Lenovo 0870A4U User manual

Category
All-in-One workstations
Type
User manual
ThinkCentre
UserGuide
MachineTypes:0800,0852,0870,2471,2557,3091,3265,3373,
3429,3650,3678,4285,5205,and5248
ThinkCentre
UserGuide
MachineTypes:0800,0852,0870,2471,2557,3091,3265,3373,
3429,3650,3678,4285,5205,and5248
Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadandunderstandthe
ThinkCentreSafetyandWarrantyGuideandAppendixA“Notices”onpage79.
©CopyrightLenovo
LENOVOproducts,data,computersoftware,andserviceshavebeendevelopedexclusivelyatprivateexpenseandare
soldtogovernmentalentitiesascommercialitemsasdenedby48C.F .R.2.101withlimitedandrestrictedrightsto
use,reproductionanddisclosure.
LIMITEDANDRESTRICTEDRIGHTSNOTICE:Ifproducts,data,computersoftware,orservicesaredeliveredpursuant
aGeneralServicesAdministration“GSAcontract,use,reproduction,ordisclosureissubjecttorestrictionssetforth
inContractNo.GS-35F-05925.
SecondEdition(May2011)
2011.
Contents
Importantsafetyinformation......v
Chapter1.Productoverview......1
Features..................1
Single-touchandmulti-touchfeature.....3
Specications................4
Softwareoverview..............6
SoftwareprovidedwithyourWindows
operatingsystem.............6
Locatingcomputercontrols,connectors,and
parts...................7
Frontview................8
Rearview................9
Componentlocations..........11
Systemboardpartandconnectorlocations.12
Chapter2.Installingorreplacing
hardware...............15
Installingorreplacinghardware........15
Installingexternaloptions........15
Installingacomputerwallmount......15
Removingthecomputercover.......15
Removingorreinstallingtheframestand..16
Removingorreinstallingtheliftstand....17
RemovingorreinstallingtherearI/Oassembly
cover................19
RemovingorreinstallingtheVESAframe
cover................20
RemovingorreinstallingtheVESAframe..21
Installingorreplacingamemorymodule...22
Replacingthebattery..........24
Replacingtheharddiskdrive.......25
Replacingtheopticaldrive........28
Replacingtheheatsink.........29
Replacingthemicroprocessor.......32
ReplacingtheWI-FIcard.........34
ReplacingtheBluetoothmodule......35
Replacingthemulti-touchboard......36
Replacingtheambientlightsensor.....37
ReplacingtheExpressCard........39
Replacingtheinternalspeakers......40
Replacingtheintegratedcamerawith
microphone..............41
Replacingthemicroprocessorfanassembly.42
Replacingthecardreader........44
ReplacingtherearI/Oassembly......45
ReplacingtherightI/Oassembly......46
Replacingthepowersupply.......47
Replacingthekeyboard.........49
Replacingthemouse..........50
Completingthepartsreplacement.....52
Obtainingdevicedrivers...........53
Basicsecurityfeatures...........53
Integratedcablelock..........53
Passwordprotection..........54
Erasinglostorforgottenpasswords(clearing
CMOS)................54
Chapter3.Recoveryinformation...57
Creatingandusingrecoverymedia......57
Creatingrecoverymedia.........57
Usingrecoverymedia..........57
Performingbackupandrecoveryoperations...58
Performingabackupoperation......58
Performingarecoveryoperation......59
UsingtheRescueandRecoveryworkspace...59
Creatingandusingarescuemedium......60
Creatingarescuemedium........60
Usingarescuemedium.........61
Installingorreinstallingdevicedrivers.....61
Solvingrecoveryproblems..........62
Chapter4.UsingtheSetupUtility
program................63
StartingtheSetupUtilityprogram.......63
Viewingorchangingsettings.........63
Usingpasswords..............63
Passwordconsiderations.........64
Administratorpassword.........64
Power-onpassword...........64
Harddiskdrivepassword........64
Setting,changing,ordeletingapassword..64
Enablingordisablingadevice........65
Selectingastartupdevice..........65
Selectingatemporarystartupdevice....65
Viewingorchangingthestartupdevice
sequence...............65
ExitingtheSetupUtilityprogram.......66
Chapter5.Updatingsystem
programs...............67
Usingsystemprograms...........67
Updating(ashing)theBIOSfromadisc....67
Updating(ashing)theBIOSfromyouroperating
system..................68
iii
©CopyrightLenovo,2011
RecoveringfromaPOST/BIOSupdatefailure..68
Chapter6.Troubleshootingand
diagnosticprograms.........71
Basictroubleshooting............71
Diagnosticprograms............72
LenovoThinkVantageToolbox.......72
PC-DoctorforRescueandRecovery....73
PC-DoctorforDOS...........73
Cleaninganopticalmouse..........74
Chapter7.Gettinginformation,help,
andservice..............75
Informationresources............75
OnlineBooksfolder...........75
LenovoThinkVantageTools........75
ThinkVantageProductivityCenter.....75
LenovoWelcome............76
AccessHelp..............76
Safetyandwarranty...........76
LenovoWebsite(http://www.lenovo.com)..76
Helpandservice..............77
Usingthedocumentationanddiagnostic
programs...............77
Callingforservice............77
Usingotherservices..........78
Purchasingadditionalservices......78
AppendixA.Notices.........79
Televisionoutputnotice...........80
EuropeanconformanceCEmark.......80
Trademarks................80
Index..................81
ivThinkCentreUserGuide
Importantsafetyinformation
CAUTION:
Beforeusingthismanual,besuretoreadandunderstandalltherelatedsafetyinformationforthis
product.RefertotheThinkCentreSafetyandWarrantyGuidethatyoureceivedwiththisproductfor
thelatestsafetyinformation.Readingandunderstandingthissafetyinformationreducestheriskof
personalinjuryandordamagetoyourproduct.
IfyounolongerhaveacopyoftheThinkCentreSafetyandWarrantyGuide,youcanobtainaPortable
DocumentFormat(PDF)versionfromtheLenovo
®
SupportWebsiteat:
http://www.lenovo.com/support
v
©CopyrightLenovo,2011
viThinkCentreUserGuide
Chapter1.Productoverview
Thischapterprovidesinformationaboutthecomputerfeatures,specications,preinstalledsoftware
programs,andconnectorandpartlocations.
Thischaptercontainsthefollowingtopics:
“Features”onpage1:Thissectionprovidesinformationaboutthecomputerfeatures.
“Specications”onpage4:Thissectionliststhephysicalspecicationsforyourcomputer.
“Softwareoverview”onpage6:Thissectionprovidesinformationaboutthesoftwareprogramsprovided
withyourcomputer.
“Locatingcomputercontrols,connectors,andparts”onpage7:Thissectionprovidesinformationto
helpyoulocateyourcomputercontrols,connectorsandparts.
Features
Thissectionprovidesinformationaboutthecomputerfeatures.
Systeminformation
Thefollowinginformationcoversavarietyofmodels.Forinformationaboutyourspecicmodel,usethe
SetupUtilityprogram.SeeChapter4“UsingtheSetupUtilityprogram”onpage63.
Microprocessor
Yourcomputercomeswithoneofthefollowingmicroprocessors(internalcachesizevariesbymodeltype):
Intel
®
Core™i3microprocessor
IntelCorei5microprocessor
IntelPentium
®
microprocessor
Memorymodule(s)
Supportsuptotwodoubledatarate3dualinlinememorymodules(DDR3DIMMs)
Note:Yourcomputersupportsboth1066MHzand1333MHzDDR3memorymodules.However,ifyou
areusingthe1333MHzmemorymodule(s)withamicroprocessorthatrunsat1066MHz(suchasthe
IntelPentiumG6950microprocessor),yourmemorymodule(s)willoperateat1066MHz.
Internaldrives
OneslimSerialAdvancedTechnologyAttachment(SATA)opticaldrive
OneSATAharddiskdrive
Videosubsystem
IntegratedgraphicscardforaVideoGraphicsArray(VGA)INconnectorandaDisplayPortoutconnector
Audiosubsystem
Integratedhigh-denition(HD)audio
Microphoneconnectorandheadphoneconnector
Internalspeakers
1
Connectivity
10/100/1000MbpsEthernetcontroller
Systemmanagementfeatures
Abilitytostorethepower-onself-test(POST)hardwaretestresults
AdvancedCongurationandPowerInterface(ACPI)support
Automaticpower-onstartup
DesktopManagementInterface(DMI)
IntelActiveManagementTechnology(AMT)(availableinsomemodels)
IntelRapidStorageTechnology
PrebootExecutionEnvironment(PXE)
SystemManagement(SM)BasicInput/OutputSystem(BIOS)andSMsoftware
WakeonLAN
WindowsManagementInstrumentation(WMI)
Input/Output(I/O)features
OneDisplayPortconnector
OneEthernetconnector
Oneoptional9-pinserialport
Oneoptionalcardreader
OneoptionalExpressCardslot
OneoptionalPersonalSystem/2
®
(PS/2
®
)keyboardconnector
OneoptionalPS/2mouseconnector
OneVGAINconnector
SixUniversalSerialBus(USB)connectors
Twoaudioconnectors(microphoneconnectorandheadphoneconnector)
Wirelesskeyboardandmouse(availableinsomemodels)
FormoreinformationaboutI/Ofeatures,see“Rearview”onpage9
.
Expansion
Oneharddiskdrivebay
Oneopticaldrivebay
Powersupply
150-wattauto-sensingpowersupply
Securityfeatures
Computrace
Coverpresenceswitch(alsocalledintrusionswitch)(availableinsomemodels)
EnablingordisablingSATAdevices
Enablingordisablingtheserialport
EnablingordisablingUSBconnectorsindividually
2ThinkCentreUserGuide
Chapter1.Productoverview
Thischapterprovidesinformationaboutthecomputerfeatures,specications,preinstalledsoftware
programs,andconnectorandpartlocations.
Thischaptercontainsthefollowingtopics:
“Features”onpage1:Thissectionprovidesinformationaboutthecomputerfeatures.
“Specications”onpage4:Thissectionliststhephysicalspecicationsforyourcomputer.
“Softwareoverview”onpage6:Thissectionprovidesinformationaboutthesoftwareprogramsprovided
withyourcomputer.
“Locatingcomputercontrols,connectors,andparts”onpage7:Thissectionprovidesinformationto
helpyoulocateyourcomputercontrols,connectorsandparts.
Features
Thissectionprovidesinformationaboutthecomputerfeatures.
Systeminformation
Thefollowinginformationcoversavarietyofmodels.Forinformationaboutyourspecicmodel,usethe
SetupUtilityprogram.SeeChapter4“UsingtheSetupUtilityprogram”onpage63.
Microprocessor
Yourcomputercomeswithoneofthefollowingmicroprocessors(internalcachesizevariesbymodeltype):
Intel
®
Core™i3microprocessor
IntelCorei5microprocessor
IntelPentium
®
microprocessor
Memorymodule(s)
Supportsuptotwodoubledatarate3dualinlinememorymodules(DDR3DIMMs)
Note:Yourcomputersupportsboth1066MHzand1333MHzDDR3memorymodules.However,ifyou
areusingthe1333MHzmemorymodule(s)withamicroprocessorthatrunsat1066MHz(suchasthe
IntelPentiumG6950microprocessor),yourmemorymodule(s)willoperateat1066MHz.
Internaldrives
OneslimSerialAdvancedTechnologyAttachment(SATA)opticaldrive
OneSATAharddiskdrive
Videosubsystem
IntegratedgraphicscardforaVideoGraphicsArray(VGA)INconnectorandaDisplayPortoutconnector
Audiosubsystem
Integratedhigh-denition(HD)audio
Microphoneconnectorandheadphoneconnector
Internalspeakers
1
©CopyrightLenovo,2011
Table1.Operatingsystemeditionandsupportedtouchfeature
OperatingsystemeditionSupportedtouchfeature
Windows7Enterprise
Single-touchormulti-touch
Windows7HomeBasic
Single-touch
Windows7HomePremium
Single-touchormulti-touch
Windows7Professional
Single-touchormulti-touch
Windows7StarterSingle-touch
Windows7Ultimate
Single-touchormulti-touch
Specications
Thissectionliststhephysicalspecicationsforyourcomputer.
4ThinkCentreUserGuide
Computerdimensions(withoutastandandframefoot)
Width:560mm(22.05inches)
Height:392mm(15.43inches)
Depth:79mm(3.11inches)or86mm(3.39inches)(variesbyconguration)
Computerdimensions(withastandandframefoot)
Width:560mm(22.05inches)
Maximumheight:
421.9mm(16.61inches)(withaframestandandframefoot)
566.9mm(22.32inches)(withaliftstand)
Depth:rangesfrom109mm(4.29inches)to250mm(9.84inches)(variesbyconguration)
Computerweight
Maximumcongurationasshipped:14.1kg(31.09lbs)
Touchscreendimensions
Width:531.4mm(20.92inches)
Height:311.6mm(12.27inches)
Depth:2mm(0.08inch)
Liftstand
Heightadjustment:110mm(4.33inches)
Tiltadjustment:-5°to25°fromthevertical
Framestand
Tiltadjustment:15°to45°fromthevertical
Environment
Airtemperature:
Operating:10°Cto35°C(50°Fto95°F)
Non-operating:-20°Cto60°C(-4°Fto140°F)(withpackage)
Humidity:
Operating:20%to80%(10%perhour,non-condensing)
Non-operating:20%to80%(10%perhour,non-condensing)
Altitude:
Operating:-50to10000ft(-15.2to3048m)
Non-operating:-50to35000ft(-15.2to10668m)
Electricalinput
Inputvoltage:
Lowrange:
Minimum:100Vac
Maximum:127Vac
Inputfrequencyrange:50to60Hz
Highrange:
Minimum:200Vac
Maximum:240Vac
Inputfrequencyrange:50to60Hz
Chapter1.Productoverview5
Softwareoverview
Thecomputercomeswithapreinstalledoperatingsystemandseveralpreinstalledapplications.
SoftwareprovidedwithyourWindowsoperatingsystem
ThissectionprovidesinformationaboutthesoftwareprovidedwithyourWindowsoperatingsystem.
SoftwareprovidedbyLenovo
ThefollowingsoftwareprogramsareprovidedbyLenovotohelpyouimproveproductivityandreducethe
costassociatedwithmaintainingyourcomputer.Softwareprogramsprovidedwithyourcomputermight
varydependingonyourmodeltypeandpreinstalledoperatingsystem.
LenovoThinkVantageTools
TheLenovoThinkVantage
®
Toolsprogramguidesyoutoahostofinformationsourcesandprovideseasy
accesstovarioustoolstohelpyouworkmoreeasilyandsecurely.Formoreinformation,see“Lenovo
ThinkVantageTools”onpage75.
ThinkVantageProductivityCenter
TheThinkVantageProductivityCenterprogramguidesyoutoahostofinformationsourcesandtoolsto
helpyousetup,understand,andmaintainyourcomputer,andenhanceyourcomputerperformance.For
moreinformation,see“ThinkVantageProductivityCenter”onpage75.
Note:TheThinkVantageProductivityCenterprogramisonlyavailableoncomputerspreinstalledwith
theWindowsVistaoperatingsystemfromLenovo.
LenovoWelcome
TheLenovoWelcomeprogramintroducessomeinnovativebuilt-infeaturesofLenovotoyouandguidesyou
throughsomeimportantsetuptaskstohelpyoumakethemostofyourcomputer.
ProductRecovery
TheProductRecoveryprogramenablesyoutorestorethecontentsoftheharddiskdrivetothefactory
defaultsettings.
ThinkVantageRescueandRecovery
TheThinkVantageRescueandRecovery
®
programisaonebuttonrecoveryandrestoresolutionthat
includesasetofself-recoverytoolstohelpyoudiagnosecomputerproblems,gethelp,andrecoverfrom
systemcrashes,evenifyoucannotstarttheWindowsoperatingsystem.
PowerManager
ThePowerManagerprogramprovidesconvenient,exible,andcompletepowermanagementforyour
ThinkCentre
®
computer.ByusingthePowerManagerprogram,youcanadjustyourpowersettingsto
achievethebestbalancebetweensystemperformanceandpowersaving.
PasswordManager
ThePasswordManagerprogramhelpsyouautomaticallycaptureandllinauthenticationinformationfor
WindowsapplicationsandWebsites.
ThinkVantageSystemUpdate
TheThinkVantageSystemUpdateprogramhelpsyoukeepthesoftwareonyourcomputerup-to-dateby
downloadingandinstallingsoftwarepackages(ThinkVantageapplications,devicedrivers,BIOSupdates,
andotherthirdpartyapplications).Someexamplesofsoftwarethatyoushouldkeepupdatedareprograms
6ThinkCentreUserGuide
providedbyLenovo,suchastheRescueandRecoveryprogramandtheThinkVantageProductivityCenter
program.
LenovoThinkVantageT oolbox
TheLenovoThinkVantageToolboxprogramhelpsyoumaintainyourcomputer,improvecomputingsecurity,
diagnosecomputerproblems,getfamiliarwiththeinnovativetechnologiesprovidedbyLenovo,andgetmore
informationaboutyourcomputer.Formoreinformation,see“LenovoThinkVantageToolbox”onpage72
.
PC-DoctorforRescueandRecovery
ThePC-DoctorforRescueandRecoverydiagnosticprogramispreinstalledonyourThinkCentrecomputer
aspartoftheRescueandRecoveryworkspacetohelpyoudiagnosehardwareproblems.Itcanalsoreport
operating-system-controlledsettingsthatinterferewiththecorrectoperationofyoursystem.Usethe
PC-DoctorforRescueandRecoverydiagnosticprogramifyouareunabletostarttheWindowsoperating
system.Formoreinformation,see“PC-DoctorforRescueandRecovery”onpage73
.
AdobeReader
TheAdobeReaderprogramisatoolusedtoview,print,andsearchPDFdocuments.
See“OnlineBooksfolderonpage75
formoreinformationaboutaccessingandviewingthepublications.
Antivirussoftware
Yourcomputercomeswithantivirussoftwarethatyoucanusetodetectandeliminateviruses.Lenovo
providesafullversionofantivirussoftwareonyourcomputerwithafree30-daysubscription.After30days,
youmustrenewthelicensetocontinuereceivingtheantivirussoftwareupdates.
Formoreinformationabouthowtouseyourantivirussoftware,refertothehelpsystemofyourantivirus
software.
Locatingcomputercontrols,connectors,andparts
Thissectionprovidesinformationtohelpyoulocateyourcomputercontrols,connectors,andparts.
Chapter1.Productoverview7
Frontview
Figure1“Frontcontrolandpartlocations”onpage8showsthelocationsofthecontrolsandpartsonthe
frontofyourcomputer.
Figure1.Frontcontrolandpartlocations
1 Integratedcamerawithmicrophone(MIC)
(availableinsomemodels)
8 Wirelessactivityindicator
2 Integratedcameraon/offbutton 9 Menu/Enter
3 Liquidcrystaldisplay(LCD)panel 10 Brightnesscontrol/Right
4 Powerswitch
11 Imagesetupcontrol/Left
5 Powerindicator
12 Monitormodecontrol/Exit
6 Harddiskdriveactivityindictor
13 Microphonemute/oncontrol
7 Bluetoothactivityindicator
Usingyourcomputerinmonitormode
Yourcomputercanworkintwomodes:computermodeormonitormode.Thissectionprovidesinstructions
onhowtouseyourcomputerinmonitormode.
8ThinkCentreUserGuide
Touseyourcomputerinmonitormode,youneedtohaveasecondcomputer.ConnectoneendoftheVGA
cabletotheVGAINconnectorontherearofyourcomputer,andtheotherendtotheVGAconnectoron
thesecondcomputer.Usethemonitormodecontrolonthefrontofyourcomputertoswitchyour
computerbetweencomputermodeandmonitormode.
Thefollowingtableshowsthefunctionsofeachcontrolwhenyourcomputerworksincomputermode
ormonitormode.
IconControlDescription
Menu
OpenthemainOn-ScreenDisplay(OSD)menu.
Enter
Conrmaselection.
BrightnesscontrolAdjustoverallmonitorbrightness.
RightMovetotheright.
ImagesetupcontrolAutomaticallyoptimizetheimage.
LeftMovetotheleft.
Cancel/ExitCancelanoperationorexitthemainOSDmenu.
Monitormodecontrol
Switchyourcomputerbetweencomputermodeandmonitormode.
Rearview
Figure2“Rearconnectorlocations”onpage9showsthelocationsoftheconnectorsontherearofyour
computer.Someconnectorsontherearofyourcomputerarecolor-codedtohelpyoudeterminewhereto
connectthecablesonyourcomputer.
Figure2.Rearconnectorlocations
1Cardreader(availableinsomemodels)
9Powercordconnector
2USBconnector
10Integratedcablelockslot
3Headphoneconnector11Ethernetconnector
Chapter1.Productoverview9
4Microphoneconnector
12USBconnectors(4)
5USBconnector
13DisplayPortoutconnector
6Serialport(availableinsomemodels)14VGAINconnector
7PS/2mouseconnector(availableinsomemodels)15ExpressCardslot(availableinsomemodels)
8PS/2keyboardconnector(availableinsome
models)
ConnectorDescription
DisplayPortoutconnector
Usedtoattachahigh-performancemonitor,adirect-drivemonitor,orotherdevices
thatuseaDisplayPortconnector.
Ethernetconnector
UsedtoattachanEthernetcableforalocalareanetwork(LAN).
Note:TooperatethecomputerwithinFCCClassBlimits,useaCategory5Ethernet
cable.
MicrophoneconnectorUsedtoattachamicrophonetoyourcomputerwhenyouwanttorecordsoundor
ifyouusespeech-recognitionsoftware.
PS/2keyboardconnector
(optional)
UsedtoattachakeyboardthatusesaPS/2keyboardconnector.
PS/2mouseconnector
(optional)
Usedtoattachamouse,atrackball,orotherpointingdevicesthatuseaPS/2mouse
connector.
Serialport(optional)
Usedtoattachanexternalmodem,aserialprinter,orotherdevicesthatusea9-pin
serialport.
USBconnectorUsedtoattachadevicethatrequiresaUSBconnector,suchasaUSBkeyboard,aUSB
mouse,aUSBscanner,oraUSBprinter.IfyouhavemorethaneightUSBdevices,you
canpurchaseaUSBhub,whichyoucanusetoconnectadditionalUSBdevices.
VGAINconnectorUsedtoconnectyourcomputertoaVGAmonitorconnectoronasecondcomputerso
thatyoucanuseyourcomputerinmonitormode.
10ThinkCentreUserGuide
Componentlocations
Figure3“Componentlocations”onpage11showsthelocationsofthevariouscomponentsinyour
computer.Toremovethecomputercoverandaccesstheinsideofthecomputer,see“Removingthe
computercover”onpage15
.
Figure3.Componentlocations
1Framestand15Internalspeaker
2VideoElectronicsStandardsAssociation(VESA)
framecover
16Framefoot
3Fanduct17Harddiskdrive
4Heatsink
18RightI/Oassembly
5Memorymodules(2)19Cardreader*
6WI-FIcard*
20Opticaldrivebay
7Microprocessorfan
21Inverter
8Battery
22Computermainbracket
9ExpressCard*23Opticaldrive*
10RearI/Oassembly
24Powersupply
Chapter1.Productoverview11
11Internalspeaker25Integratedcamerawithmicrophone*
12Bluetoothmodule*26Ambientlightsensor*
13Systemfan
27Multi-touchboard*
14RearI/Oassemblycover28VESAframe
Notes:
1.*denotesoptionalparts,whichareavailableinsomemodels.
2.Yourcomputermightcomewithaframestandoraliftstand.Formoreinformationabouttheliftstand,
see“Removingorreinstallingtheliftstand”onpage17
.
Systemboardpartandconnectorlocations
Figure4“Systemboardpartandconnectorlocations”onpage12showsthelocationsofthepartsand
connectorsonthesystemboard.
Figure4.Systemboardpartandconnectorlocations
1Microprocessor
15RearI/Oassemblyconnector
2Multi-touchboardcableconnector
16COMconnector
3Integratedcameracableconnector17Thermalsensorconnector
4Memoryslots(2)18RightI/Oassemblycableconnector
5MiniPCIExpressslot
19Harddiskdrivepowerconnector
6Ambientlightsensorcableconnector
20PS/2keyboardandmouseconnector
12ThinkCentreUserGuide
  • Page 1 1
  • Page 2 2
  • Page 3 3
  • Page 4 4
  • Page 5 5
  • Page 6 6
  • Page 7 7
  • Page 8 8
  • Page 9 9
  • Page 10 10
  • Page 11 11
  • Page 12 12
  • Page 13 13
  • Page 14 14
  • Page 15 15
  • Page 16 16
  • Page 17 17
  • Page 18 18
  • Page 19 19
  • Page 20 20
  • Page 21 21
  • Page 22 22
  • Page 23 23
  • Page 24 24
  • Page 25 25
  • Page 26 26
  • Page 27 27
  • Page 28 28
  • Page 29 29
  • Page 30 30
  • Page 31 31
  • Page 32 32
  • Page 33 33
  • Page 34 34
  • Page 35 35
  • Page 36 36
  • Page 37 37
  • Page 38 38
  • Page 39 39
  • Page 40 40
  • Page 41 41
  • Page 42 42
  • Page 43 43
  • Page 44 44
  • Page 45 45
  • Page 46 46
  • Page 47 47
  • Page 48 48
  • Page 49 49
  • Page 50 50
  • Page 51 51
  • Page 52 52
  • Page 53 53
  • Page 54 54
  • Page 55 55
  • Page 56 56
  • Page 57 57
  • Page 58 58
  • Page 59 59
  • Page 60 60
  • Page 61 61
  • Page 62 62
  • Page 63 63
  • Page 64 64
  • Page 65 65
  • Page 66 66
  • Page 67 67
  • Page 68 68
  • Page 69 69
  • Page 70 70
  • Page 71 71
  • Page 72 72
  • Page 73 73
  • Page 74 74
  • Page 75 75
  • Page 76 76
  • Page 77 77
  • Page 78 78
  • Page 79 79
  • Page 80 80
  • Page 81 81
  • Page 82 82
  • Page 83 83
  • Page 84 84
  • Page 85 85
  • Page 86 86
  • Page 87 87
  • Page 88 88
  • Page 89 89
  • Page 90 90
  • Page 91 91
  • Page 92 92
  • Page 93 93
  • Page 94 94

Lenovo 0870A4U User manual

Category
All-in-One workstations
Type
User manual

Ask a question and I''ll find the answer in the document

Finding information in a document is now easier with AI