Laptop User Manual

Chapter10.RemovingorreplacingaFRU

ThischapterprovidesinstructionsonhowtoremoveorreplaceaFRU.

CRUstatementforcustomers:

Youcanresolvesomeproblemswithyourproductwithareplacementpartyoucaninstallyourself,called

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

aredesignatedasoptional-serviceCRUs.Installationofself-serviceCRUsisyourresponsibility.For

optional-serviceCRUs,youcaneitherinstalltheCRUyourselforyoucanrequestthataServiceProvider

installstheCRUaccordingtothewarrantyserviceforyourproduct.IfyouintendoninstallingtheCRU,

LenovowillshiptheCRUtoyou.CRUinformationandreplacementinstructionsareshippedwithyour

productandareavailablefromLenovoatanytimeuponrequest.YoucanndalistofCRUsforyour

productinthisHardwareMaintenanceManual.Anelectronicversionofthismanualcanbefoundat

http://www.lenovo.com/support.ClickUserGuides&Manualsandthenfollowtheon-screeninstructions

tondthemanualforyourproduct.Youmightberequiredtoreturnthedefectivepartthatisreplacedby

theCRU.Whenreturnisrequired:(1)returninstructions,aprepaidshippinglabel,andacontainerwillbe

includedwiththereplacementCRU;and(2)youmightbechargedforthereplacementCRUifLenovodoes

notreceivethedefectiveCRUwithinthirty(30)daysofyourreceiptofthereplacementCRU.Seeyour

LenovoLimitedWarrantydocumentationforfulldetails.

Generalguidelines

WhenremovingorreplacingaFRU,besuretoobservethefollowinggeneralguidelines:

1.Donottrytoserviceanycomputerunlessyouhavebeentrainedandcertied.Anuntrainedpersonruns

theriskofdamagingparts.

2.BeforereplacinganyFRU,reviewChapter9“FRUreplacementnotices”onpage63.

3.BeginbyremovinganyFRUsthathavetoberemovedbeforereplacingthefailingFRU.Anysuch

FRUsarelistedatthebeginningofeachFRUreplacementprocedure.Removethemintheorderin

whichtheyarelisted.

4.FollowthecorrectsequenceinthestepsforremovingtheFRU,asgiveninthedrawingsbythe

numbersinsquarecallouts.

5.Whenturningascrew,turnitinthedirectionasgivenbythearrowinthedrawing.

6.WhenremovingtheFRU,moveitinthedirectionasgivenbythearrowinthedrawing.

7.ToputthenewFRUinplace,reversetheremovalprocedureandfollowanynotesthatpertainto

replacement.Forinformationaboutconnectingandarranginginternalcables,seeChapter8“Locations”

onpage55

8.WhenreplacingaFRU,usethecorrectscrewasshowninthereplacementprocedure.

DANGER

BeforeremovinganyFRU,turnoffthecomputer,unplugallpowercordsfromelectricaloutlets,

removethebatterypack,andthendisconnectanyinterconnectingcables.

Attention:

•AfterreplacingaFRU,donotturnonthecomputeruntilyouhavemadesurethatallscrews,springs,and

othersmallpartsareinplaceandnonearelooseinsidethecomputer.Verifythisbyshakingthecomputer

gentlyandlisteningforrattlingsounds.Metallicpartsormetalakescancauseelectricalshortcircuits.