IBM THINKPAD X121E Bedienungsanleitung Seite 51

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Chapter7.FRUreplacementnotices
ExternalCRUstatementtocustomers:
Someproblemswithyourproductcanberesolvedwithareplacementpartyoucaninstallyourself,called
a“CustomerReplaceableUnit”or“CRU.SomeCRUsaredesignatedasSelf-serviceCRUsandothers
aredesignatedasOptional-serviceCRUs.InstallationofSelf-serviceCRUsisyourresponsibility;youmay
requestthatLenovoinstallsanOptional-serviceCRUaccordingtothewarrantyserviceforyourproduct.
WhereyouareinstallingtheCRU,LenovowillshiptheCRUtoyou.CRUinformationandreplacement
instructionsareshippedwithyourproductandareavailablefromLenovoatanytimeuponrequest.Y oumay
ndalistofCRUsinthepublicationsthatshipwithyourproductorathttp://www.lenovo.com/CRUs.Y ou
mayberequiredtoreturnthedefectivepartthatisreplacedbytheCRU.Whenreturnisrequired:(1)return
instructions,aprepaidshippinglabel,andacontainerwillbeincludedwiththereplacementCRU;and(2)you
maybechargedforthereplacementCRUifLenovodoesnotreceivethedefectivepartwithinthirty(30)days
ofyourreceiptofthereplacementCRU.SeeyourLenovoLimitedWarrantydocumentationforfulldetails.
Thischapterpresentsnoticesrelatedtoremovingandreplacingparts.Readthischaptercarefullybefore
replacinganyFRU.
Screwnotices
Loosescrewscancauseareliabilityproblem.InThinkPadnotebookcomputers,thisproblemisaddressed
withspecialnylon-coatedscrewsthathavethefollowingcharacteristics:
Theymaintaintightconnections.
Theydonoteasilycomeloose,evenwithshockorvibration.
Theyarehardertotighten.
Eachoneshouldbeusedonlyonce.
Dothefollowingwhenyouservicethecomputer:
Keepthescrewkitinyourtoolbag.Forthepartnumber(P/N)ofthescrewkit,see“Miscellaneous
parts”onpage95.
Alwaysusenewscrews.
Useatorquescrewdriverifyouhaveone.
Tightenscrewsasfollows:
Plastictoplastic
Turnanadditionalangleof90degreesafterthescrewheadtouchesthesurfaceoftheplasticpart.
Logiccardtoplastic
Turnanadditionalangleof180degreesafterthescrewheadtouchesthesurfaceofthelogiccard.
©CopyrightLenovo2011
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