IBM ThinkPad T410s Manual de usuario Pagina 79

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Chapter8.RemovingandreplacingaFRU
ExternalCRUstatementtocustomers:
Someproblemswithyourproductcanberesolvedwithareplacementpartyoucaninstallyourself,called
a“CustomerReplaceableUnit”or“CRU.SomeCRUsaredesignatedasSelf-serviceCRUsandothers
aredesignatedasOptional-serviceCRUs.InstallationofSelf-serviceCRUsisyourresponsibility;youmay
requestthatLenovoinstallsanOptional-serviceCRUaccordingtothewarrantyserviceforyourproduct.
WhereyouareinstallingtheCRU,LenovowillshiptheCRUtoyou.CRUinformationandreplacement
instructionsareshippedwithyourproductandareavailablefromLenovoatanytimeuponrequest.Youmay
ndalistofCRUsinthepublicationsthatshipwithyourproductorathttp://www.lenovo.com/CRUs.You
mayberequiredtoreturnthedefectivepartthatisreplacedbytheCRU.Whenreturnisrequired:(1)return
instructions,aprepaidshippinglabel,andacontainerwillbeincludedwiththereplacementCRU;and(2)you
maybechargedforthereplacementCRUifLenovodoesnotreceivethedefectivepartwithinthirty(30)days
ofyourreceiptofthereplacementCRU.SeeyourLenovoLimitedWarrantydocumentationforfulldetails.
ThischapterpresentsdirectionsanddrawingsforuseinremovingandreplacingaFRU.Besuretoobserve
thefollowinggeneralrules:
1.Donottrytoserviceanycomputerunlessyouhavebeentrainedandcertied.Anuntrainedpersonruns
theriskofdamagingparts.
2.BeforereplacinganyFRU,reviewChapter7“FRUreplacementnotices”onpage69.
3.BeginbyremovinganyFRUsthathavetoberemovedbeforethefailingFRU.AnysuchFRUsarelisted
atthetopofthepage.Removethemintheorderinwhichtheyarelisted.
4.FollowthecorrectsequenceinthestepsforremovingtheFRU,asgiveninthedrawingsbythe
numbersinsquarecallouts.
5.WhenturningascrewtoreplaceaFRU,turnitinthedirectionasgivenbythearrowinthedrawing.
6.WhenremovingtheFRU,moveitinthedirectionasgivenbythearrowinthedrawing.
7.ToputthenewFRUinplace,reversetheremovalprocedureandfollowanynotesthatpertainto
replacement.Forinformationaboutconnectingandarranginginternalcables,seeChapter9“Locations”
onpage127.
8.WhenreplacingaFRU,usethecorrectscrewasshownintheprocedures.
DANGER
BeforeremovinganyFRU,turnoffthecomputer,unplugallpowercordsfromelectricaloutlets,
removethebatterypack,andthendisconnectanyinterconnectingcables.
Attention:AfterreplacingaFRU,donotturnonthecomputeruntilyouhavemadesurethatallscrews,
springs,andothersmallpartsareinplaceandnonearelooseinsidethecomputer.Verifythisbyshaking
thecomputergentlyandlisteningforrattlingsounds.Metallicpartsormetalakescancauseelectrical
shortcircuits.
Attention:Thesystemboardissensitiveto,andcanbedamagedby,electrostaticdischarge.Before
touchingit,establishpersonalgroundingbytouchingagroundpointwithonehandorbyusingan
electrostaticdischarge(ESD)strap(P/N6405959).
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