage28.
•USB2.0connector
UsedtoconnectadevicethatrequiresaUSB2.0connection,suchasakeyboard,amouse,ascanner,a
printer,oraPDA.
•USB3.0connector
UsedtoconnectadevicethatrequiresaUSB2.0orUSB3.0connection,suchasakeyboard,amouse,a
scanner,aprinter,oraPDA.
•VGAconnector
Usedtoconnectavideographicsarray(VGA)monitororotherdevicesthatuseaVGAconnector.
4ThinkCentreM800andM900UserGuide
Computercomponents
Note:Dependingonyourcomputermodel,someofthefollowingcomponentsareoptional.
Figure3.Computercomponents
1Computercover
3Heatsinkandfanassembly
5Memorymodule
7Opticaldrive8Secondarystoragedrive
9Secondarystoragedrivebracket10CardreaderandUSBassembly
11USBassembly12Cardreader
13FrontaudioandUSBassembly
15Frontfan
2Heatsinkfanduct
4Powersupplyassembly
6Opticaldrivebracket
14FrontWi-Fiantenna
16Thermalsensor
Chapter1.Productoverview5
17Internalspeaker
19Primarystoragedrive
21PCIExpresscard
23PCIcard
25RearWi-Fiantenna26Wi-Ficard
27Systemboard
29Powercord
18Coverpresenceswitch(alsocalledintrusionswitch)
20PCIadaptercard
22Microprocessor
24Wi-Fiadaptercard
28Frontbezel
Partsonthesystemboard
Note:Forthepartsthataredisplayedonthefollowingfigurebutnotintroducedinthefollowingtable,see
“Frontview”onpage1and“Rearview”onpage3.
Figure4.Partsonthesystemboard
1PS/2keyboardandmouseconnector
3Microprocessor
5Memoryslot(DIMM1)6Memoryslot(DIMM2)
7Memoryslot(DIMM3)8Memoryslot(DIMM4)
9Thermalsensorconnector1010-pinpowerconnector
11Storagedrivefanconnector12SATApowerconnectors(2)(forconnectinganoptical
24-pinpowerconnector
4Microprocessorfanconnector
driveorastoragedrive)
13FrontUSB3.0connector14eSATAconnector
15Frontfanconnector
16SATA3.0connectors(3)
6ThinkCentreM800andM900UserGuide
17Frontpanelconnector
19FrontUSBconnector1(forconnectinganadditional
USBdevice)
21Serialconnector
23Frontaudioconnector
25PCIExpressx1cardslot26PCIExpressx16cardslot
27Rearfanconnector
29Coin-cellbattery
18FrontUSBconnector2(forconnectinganadditional
USBdevice)
20M.2cardslot(forinstallingaPCIadaptercard)
22Internalspeakerconnector
24PCIExpresscardslot(physicallinkwidthx16;
negotiablelinkwidthx4,x1)
28Coverpresenceswitchconnector(intrusionswitch
connector)
Machinetypeandmodellabel
Themachinetypeandmodellabelidentifiesyourcomputer.WhenyoucontactLenovoforhelp,themachine
typeandmodelinformationhelpssupporttechnicianstoidentifyyourcomputerandprovidefasterservice.
Themachinetypeandmodellabelisattachedonthesideofyourcomputerasshown.
Figure5.Machinetypeandmodellabel
Features
Thecomputerfeaturesintroducedinthissectionapplytovariousmodels.
Informationaboutyourcomputer
•Toviewbasicinformation(suchasmicroprocessorandmemoryinformation)aboutyourcomputer,
dothefollowing:
1.ClicktheStartbuttontoopentheStartmenu.
Chapter1.Productoverview7
2.DependingonyourWindowsversion,dooneofthefollowing:
–ForWindows7:Right-clickComputer,andthenclickProperties.
–ForWindows10:ClickSettings➙System➙About.
•Toviewdetailedinformationaboutthedevices(suchastheopticaldriveandnetworkadapters)onyour
computer,dothefollowing:
1.DependingonyourWindowsversion,dooneofthefollowing:
–ForWindows7:ClicktheStartbuttontoopentheStartmenu.Right-clickComputer,andthen
clickProperties.
–ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu.
2.ClickDeviceManager.Typetheadministratorpasswordorprovideconfirmationifprompted.
Preinstalledoperatingsystem
YourcomputerispreinstalledwithWindows7orWindows10operatingsystem.Additionaloperating
systemsmightbeidentifiedbyLenovoascompatiblewithyourcomputer.T odetermineifanoperating
systemhasbeencertifiedortestedforcompatibility,checktheWebsiteoftheoperatingsystemprovider.
Powersupply
210-wattautomaticvoltage-sensingpowersupply
Storagedrives
Yourcomputersupportsuptotwostoragedrives.
Toviewtheamountofstoragedrivespace,dothefollowing:
1.DependingonyourWindowsversion,dooneofthefollowing:
•ForWindows7:ClicktheStartbuttontoopentheStartmenu.Right-clickComputer,andthenclick
Manage.
•ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu.
2.ClickDiskManagement.
Videofeatures
•Theintegratedgraphicscardsupportsthefollowingdisplayconnectorsonyourcomputer:
–DisplayPortconnector
–VGAconnector
•Thediscretegraphicscard,whichisoptional,providesenhanceddisplaycapabilityandexperience.
Audiofeatures
•Theintegratedaudiocardsupportsthefollowingaudioconnectorsanddevicesonyourcomputer:
–Audioline-inconnector
–Audioline-outconnector
–Headphoneconnector
–Microphoneconnector
•Thediscreteaudiocard,whichisoptional,providesenhancedaudiocapabilityandexperience.
Input/Output(I/O)features
•Audioconnectors(audioline-inconnector,audioline-outconnector,headphoneconnector,and
microphoneconnector)
8ThinkCentreM800andM900UserGuide
•Cardreaderslot
•Displayconnectors(DisplayPortconnectorandVGAconnector)
•Ethernetconnector
•PS/2keyboardconnector(optional)
•PS/2mouseconnector(optional)
•Serialconnector
•USBconnector
Expansion
•Cardreader(optional)
•Memoryslot
•M.2cardslot
•Opticaldrive(optional)
•PCIExpressx1cardslot
•PCIExpresscardslot(physicallinkwidthx16;negotiablelinkwidthx4,x1)
•PCIExpressx16graphicscardslot
•Storagedrivebay
Networkfeatures
•EthernetLAN
–TheintegratednetworkinterfacecardsupportstheEthernetconnectoronyourcomputer.
–Thediscretenetworkinterfacecard,whichisoptional,providesanadditionalEthernetconnector.
•WirelessLAN(optional)
•Bluetooth(optional)
Securityfeatures
Formoreinformation,seeChapter4“Security”onpage27.
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”onpage32.
•IntelligentCoolingEngine(ICE)
TheIntelligentCoolingEngineisasystemthermalmanagementsolutionthatenablesyourcomputer
torunwithbetterthermalandacousticperformance.TheICEfunctionalsomonitorsthethermal
performanceofyourcomputertoidentifythermalproblems.Formoreinformation,see“ChangingtheICE
performancemode”onpage32
and“EnablingordisablingtheICEThermalAlertfeature”onpage32.
Chapter1.Productoverview9
•Intel
®
StandardManageability
IntelStandardManageabilityishardware-andfirmware-basedtechnologythatmakescomputerseasier
andlessexpensiveforbusinessestomonitor,maintain,update,upgrade,andrepair.
•IntelActiveManagementTechnology(AMT)(optional)
IntelActiveManagementTechnologyishardware-andfirmware-basedtechnologythatmakescomputers
easierandlessexpensiveforbusinessestomonitor,maintain,update,upgrade,andrepair.
•IntelMatrixStorageManager
IntelMatrixStorageManagerisadevicedriverthatprovidessupportforSerialAdvancedTechnology
Attachment(SATA)RedundantArrayofIndependentDisks(RAID)5arraysandSATARAID10arrayson
specificIntelchipsetsystemboardstoenhanceharddiskperformance.
•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.
10ThinkCentreM800andM900UserGuide
Specifications
Thissectionliststhephysicalspecificationsforyourcomputer.
Dimensions
Width:93mm(3.7inches)
Height:343mm(13.5inches)
Depth:364mm(14.3inches)
Weight
Maximumconfigurationasshipped:5.6kg(12.3lb)
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.
Chapter1.Productoverview11
–ForWindows10:Fromtheprogramlistorafolderinthelist,clickthenameofthedesiredprogram
tolaunchtheprogram.
3.IftheprogramnameisnotdisplayedontheStartmenu,dooneofthefollowing:
–ForWindows7:ClickControlPanelontheStartmenu.
–ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu,andthenclick
ControlPanel.
4.ViewControlPanelusinglargeiconsorsmallicons,andthenclickthenameofthedesiredprogram
tolaunchtheprogram.
Installingaprogramthatisreadytobeinstalled
Note:ForWindows7,dependingonthecomputermodel,someoftheLenovoprogramsmightbereadyto
beinstalled,soyouneedtoinstallthemmanually.Then,youcanaccessandusetheseprograms.
Toinstallaprogramthatisreadytobeinstalled,dothefollowing:
1.OpentheLenovoThinkVantage
page11.
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-basedunitforlockingorunlockingthecomputerautomatically.Bydetectingthe
distancebetweenthecomputerandthepredefinedBluetoothdevicethatyouarecarrying,theLenovo
BluetoothLockprogramautomaticallylocksthecomputerwhenyouwalkawayandunlocksthe
computerwhenyoucomeback.Thisisasimplewaytoprotectthecomputeragainstunauthorized
accessincasethatyouforgettolockthecomputer.
–LenovoPowerENGAGE
TheLenovoPowerENGAGEprogramenablesyoutoregisteryourcomputerwithLenovo.
–PasswordManager
ThePasswordManagerprogramautomaticallycapturesandfillsinauthenticationinformationfor
WindowsprogramsandWebsites.
12ThinkCentreM800andM900UserGuide
–PowerManager
ThePowerManagerprogramprovidesconvenient,flexible,andcompletepowermanagementforthe
computer.Itenablesyoutoadjustthecomputerpowersettingstoachievethebestbalancebetween
performanceandpowersaving.
–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.
Chapter1.Productoverview13
14ThinkCentreM800andM900UserGuide
Chapter2.Usingyourcomputer
Thischaptercontainsthefollowingtopics:
•“Registeringthecomputer”onpage15
•“Settingthecomputervolume”onpage15
•“AddinganicontotheWindowsnotificationarea”onpage15
•“Usingadisc”onpage15
•“Connectingtoanetwork”onpage17
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”onpage15.
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.
Usingadisc
Thissectionprovidesinformationaboutusingadiscandtheopticaldrive.
©CopyrightLenovo2015,2016
15
Guidelinesaboutusingtheopticaldrive
Whenusingtheopticaldrive,followtheseguidelines:
•Donotplacethecomputerinalocationwherethedriveisexposedtoanyofthefollowingconditions:
–Hightemperature
–Highhumidity
–Excessivedust
–Excessivevibrationorsuddenshock
–Aninclinedsurface
–Directsunlight
•Donotinsertanyobjectotherthanadiscintothedrive.
•Donotinsertdamageddiscsintothedrive.Warped,scratched,ordirtydiscscandamagethedrive.
•Beforemovingthecomputer,removethediscfromthedrive.
Handlingandstoringadisc
Whenhandlingandstoringadisc,followtheseguidelines:
•Holdthediscbyitsedges.Donottouchthesurfaceofthesidethatisnotlabeled.
•Toremovedustorfingerprints,wipethediscwithaclean,softclothfromthecentertotheoutside.Wiping
thediscinacirculardirectionmightcauselossofdata.
•Donotwriteorstickpaperonthedisc.
•Donotscratchormarkthedisc.
•Donotplaceorstorethediscindirectsunlight.
•Donotusebenzene,thinners,orothercleanerstocleanthedisc.
•Donotdroporbendthedisc.
Playingandremovingadisc
Toplayadisc,dothefollowing:
1.Withthecomputeron,presstheeject/closebuttononthefrontoftheopticaldrive.Thetrayslides
outofthedrive.
2.Insertadiscintothetray.Someopticaldrivehasasnaphubinthecenterofthetray.Ifyourdrivehasa
snaphub,supportthetraywithonehandandthenpushcenterofthediscuntilitsnapsintoplace.
3.Presstheeject/closebuttonagainorgentlypushthetrayforwardtoclosethetray.Thediscplayer
programstartsautomatically.Formoreinformation,refertothehelpsystemofthediscplayerprogram.
Toremoveadiscfromtheopticaldrive,dothefollowing:
1.Withthecomputeron,presstheeject/closebuttononthefrontoftheopticaldrive.Thetrayslides
outofthedrive.
2.Carefullyremovethediscfromthetray.
3.Presstheeject/closebuttonagainorgentlypushthetrayforwardtoclosethetray.
Note:Ifthetraydoesnotslideoutofthedrivewhenyoupresstheeject/closebutton,turnoffthecomputer.
Then,insertastraightenedpaperclipintotheemergency-ejectholeadjacenttotheeject/closebutton.
Usetheemergencyejectonlyinanemergency.
16ThinkCentreM800andM900UserGuide
Recordingadisc
Ifyouropticaldrivesupportsrecording,youcanrecordadisc.
RecordingadiscusingWindowstools
TorecordadiscusingWindowstools,dooneofthefollowing:
•BurnadiscusingtheAutoPlaywindow.
1.Ensurethatthediscisplayedautomatically.
a.ClicktheStartbuttontoopentheStartmenu.
b.DependingonyourWindowsversion,dooneofthefollowing:
–ForWindows7:ClickControlPanel.ViewControlPanelusinglargeiconsorsmallicons,
andthenclickAutoPlay.
–ForWindows10:ClickSettings➙Devices➙AutoPlay.
c.SelectorturnonUseAutoPlayforallmediaanddevices.
2.Insertarecordablediscintotheopticaldrivethatsupportsrecording.TheAutoPlaywindowopens.
3.Followtheinstructionsonthescreen.
•BurnadiscusingWindowsMedia
1.Insertarecordablediscintotheopticaldrivethatsupportsrecording.
2.OpenWindowsMediaPlayer.See“Accessingaprogramonthecomputer”onpage11.
3.Followtheinstructionsonthescreen.
•BurnadiscfromanISOfile.
1.Insertarecordablediscintotheopticaldrivethatsupportsrecording.
2.Double-clicktheISOfile.
3.Followtheinstructionsonthescreen.
®
Player.
Recordingadiscusingpreinstalledprograms
Torecordadiscusingpreinstalledprograms,dothefollowing:
1.Insertarecordablediscintotheopticaldrivethatsupportsrecording.
2.OpenthePowerDVDCreate,PowerProducer,orPower2Goprogram.See“Accessingaprogramon
thecomputer”onpage11.
3.Followtheinstructionsonthescreen.
Connectingtoanetwork
Thissectionprovidesinformationaboutconnectingtoanetwork.Ifyoucannotconnectthecomputertoa
network,see“Networkingproblems”onpage41.
ConnectingtoanEthernetLAN
YoucanconnectthecomputertoanEthernetLANbyconnectinganEthernetcabletotheEthernetconnector.
DANGER
Toavoidtheriskofelectricalshock,donotconnectthetelephonecabletotheEthernetconnector.
Chapter2.Usingyourcomputer17
ConnectingtoawirelessLAN
YoucanconnectthecomputertoawirelessLANwithouttheuseofanEthernetcablebutbymeansof
radiowavesonly.
Note:ThewirelessLANfeatureisoptional.
Toestablishawireless-LANconnection,dothefollowing:
1.EnsurethatawirelessLANisavailableandthewirelessLANfeatureonthecomputerisworking.
2.Clickthewireless-network-connection-statusiconintheWindowsnotificationareatodisplayavailable
wirelessnetworks.
Note:Ifthewireless-network-connection-statusiconisnotdisplayedintheWindowsnotificationarea,
addtheicontothenotificationarea.See“AddinganicontotheWindowsnotificationarea”onpage15
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.Then,clickAddaDeviceand
followtheinstructionsonthescreen.
Note:IftheBluetoothiconisnotdisplayedintheWindowsnotificationarea,addtheicontothe
notificationarea.See“AddinganicontotheWindowsnotificationarea”onpage15.
18ThinkCentreM800andM900UserGuide
Chapter3.Y ouandyourcomputer
Thischaptercontainsthefollowingtopics:
•“Arrangingyourworkspace”onpage19
•“Accessibilityinformation”onpage20
•“Cleaningthecomputer”onpage23
•“Maintenance”onpage23
•“Movingthecomputer”onpage25
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.
©CopyrightLenovo2015,2016
19
•Screenposition:Keepthescreenatacomfortableviewingdistance,usually51-61cm(20-24inches).
Then,adjustthescreensothatthetopofthescreenisatorslightlybeloweyelevelandyoucanviewit
withouttwistingyourbody.
•Chairposition:Useachairthatgivesyougoodbacksupportandseatheightadjustment.Usechair
adjustmentstobestsuityourdesiredposture.
•Headposition:Keepyourheadandneckinacomfortableandneutral(verticalorupright)position.
•Armandhandpositions:Keepyourforearms,wrists,andhandsinarelaxedandneutral(horizontal)
position.Typewithasofttouchwithoutpoundingthekeys.
•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.
20ThinkCentreM800andM900UserGuide
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