Lenovo M5800 User Manual

LenovoM5800
UserGuide

MachineTypes:90AHand10155

Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadandunderstandthe

“Importantsafetyinformation”onpageiii

andAppendixA“Notices”onpage43.

FirstEdition(August2013)

©CopyrightLenovo2013.

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

Contents

Importantsafetyinformation.....iii

Serviceandupgrades.............iii

Staticelectricityprevention...........iii

Powercordsandpoweradapters........iv

Extensioncordsandrelateddevices.......iv

Plugsandoutlets...............iv

Externaldevices...............v

Heatandproductventilation..........v

Operatingenvironment............vi

Modemsafetyinformation...........vi

Lasercompliancestatement..........vi

Powersupplystatement...........vii

Cleaningandmaintenance..........vii

Chapter1.Productoverview......1

Specications................1

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

Locatingconnectors,controls,andindicators

onthefrontofyourcomputer........2

Locatingconnectorsontherearofyour

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

Locatingpartsonthesystemboard.....5

Chapter2.Youandyourcomputer...7

Accessibilityandcomfort...........7

Arrangingyourworkspace.........7

Comfort................7

Glareandlighting.............8

Aircirculation..............8

Electricaloutletsandcablelengths......8

Movingyourcomputertoanothercountryor

region...................9

Voltage-selectionswitch..........9

Replacementpowercords.........9

Chapter3.Security..........11

Lockingthecomputercover.........11

AttachingaKensington-stylecablelock.....12

Usingpasswords..............12

BIOSpasswords............12

Windowspasswords..........13

Usingandunderstandingrewalls.......13

Chapter4.Recoveryinformation...15

RecoveryinformationfortheWindows8operating

system..................15

UsingRescueSystem............16

Chapter5.UsingtheSetupUtility

program................19

StartingtheSetupUtilityprogram.......19

Viewingandchangingsettings........19

Usingpasswords..............19

Passwordconsiderations.........20

Power-OnPassword..........20

AdministratorPassword.........20

HardDiskPassword...........20

Setting,changing,anddeletingapassword.20

Enablingordisablingadevice........21

Selectingastartupdevice..........21

Selectingatemporarystartupdevice....21

Selectingorchangingthestartupdevice

sequence...............21

EnablingErPcompliancemode........22

ICEperformancemode...........22

ICEthermalalert..............23

ExitingtheSetupUtilityprogram.......23

Chapter6.Preventingproblems...25

Keepingyourcomputercurrent........25

Gettingthelatestdevicedriversforyour

computer...............25

Updatingyouroperatingsystem......25

Cleaningandmaintenance..........26

Basics................26

Cleaningyourcomputer.........26

Goodmaintenancepractices.......27

Movingyourcomputer...........28

Chapter7.Troubleshootingand

diagnostics..............29

Basictroubleshooting............29

Troubleshootingprocedure..........30

Troubleshooting..............30

Audioproblems............31

CDproblems.............32

DVDproblems.............33

Intermittentproblems..........34

Keyboard,mouse,orpointingdevice

problems...............34

Monitorproblems............35

Networkingproblems..........37

Performanceandlockupproblems.....39

Printerproblems............41

Serialportproblems...........41

©CopyrightLenovo2013

i

USBproblems.............42

AppendixA.Notices..........43

Trademarks................44

RecyclinginformationforBrazil........50

BatteryrecyclinginformationforT aiwan.....50

BatteryrecyclinginformationfortheEuropean

Union..................50

AppendixB.Regulatory

information..............45

Exportclassicationnotice..........45

Electronicemissionsnotices.........45

FederalCommunicationsCommission

DeclarationofConformity........45

Eurasiancompliancemark..........47

Additionalregulatoryinformation.......47

AppendixC.WEEEandrecycling

information..............49

ImportantWEEEinformation.........49

RecyclinginformationforJapan........49

AppendixD.RestrictionofHazardous

SubstancesDirective(RoHS).....53

EuropeanUnionRoHS...........53

ChinaRoHS................53

TurkishRoHS...............53

UkraineRoHS...............54

IndiaRoHS................54

AppendixE.ChinaEnergyLabel...55

AppendixF .ENERGYST ARmodel

information..............57

iiLenovoM5800UserGuide

Importantsafetyinformation

CAUTION:
Beforeusingthismanual,besuretoreadandunderstandalltherelatedsafetyinformationforthis
product.RefertotheinformationinthissectionandthesafetyinformationintheSafety,Warranty,and
SetupGuidethatyoureceivedwiththisproduct.Readingandunderstandingthissafetyinformation
reducestheriskofpersonalinjuryanddamagetoyourproduct.

IfyounolongerhaveacopyoftheSafety,Warranty,andSetupGuide,youcanobtainaPortableDocument
Format(PDF)versionfromtheLenovo
SupportWebsitealsoprovidestheSafety,Warranty,andSetupGuideandthisUserGuideinadditional
languages.

®

SupportWebsiteathttp://www.lenovo.com/support.TheLenovo

Serviceandupgrades

DonotattempttoserviceaproductyourselfunlessinstructedtodosobytheCustomerSupportCenteror
yourdocumentation.OnlyuseaServiceProviderwhoisapprovedtorepairyourparticularproduct.

Note:Somecomputerpartscanbeupgradedorreplacedbythecustomer.Upgradestypicallyare
referredtoasoptions.ReplacementpartsapprovedforcustomerinstallationarereferredtoasCustomer
ReplaceableUnits,orCRUs.Lenovoprovidesdocumentationwithinstructionswhenitisappropriatefor
customerstoinstalloptionsorreplaceCRUs.Y oumustcloselyfollowallinstructionswheninstallingor
replacingparts.TheOffstateofapowerindicatordoesnotnecessarilymeanthatvoltagelevelsinsidea
productarezero.Beforeyouremovethecoversfromaproductequippedwithapowercord,alwaysensure
thatthepoweristurnedoffandthattheproductisunpluggedfromanypowersource.

Althoughtherearenomovingpartsinyourcomputerafterthepowercordhasbeendisconnected,the
followingwarningsarerequiredforyoursafety.

CAUTION:

Hazardousmovingparts.Keepngersandotherbodypartsaway.

CAUTION:

BeforereplacinganyCRUs,turnoffthecomputerandwaitthreetoveminutestoletthecomputer
coolbeforeopeningthecover.

Staticelectricityprevention

Staticelectricity,althoughharmlesstoyou,canseriouslydamagecomputercomponentsandoptions.
Improperhandlingofstatic-sensitivepartscancausedamagetothepart.Whenyouunpackanoption
orCRU,donotopenthestatic-protectivepackagecontainingthepartuntiltheinstructionsdirectyou
toinstallit.

©CopyrightLenovo2013

iii

WhenyouhandleoptionsorCRUs,orperformanyworkinsidethecomputer,takethefollowingprecautions
toavoidstatic-electricitydamage:

•Limityourmovement.Movementcancausestaticelectricitytobuilduparoundyou.

•Alwayshandlecomponentscarefully.Handleadapters,memorymodules,andothercircuitboardsbythe

edges.Nevertouchexposedcircuitry.

•Preventothersfromtouchingcomponents.

•Whenyouinstallastatic-sensitiveoptionorCRU,touchthestatic-protectivepackagecontainingthe

parttoametalexpansion-slotcoverorotherunpaintedmetalsurfaceonthecomputerforatleasttwo
seconds.Thisreducesstaticelectricityinthepackageandyourbody.

•Whenpossible,removethestatic-sensitivepartfromthestatic-protectivepackagingandinstallthepart

withoutsettingitdown.Whenthisisnotpossible,placethestatic-protectivepackagingonasmooth,
levelsurfaceandplacethepartonit.

•Donotplacethepartonthecomputercoverorothermetalsurface.

Powercordsandpoweradapters

Useonlythepowercordsandpoweradapterssuppliedbytheproductmanufacturer.

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

Neverwrapapowercordaroundapoweradapterorotherobject.Doingsocanstressthecordinwaysthat
cancausethecordtofray,crack,orcrimp.Thiscanpresentasafetyhazard.

Alwaysroutepowercordssothattheywillnotbewalkedon,trippedover,orpinchedbyobjects.

Protectpowercordandpoweradaptersfromliquids.Forinstance,donotleaveyourpowercordorpower
adapternearsinks,tubs,toilets,oronoorsthatarecleanedwithliquidcleansers.Liquidscancausea
shortcircuit,particularlyifthepowercordorpoweradapterhasbeenstressedbymisuse.Liquidsalsocan
causegradualcorrosionofpowercordterminalsand/ortheconnectorterminalsonapoweradapter,
whichcaneventuallyresultinoverheating.

Ensurethatallpowercordconnectorsaresecurelyandcompletelypluggedintoreceptacles.

Donotuseanypoweradapterthatshowscorrosionattheacinputpinsorshowssignsofoverheating(such
asdeformedplastic)attheacinputoranywhereonthepoweradapter.

Donotuseanypowercordswheretheelectricalcontactsoneitherendshowsignsofcorrosionor
overheatingorwherethepowercordappearstohavebeendamagedinanyway.

2

,orbetter.For

Extensioncordsandrelateddevices

Ensurethatextensioncords,surgeprotectors,uninterruptiblepowersupplies,andpowerstripsthatyouuse
areratedtohandletheelectricalrequirementsoftheproduct.Neveroverloadthesedevices.Ifpowerstrips
areused,theloadshouldnotexceedthepowerstripinputrating.Consultanelectricianformoreinformation
ifyouhavequestionsaboutpowerloads,powerrequirements,andinputratings.

Plugsandoutlets

Ifareceptacle(poweroutlet)thatyouintendtousewithyourcomputerequipmentappearstobedamaged
orcorroded,donotusetheoutletuntilitisreplacedbyaqualiedelectrician.

ivLenovoM5800UserGuide

Donotbendormodifytheplug.Iftheplugisdamaged,contactthemanufacturertoobtainareplacement.

Donotshareanelectricaloutletwithotherhomeorcommercialappliancesthatdrawlargeamountsof
electricity;otherwise,unstablevoltagemightdamageyourcomputer,data,orattacheddevices.

Someproductsareequippedwithathree-prongedplug.Thisplugtsonlyintoagroundedelectricaloutlet.
Thisisasafetyfeature.Donotdefeatthissafetyfeaturebytryingtoinsertitintoanon-groundedoutlet.If
youcannotinserttheplugintotheoutlet,contactanelectricianforanapprovedoutletadapterortoreplace
theoutletwithonethatenablesthissafetyfeature.Neveroverloadanelectricaloutlet.Theoverallsystem
loadshouldnotexceed80percentofthebranchcircuitrating.Consultanelectricianformoreinformation
ifyouhavequestionsaboutpowerloadsandbranchcircuitratings.

Besurethatthepoweroutletyouareusingisproperlywired,easilyaccessible,andlocatedclosetothe
equipment.Donotfullyextendpowercordsinawaythatwillstressthecords.

Besurethatthepoweroutletprovidesthecorrectvoltageandcurrentfortheproductyouareinstalling.

Carefullyconnectanddisconnecttheequipmentfromtheelectricaloutlet.

Externaldevices

DonotconnectordisconnectanyexternaldevicecablesotherthanUniversalSerialBus(USB)and1394
cableswhilethecomputerpowerison;otherwise,youmightdamageyourcomputer.Toavoidpossible
damagetoattacheddevices,waitatleastvesecondsafterthecomputerisshutdowntodisconnect
externaldevices.

Heatandproductventilation

Computers,poweradapters,andmanyaccessoriescangenerateheatwhenturnedonandwhenbatteries
arecharging.Alwaysfollowthesebasicprecautions:

•Donotleaveyourcomputer,poweradapter,oraccessoriesincontactwithyourlaporanypartofyour
bodyforanextendedperiodwhentheproductsarefunctioningorwhenthebatteryischarging.Your
computer,poweradapter,andmanyaccessoriesproducesomeheatduringnormaloperation.Extended
contactwiththebodycouldcausediscomfortor,potentially,askinburn.

•Donotchargethebatteryoroperateyourcomputer,poweradapter,oraccessoriesnearammable
materialsorinexplosiveenvironments.

•Ventilationslots,fans,andheatsinksareprovidedwiththeproductforsafety,comfort,andreliable
operation.Thesefeaturesmightinadvertentlybecomeblockedbyplacingtheproductonabed,sofa,
carpet,orotherexiblesurface.Neverblock,cover,ordisablethesefeatures.

Inspectyourdesktopcomputerfordustaccumulationatleastonceeverythreemonths.Beforeinspecting
yourcomputer,turnoffthepowerandunplugthecomputer'spowercordfromtheelectricaloutlet;then
removeanydustfromventsandperforationsinthebezel.Ifyounoticeexternaldustaccumulation,then
examineandremovedustfromtheinsideofthecomputerincludingheatsinkinletns,powersupplyvents,
andfans.Alwaysturnoffandunplugthecomputerbeforeopeningthecover.Ifpossible,avoidoperating
yourcomputerwithintwofeetofhigh-trafcareas.Ifyoumustoperateyourcomputerinornearahigh-trafc
area,inspectand,ifnecessary,cleanyourcomputermorefrequently.

Foryoursafetyandtomaintainoptimumcomputerperformance,alwaysfollowthesebasicprecautions
withyourdesktopcomputer:

•Keepthecoverclosedwheneverthecomputerispluggedin.

•Regularlyinspecttheoutsideofthecomputerfordustaccumulation.

©CopyrightLenovo2013

v

•Removedustfromventsandanyperforationsinthebezel.Morefrequentcleaningsmightberequiredfor
computersindustyorhigh-trafcareas.

•Donotrestrictorblockanyventilationopenings.

•Donotstoreoroperateyourcomputerinsidefurniture,asthismightincreasetheriskofoverheating.

•Airowtemperaturesintothecomputershouldnotexceed35°C(95°F).

•Donotinstallairltrationdevices.Theymayinterferewithpropercooling.

Operatingenvironment

Theoptimalenvironmentinwhichtouseyourcomputeris10°C-35°C(50°F-95°F)withhumidityranging
between35%and80%.Ifyourcomputerisstoredortransportedintemperatureslessthan10°C(50°F),
allowthecoldcomputertoriseslowlytoanoptimaloperatingtemperatureof10°C-35°C(50°F-95°F)before
use.Thisprocesscouldtaketwohoursinextremeconditions.Failuretoallowyourcomputertorisetoan
optimaloperatingtemperaturebeforeusecouldresultinirreparabledamagetoyourcomputer.

Ifpossible,placeyourcomputerinawell-ventilatedanddryareawithoutdirectexposuretosunshine.

Keepelectricalappliancessuchasanelectricfan,radio,high-poweredspeakers,airconditioner,and
microwaveovenawayfromyourcomputerbecausethestrongmagneticeldsgeneratedbythese
appliancescandamagethemonitoranddataontheharddiskdrive.

Donotplaceanybeveragesontopoforbesidethecomputerorotherattacheddevices.Ifliquidisspilledon
orinthecomputeroranattacheddevice,ashortcircuitorotherdamagemightoccur.

Donoteatorsmokeoveryourkeyboard.Particlesthatfallintoyourkeyboardcancausedamage.

Modemsafetyinformation

CAUTION:
Toreducetheriskofre,useonlyNo.26AWGorlarger(forexample,No.24AWG)telecommunication
linecordlistedbyUnderwritersLaboratories(UL)orcertiedbytheCanadianStandardsAssociation
(CSA).

Toreducetheriskofre,electricalshock,orinjurywhenusingtelephoneequipment,alwaysfollowbasic
safetyprecautions,suchas:

•Neverinstalltelephonewiringduringalightningstorm.

•Neverinstalltelephonejacksinwetlocationsunlessthejackisspecicallydesignedforwetlocations.

•Nevertouchuninsulatedtelephonewiresorterminalsunlessthetelephonelinehasbeendisconnectedat
thenetworkinterface.

•Usecautionwheninstallingormodifyingtelephonelines.

•Avoidusingatelephone(otherthanacordlesstype)duringanelectricalstorm.Theremaybearemote
riskofelectricshockfromlightning.

•Donotusethetelephonetoreportagasleakinthevicinityoftheleak.

Lasercompliancestatement

viLenovoM5800UserGuide

CAUTION:
Whenlaserproducts(suchasCD-ROMs,DVDdrives,beropticdevices,ortransmitters)are
installed,notethefollowing:

•Donotremovethecovers.Removingthecoversofthelaserproductcouldresultinexposureto
hazardouslaserradiation.Therearenoserviceablepartsinsidethedevice.

•Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespeciedherein
mightresultinhazardousradiationexposure.

DANGER

SomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing:

Laserradiationwhenopen.Donotstareintothebeam,donotviewdirectlywithoptical
instruments,andavoiddirectexposuretothebeam.

Powersupplystatement

Neverremovethecoveronapowersupplyoranypartthathasthefollowinglabelattached.

Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislabelattached.
Therearenoserviceablepartsinsidethesecomponents.Ifyoususpectaproblemwithoneoftheseparts,
contactaservicetechnician.

Cleaningandmaintenance

Keepyourcomputerandworkspaceclean.Shutdownthecomputerandthendisconnectthepower
cordbeforecleaningthecomputer.Donotsprayanyliquiddetergentdirectlyonthecomputeroruse
anydetergentcontainingammablematerialtocleanthecomputer.Spraythedetergentonasoftcloth
andthenwipethecomputersurfaces.

©CopyrightLenovo2013

vii

viiiLenovoM5800UserGuide

Chapter1.Productoverview

Thischapterprovidesinformationaboutthecomputerspecications,locationsofconnectors,andparts
onthesystemboard.

Specications

Thissectionliststhespecicationsforyourcomputer.

Preinstalledoperatingsystem

Yourcomputerispreinstalledwithoneofthefollowingoperatingsystems:

•Microsoft

•DOS

Environment

•Airtemperature:

•Humidity:

•Altitude:

Electricalinput

•Inputvoltage:

–Lowrange:

–Highrange:

®

Windows

Operating:10°Cto35°C(50°Fto95°F)
Storageinoriginalshippingpackage:-40°Cto60°C(-40°Fto140°F)
Storagewithoutpackage:-10°Cto60°C(14°Fto140°F)

Operating:20%to80%(non-condensing)
Storage:20%to90%(non-condensing)

Operating:-15.2to3048m(-50to10000ft)
Storage:-15.2to10668m(-50to35000ft)

Minimum:100Vac
Maximum:127Vac
Inputfrequencyrange:50to60Hz

Minimum:200Vac
Maximum:240Vac
Inputfrequencyrange:50to60Hz

®

8operatingsystem

Locations

Thissectionprovidesinformationtohelpyoulocatetheconnectorsonthefrontandrearofyourcomputer
andpartsonthesystemboard.

©CopyrightLenovo2013

1

Locatingconnectors,controls,andindicatorsonthefrontofyour computer

Figure1“Frontconnector,control,andindicatorlocations”onpage2showsthelocationsoftheconnectors,
controls,andindicatorsonthefrontofyourcomputer.

Figure1.Frontconnector,control,andindicatorlocations

1Harddiskdriveactivityindicator

2Powerswitch6Microphoneconnector

3Powerindicator7Headphoneconnector

4Opticaldriveeject/closebutton8USB2.0connector

5USB2.0connector

2LenovoM5800UserGuide

Locatingconnectorsontherearofyourcomputer

Figure2“Rearconnectorlocations”onpage3showsthelocationsoftheconnectorsontherearofyour
computer.Someconnectorsontherearofyourcomputerarecolor-codedtohelpyoudeterminewhereto
connectthecablesonyourcomputer.

Figure2.Rearconnectorlocations

1Voltage-selectionswitch(availableonsomemodels)

2Powercordconnector

3Serialport(Serialport1)12PCIExpressx1cardslot

4VGAmonitorconnector13PCIcardslots(2)

5DisplayPortconnector

6USB3.0connectors(USBports5to8)

7USB2.0connectors(USBports3and4)16Optionalserialport(Serialport2)

8Microphoneconnector17Ethernetconnector

9Audioline-inconnector

10Audioline-outconnector

11PCIExpressx16graphicscardslot

14Integratedcablelock(Kensingtonlock)slot

15Padlockloop

18PS/2keyboardandmouseconnectors(optional)

Note:Ifyourcomputerisinstalledwithagraphicscard,ensurethatyouusethemonitorconnectorson
thegraphicscard.

ConnectorDescription

Audioline-inconnector

Audioline-outconnector

Usedtoreceiveaudiosignalsfromanexternalaudiodevice,suchasastereo
system.Whenyouattachanexternalaudiodevice,acableisconnectedbetween
theaudioline-outconnectorofthedeviceandtheaudioline-inconnectorofthe
computer.

Usedtosendaudiosignalsfromthecomputertoexternaldevices,suchaspowered
stereospeakers(speakerswithbuilt-inampliers),headphones,multimedia
keyboards,ortheaudioline-inconnectoronastereosystemorotherexternal
recordingdevice.

Chapter1.Productoverview3

ConnectorDescription

DisplayPortconnector

Ethernetconnector

Microphoneconnector

PS/2keyboardconnector
(optional)

PS/2mouseconnector
(optional)

Serialport

USB2.0connectorUsedtoattachadevicethatrequiresaUSB2.0connector,suchasaUSB

USB3.0connectorUsedtoattachadevicethatrequiresaUSB2.0or3.0connector,suchasaUSB

VGAmonitorconnectorUsedtoattachaVGAmonitororotherdevicesthatuseaVGAmonitorconnector.

Usedtoattachahigh-performancemonitor,adirect-drivemonitor,orotherdevices
thatuseaDisplayPortconnector.

UsedtoattachanEthernetcableforalocalareanetwork(LAN).
Note:T ooperatethecomputerwithinFCCClassBlimits,useaCategory5Ethernet
cable.

Usedtoattachamicrophonetoyourcomputerwhenyouwanttorecordsoundorif
youusespeech-recognitionsoftware.

UsedtoattachakeyboardthatusesaPS/2keyboardconnector.

Usedtoattachamouse,atrackball,orotherpointingdevicesthatuseaPS/2
mouseconnector.

Usedtoattachanexternalmodem,aserialprinter,orotherdevicesthatusea
9-pinserialport.

keyboard,aUSBmouse,aUSBscanner,oraUSBprinter.Ifyouhavemorethan
eightUSBdevices,youcanpurchaseaUSBhub,whichyoucanusetoconnect
additionalUSBdevices.

keyboard,aUSBmouse,aUSBscanner,oraUSBprinter.Ifyouhavemorethan
eightUSBdevices,youcanpurchaseaUSBhub,whichyoucanusetoconnect
additionalUSBdevices.

4LenovoM5800UserGuide

Locatingpartsonthesystemboard

Figure3“Systemboardpartlocations”onpage5showsthelocationsofthepartsonthesystemboard.

Figure3.Systemboardpartlocations

14-pinpowerconnector

15Frontpanelconnector(forconnectingLEDindicators

andthepowerswitch)

2Microprocessor

16FrontUSBconnector1(forconnectingUSBports

1and2onthefrontbezel)

3Microprocessorfanconnector

17FrontUSBconnector2(forconnectinganadditional

USBdevice)

4Memoryslot1(DIMM1)18ClearCMOS(ComplementaryMetalOxide

Semiconductor)/Recoveryjumper

5Memoryslot2(DIMM2)19Serial(COM2)connector

6Memoryslot3(DIMM3)

7Memoryslot4(DIMM4)

8Thermalsensorconnector

94-pinpowerconnectors(2)23PCIExpressx1cardslot

1014-pinpowerconnector

11Battery

20Internalspeakerconnector

21Frontaudioconnector

22PCIcardslots(2)

24PCIExpressx16graphicscardslot

25Coverpresenceswitchconnector(intrusionswitch

connector)

12SATA3.0connectors(4)26Systemfanconnector

13Powerfanconnector

14Parallelconnector

27PS/2keyboardandmouseconnector

Chapter1.Productoverview5

6LenovoM5800UserGuide

Chapter2.Youandyourcomputer

Thischapterprovidesinformationaboutaccessibility,comfort,andrelocatingyourcomputertoother
countriesorregions.

Accessibilityandcomfort

Goodergonomicpracticeisimportanttogetthemostfromyourpersonalcomputerandtoavoiddiscomfort.
Arrangeyourworkplaceandtheequipmentyouusetosuityourindividualneedsandthekindofwork
thatyouperform.Inaddition,usehealthyworkhabitstomaximizeyourperformanceandcomfortwhile
usingyourcomputer.

Thefollowingtopicsprovideinformationaboutarrangingyourworkarea,settingupyourcomputer
equipment,andestablishinghealthyworkhabits:

Lenovoiscommittedtoprovidingpeoplewithdisabilitiesgreateraccesstoinformationandtechnology.
Asaresult,thefollowinginformationprovideswaystohelpusersthathavehearing,vision,andmobility
limitationsgetthemostoutoftheircomputerexperience.

Assistivetechnologiesenableuserstoaccessinformationinthemostappropriateway.Someofthese
technologiesarealreadyprovidedinyouroperatingsystem,otherscanbepurchasedthroughvendors,or
accessedthroughtheWorldWideWeb:
http://www.lenovo.com/healthycomputing

Arrangingyourworkspace

Togetthemostfromyourcomputer,arrangeboththeequipmentyouuseandyourworkareatosuityour
needsandthekindofworkyoudo.Yourcomfortisofforemostimportance,butlightsources,aircirculation,
andthelocationofelectricaloutletscanalsoaffectthewayyouarrangeyourworkspace.

Comfort

Althoughnosingleworkingpositionisidealforeveryone,hereareafewguidelinestohelpyounda
positionthatsuitsyoubest.

Sittinginthesamepositionforalongtimecancausefatigue.Thebackrestandseatofyourchairshould
adjustindependentlyandprovidegoodsupport.Theseatshouldhaveacurvedfronttorelievepressureon
thethighs.Adjusttheseatsothatyourthighsareparalleltotheoorandyourfeetareeitheratonthe
oororonafootrest.

Whenusingthekeyboard,keepyourforearmsparalleltotheoorandyourwristsinacomfortableposition.
Usealighttouchonthekeyboardandyourhandsandngersrelaxed.Changetheangleofthekeyboard
formaximumcomfortbyadjustingthepositionofthekeyboardfeet.

©CopyrightLenovo2013

7

Adjustthemonitorsothetopofthescreenisat,orslightlybelow,eyelevel.Placethemonitorata
comfortableviewingdistance,usually51to61cm(20to24inches),andpositionitsoyoucanviewit
withouthavingtotwistyourbody.Also,positionotherequipmentyouuseregularly,suchasthetelephoneor
amouse,withineasyreach.

Glareandlighting

Positionthemonitortominimizeglareandreectionsfromoverheadlights,windows,andotherlightsources.
Reectedlightfromshinysurfacescancauseannoyingreectionsonyourmonitorscreen.Placethe
monitoratrightanglestowindowsandotherlightsources,whenpossible.Reduceoverheadlighting,if
necessary,byturningofflightsorusinglowerwattagebulbs.Ifyouinstallthemonitornearawindow,use
curtainsorblindstoblockthesunlight.Y oucanadjustthebrightnessandcontrastcontrolsonthemonitor
astheroomlightingchangesthroughouttheday.

Whereitisimpossibletoavoidreectionsortoadjustthelighting,anantiglarelterplacedoverthescreen
mightbehelpful.However,theseltersmightaffecttheclarityoftheimageonthescreen;trythemonlyafter
youhaveexhaustedothermethodsofreducingglare.

Dustbuildupcompoundsproblemsassociatedwithglare.Remembertocleanyourmonitorscreen
periodicallyusingasoftclothasdirectedinyourmonitordocumentation.

Aircirculation

Yourcomputerandmonitorproduceheat.Thecomputerhasafanthatpullsinfreshairandforcesouthot
air.Themonitorletshotairescapethroughvents.Blockingtheairventscancauseoverheating,whichmight
resultinamalfunctionordamage.Placethecomputerandmonitorsothatnothingblockstheairvents;
usually,51mm(2inches)ofairspaceissufcient.Also,ensurethattheventedairisnotblowingonpeople.

Electricaloutletsandcablelengths

Thelocationofelectricaloutlets,thelengthofpowercordsandcablesthatconnecttothemonitor,printer,
andotherdevicesmightdeterminethenalplacementofyourcomputer.

Whenarrangingyourworkspace:

•Avoidtheuseofextensioncords.Whenpossible,plugthecomputerpowercorddirectlyintoanelectrical
outlet.

•Keeppowercordsandcablesneatlyroutedawayfromwalkwaysandotherareaswheretheymight
getkickedaccidentally.

Formoreinformationaboutpowercords,see“Powercordsandpoweradapters”onpageiv

8LenovoM5800UserGuide

.

Movingyourcomputertoanothercountryorregion

Whenyoumoveyourcomputertoanothercountryorregion,youmusttakelocalelectricalstandardsinto
consideration.Thissectionprovidesinformationonthefollowing:

•“Voltage-selectionswitch”onpage9

•“Replacementpowercords”onpage9

Voltage-selectionswitch

Somecomputersareequippedwithavoltage-selectionswitchlocatednearthepower-cordconnection
pointonthecomputerandsomecomputersdonothaveavoltage-selectionswitch.Beforeyouinstall
yourcomputerorrelocateyourcomputertoanothercountryorregion,youmustbecertainthatyouhave
matchedyourcomputertothevoltageavailableatyourelectricaloutlet.

CAUTION:
Youmustknowthevoltageoftheelectricalconnection(outlet)whereyourcomputerwillbe
connected.Ifyoudonotknowthevoltage,contactyourlocalelectriccompanyorrefertoofcial
Websitesorotherliteraturefortravelerstothecountryorregionwhereyouarelocated.

Ifyourcomputerhasavoltage-selectionswitch,youmustsettheswitchtomatchthevoltageavailableat
yourelectricaloutlet.Settingthevoltage-selectionswitchincorrectlywillcausethecomputertomalfunction
andmightcausepermanentdamagetothecomputer.Donotconnectthecomputertoanelectrical
outletuntilyouhaveveriedthatthevoltage-selectionswitchsettingmatchesthevoltageavailableatthe
electricaloutlets.

Ifyourcomputerdoesnothaveavoltage-selectionswitch,inspectthevoltage-ratinglabelonthebottomof
thecomputerandnotethefollowing:

•Ifthevoltage-ratinglabelshowsarangeofeither“100-127V”or“200-240V,”youmustensurethatthe
voltageprovidedattheelectricaloutletmatchesthevoltageratingonthecomputerlabel.Ifitdoes
notmatch,donotattempttoconnectthecomputertotheelectricaloutlet,unlessanexternaldevice
suchasavoltage-convertingtransformerisused.

•Ifthevoltage-ratinglabelshowsadualrangeof“100-127V”and“200-240V,”thissigniesthatthe
computerissuitableforworldwideoperationandthecomputerwillautomaticallyadjusttothevoltageat
theelectricaloutletregardlessofthecountryorregionwherethecomputerisbeingconnected.

Replacementpowercords

Ifyourelocateyourcomputertoacountryorregionthatusesanelectricaloutletstyledifferentfromthe
typeyouarecurrentlyusing,youwillhavetopurchaseeitherelectricalplugadaptersornewpowercords.
YoucanorderpowercordsdirectlyfromLenovo.

Forpowercordinformationandpartnumbers,goto:
http://www.lenovo.com/powercordnotice

Chapter2.Youandyourcomputer9

10LenovoM5800UserGuide

Chapter3.Security

Thischapterprovidesinformationabouthowtoprotectyourcomputerfromtheftandunauthorizeduse.

Lockingthecomputercover

Lockingthecomputercoverhelpspreventunauthorizedpeoplefromgainingaccesstotheinsideofyour
computer.Yourcomputercomeswithapadlockloopsothatthecomputercovercannotberemoved
whenapadlockisinstalled.

Figure4.Installingapadlock

©CopyrightLenovo2013

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