Manual

Chapter8.RemovingorreplacingaFRU

ThischapterprovidesinstructionsonhowtoremoveorreplaceaFRU.

CRUstatementforcustomers:

Youcanresolvesomeproblemswithyourproductwithareplacementpartyoucaninstallyourself,called

a“CustomerReplaceableUnit”or“CRU.”SomeCRUsaredesignatedasself-serviceCRUsandothers

aredesignatedasoptional-serviceCRUs.Installationofself-serviceCRUsisyourresponsibility.For

optional-serviceCRUs,youcaneitherinstalltheCRUyourselforyoucanrequestthataServiceProvider

installtheCRUaccordingtothewarrantyserviceforyourproduct.IfyouintendoninstallingtheCRU,

LenovowillshiptheCRUtoyou.CRUinformationandreplacementinstructionsareshippedwithyour

productandareavailablefromLenovoatanytimeuponrequest.Y oucanndalistofCRUsforyour

productinthisHardwareMaintenanceManual.Anelectronicversionofthismanualcanbefoundat

http://www.lenovo.com/UserManuals.Followtheon-screeninstructionstondthemanualforyourproduct.

YoumightberequiredtoreturnthedefectiveCRU.Whenreturnisrequired:(1)returninstructions,aprepaid

shippinglabel,andacontainerwillbeincludedwiththereplacementCRU;and(2)youmightbechargedfor

thereplacementCRUifLenovodoesnotreceivethedefectiveCRUwithinthirty(30)daysofyourreceiptof

thereplacementCRU.SeeyourLenovoLimitedWarrantydocumentationforfulldetails.

Generalguidelines

WhenremovingorreplacingaFRU,ensurethatyouobservethefollowinggeneralguidelines:

1.Donottrytoserviceanycomputerunlessyouhavebeentrainedandcertied.Anuntrainedpersonruns

theriskofdamagingparts.

2.BeforereplacinganyFRU,reviewChapter7“FRUreplacementnotices”onpage39.

3.BeginbyremovinganyFRUsthathavetoberemovedbeforereplacingthefailingFRU.Anysuch

FRUsarelistedatthebeginningofeachFRUreplacementprocedure.Removethemintheorderin

whichtheyarelisted.

4.FollowthecorrectsequenceinthestepsforremovingaFRU,asshownintheillustrationsbythe

numbersinsquarecallouts.

5.Whenturningascrew,turnitinthedirectionasshownbythearrowintheillustration.

6.WhenremovingaFRU,moveitinthedirectionasshownbythearrowintheillustration.

7.ToinstallanewFRUinplace,reversetheremovalprocedureandfollowanynotesthatpertainto

replacement.

8.WhenreplacingaFRU,usethecorrectscrewsasshowninthereplacementprocedure.

DANGER

BeforeremovinganyFRU,turnoffthecomputer,unplugallpowercordsfromelectricaloutlets,

removethebatterypack,andthendisconnectanyinterconnectingcables.

Attention:AfterreplacingaFRU,donotturnonthecomputeruntilyouhaveensuredthatallscrews,springs,

andothersmallpartsareinplaceandnonearelooseinsidethecomputer.Verifythisbyshakingthecomputer

gentlyandlisteningforrattlingsounds.Metallicpartsormetalakescancauseelectricalshortcircuits.

Attention:ThesystemboardissensitivetoandcanbedamagedbyESD.Beforetouchingit,establish

personalgroundingbytouchingagroundpointwithonehandorbyusinganESDstrap(P/N6405959).