Lenovo M490s notebook User Manual

HardwareMaintenanceManualLenovoM490s

•Keepthepartsinprotectivepackagesuntiltheyareinsertedintotheproduct.•Avoidcontactwithotherpeople.•Wearagroundedwriststrapagainstyourskintoeliminatesta

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Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadthegeneralinformationunderAppendixA“Notices”onpage71.FirstEdition(January2013)©Copy

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Chapter2.GeneralcheckoutThischaptercontainsthefollowingtopics:•“Whattodorst”onpage21•“Powersystemcheckout”onpage22Beforeyougotothecheckoutinstruction

•Improperdiscinsertionoruseofanopticaldrive•Diskettedrivedamagecausedbypressureonthediskettedrivecover,foreignmaterialinthedrive,ortheinsertionofadisk

•Ifthevoltageisacceptable,dothefollowing:a.Replacethesystemboard.b.Iftheproblempersists,calltheCustomerSupportCenter.Note:Noisefromtheacpoweradapterdo

ContentsAboutthismanual...iiiChapter1.Safetyinformation...1Generalsafety...1Electricalsafety...1Safetyinspectiongu

•Ifthevoltageismorethan+12.0Vdc,dischargethebatterypackuntilthevoltagebecomeslessthan+12.0Vdcandthenrechargethebatterypack.Ifthevoltagestillislessthan

Chapter3.ImportantserviceinformationThischapterpresentsthefollowinginformation:•“Recoveringthecomputersettings”onpage25•“Usingpasswords”onpage25•“Powe

Attention:Ifyouforgetthepassword,thereisnoserviceproceduretoresetthepassword.Thesystemboardmustbereplacedforascheduledfee.•Power-onpassword:Apower-onp

HibernationmodeInhibernationmode,thefollowingoccurs:•Thesystemstatus,RAM,VRAM,andsetupdataarestoredontheharddiskdrive.•Thesystemispoweredoff.Ifyouhave

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Chapter4.StatusindicatorsThistopicpresentsthesystemstatusindicatorsthatshowthestatusofthecomputer.1234Table1.StatusindicatorsIndicatorMeaning1Deviceac

Table1.Statusindicators(continued)IndicatorMeaning3CapsLockstatusindicatorCap sLkToenableordisableCapsLockmode,presstheCapsLockkey.•White:CapsLockmode

Chapter5.FnkeycombinationsThefollowingtabledescribesthefunctionsofFnkeycombinations.Table2.FunctionkeycombinationsKeycombinationDescriptionFn+Esc•Wind

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Chapter6.LocationsThischapterprovidesinformationaboutcomponentlocations.Locatingcomputercontrols,connectors,andindicatorsThistopicintroducesthelocatio

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Bottomview210143456789Figure2.Bottomview1Batterylock6Fanlouvers2Batterypack7USB2.0connector3Batterylatch8Comboaudiojack4Speakers9Mediacardreaderslot5S

–Self-serviceCRUs:TheseCRUsunplugorareheldbynomorethantwoscrews.ExamplesofthesetypesofCRUsincludetheacpoweradapter,powercord,battery,andharddiskdrive.

Table3.MajorFRUsandCRUsNo.FRUdescriptionCRUID1LCDunitN2KeyboardbezelN3DC-inconnectorN4SpeakersN5FingerprintboardN6FingerprintboardbracketN7Systemboard

1234675Table4.LCDFRUsNo.FRUdescriptionCRUID1LCDBezelN2HingesN3CameraandmicrophonesboardN4LCDcoverN5AntennasN6LCDcableN7LCDpanelNLookingupFRUinformatio

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Chapter7.FRUreplacementnoticesThischapterpresentsnoticesrelatedtoremovingandreplacingparts.ReadthischaptercarefullybeforereplacinganyFRU.CRUstatementf

•IfyouareinstructedtoreplaceaFRUbutthereplacementdoesnotsolvetheproblem,reinstalltheoriginalFRUbeforeyoucontinue.•Somecomputershavebothaprocessorboard

Chapter8.RemovingorreplacingaFRUThischapterprovidesinstructionsonhowtoremoveorreplaceaFRU.CRUstatementforcustomers:Youcanresolvesomeproblemswithyourpr

1010BatterypackRemovalstepsofthebatterypackDANGERUseonlythebatteryspeciedinthepartslistforyourcomputer.Anyotherbatterycouldigniteorexplode.Unlocktheb

RemovalstepsofthebottomslotcoverRemovethescrews1,andthenremovethebottomslotcover2.211StepScrew(quantity)ColorTorque1M2×4mm,at-head,nylon-coated(2)Bla

AboutthismanualThismanualprovidesserviceandreferenceinformationforthefollowingLenovo®products.MachineMachineType(MT)LenovoM490s6275,6276,20214,20215Th

RemovalstepsofthememorymodulesReleasethetwolatchesonbothedgesofthesocketatthesametime1,andthencarefullyremovethememorymodule2.211Wheninstalling:Insert

1040HarddiskdriveassemblyForaccess,removetheseFRUsinorder:•“1010Batterypack”onpage42•“1020Bottomslotcover”onpage42Importantnoticeforreplacingaharddisk

Removetheharddiskdrivefromtheslot.3Wheninstalling:Ensurethattheharddiskdriveconnectorisattachedrmly.RemovalstepsoftheharddiskdrivebracketRemovethescr

RemovalstepsofthePCIExpressMiniCardforwirelessLANInsteps1,unplugtheconnectorsbyusingtheantennaRFconnectororpickuptheconnectorswithyourngersandgentlyu

Attention:•Donotdropthedriveorapplyanyphysicalshocktoit.Thedriveissensitivetophysicalshock.Improperhandlingcancausedamageandpermanentlossofdata.•Befor

RemovalstepsofthebackupbatteryDANGERUseonlythebatteryspeciedinthepartslistforyourcomputer.Anyotherbatterycouldigniteorexplode.Carefullyprythebackupba

RemovalstepsofthebasecoverRemovethescrews1and2.1111111111112StepScrew(quantity)ColorTorque1M2.5×7mm,at-head,nylon-coated(12)Black0.392Nm(4.0kgf-cm)2M

Thefollowingillustrationshowsthelabellocationsonthebasecover.1 2 3478651Barcodelabel5Bluetoothlabel2KCClabel6WirelessLANlabel3IndonesiaDsidelabel7PPTl

RemovalstepsofthemediacardreaderslotboardRemovethescrew1,andthendetachthecable.321StepScrew(quantity)ColorTorque1M2.5×3mm,at-head,nylon-coated(1)Blac

RemovalstepsofthengerprintboardbracketandngerprintboardRemovethescrew1,andthenremovethengerprintboardbracket2.21StepScrew(quantity)ColorTorque1M2×3

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Removethengerprintboard.51120ThermalmoduleassemblyForaccess,removetheseFRUsinorder:•“1010Batterypack”onpage42•“1020Bottomslotcover”onpage42•“1040Hard

Loosenthescrews2to7.352674Removethethermalmoduleassembly.Attention:Becarefulnottodamagetheconnector.8Wheninstalling:Beforeyouattachthethermalmoduleass

Formodelswithadiscretethermalmoduleassemblyab1130DC-inconnectorForaccess,removetheseFRUsinorder:•“1010Batterypack”onpage42•“1020Bottomslotcover”onpage

Instep2,opentheLCDhingebypivotingitupward.Thendetachtheconnector3.23Wheninstalling:Ensurethattheconnectorisattachedrmlytothesystemboard.RemovetheDC-i

RemovalstepsofthepowerboardRemovethescrews1.111StepScrew(quantity)ColorTorque1M2.5×5mm,at-head,nylon-coated(3)Black0.392Nm(4.0kgf-cm)Instep2,opentheL

1150SystemboardassemblyForaccess,removetheseFRUsinorder:•“1010Batterypack”onpage42•“1020Bottomslotcover”onpage42•“1030Memorymodules”onpage43•“1040Hard

FormodelswithadiscretethermalmoduleassemblyabcRemovalstepsofthesystemboardassemblyRemovethescrews1.111111StepScrew(quantity)ColorTorque1M2.5×5mm,at-h

OpentheLCDhingesbypivotingthemupward.22Detachtheconnectors.3131215141110768954Wheninstalling:Ensurethatalltheconnectorsareattachedrmlytothesystemboar

Removethescrews16,andthenremovethesystemboardassembly17.17161616StepScrew(quantity)ColorTorque16M2.5×3mm,at-head,nylon-coated(3)Black0.392Nm(4.0kgf-c

Removalstepsofthetouchpadassembly,speakers,keyboardbezel,andLCDunitRemovethescrews1andthenremovethetouchpadbracket2.112StepScrew(quantity)ColorTorque1

Chapter1.SafetyinformationThischapterpresentsfollowingsafetyinformationthatyouneedtobefamiliarwithbeforeyouserviceaLenovonotebookcomputer.•“Generalsaf

Removethekeyboardbezel.12010LCDfrontbezelForaccess,removetheseFRUsinorder:•“1010Batterypack”onpage42•“1160Touchpadassembly,speakers,keyboardbezel,andL

RemovetheLCDfrontbezel.2222Wheninstalling:Ensurethatallthelatchesareattachedrmly.Thensecurethebezelwiththescrews.2020CameraandmicrophoneboardForacces

RemovalstepsofthecameraandmicrophoneboardDetachtheconnector1andthenpeeloffthecameraandmicrophoneboard2.Note:Thecameraandmicrophoneboardisadheredtothet

RemovalstepsoftheLCDpanelandLCDcableRemovethescrews1,andthenremovetheLCDpanel2.11112StepScrew(quantity)ColorTorque1M2×3mm,at-head,nylon-coated(4)Blac

RemovalstepsofthehingesRemovethescrews1.1111StepScrew(quantity)ColorTorque1M2×3mm,at-head,nylon-coated(4)Black0.181Nm(1.85kgf-cm)Removethehinges.2220

RemovalstepsoftheantennaassemblyandLCDrearcoverReleasetheantennacablesfromthecableguidesoftheLCDrearcoverassemblyandfromthehinges.11111122Cablerouting

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AppendixA.NoticesLenovomaynotoffertheproducts,services,orfeaturesdiscussedinthisdocumentinallcountries.ConsultyourlocalLenovorepresentativeforinformat

ElectronicemissionsnoticesForelectronicemissioninformationonClassBdigitaldevices,refertothecorrespondinginformationintheUserGuide.EUcontact:Lenovo,Ein

Important:Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoftmaterialthatdoesnotinsulateyouwhenworkingwithliveelectricalcurr

SafetyinspectionguideThepurposeofthisinspectionguideistoassistyouinidentifyingpotentiallyunsafeconditions.Aseachmachinewasdesignedandbuilt,requiredsaf