Lenovo ThinkPad Edge E545 Service Manual

Chapter9.RemovingorreplacingaFRU
ThischapterprovidesinstructionsonhowtoremoveorreplaceaFRU.
CRUstatementforcustomers:
Youcanresolvesomeproblemswithyourproductwithareplacementpartyoucaninstallyourself,called
a“CustomerReplaceableUnit”or“CRU.”SomeCRUsaredesignatedasself-serviceCRUsandothers
aredesignatedasoptional-serviceCRUs.Installationofself-serviceCRUsisyourresponsibility.For
optional-serviceCRUs,youcaneitherinstalltheCRUyourselforyoucanrequestthataServiceProvider
installtheCRUaccordingtothewarrantyserviceforyourproduct.IfyouintendoninstallingtheCRU,
LenovowillshiptheCRUtoyou.CRUinformationandreplacementinstructionsareshippedwithyour
productandareavailablefromLenovoatanytimeuponrequest.YoucanndalistofCRUsforyour
productinthisHardwareMaintenanceManual.Anelectronicversionofthismanualcanbefoundat
http://www.lenovo.com/support.ClickUserGuides&Manualsandthenfollowtheon-screeninstructions
tondthemanualforyourproduct.YoumightberequiredtoreturnthedefectiveCRU.Whenreturn
isrequired:(1)returninstructions,aprepaidshippinglabel,andacontainerwillbeincludedwiththe
replacementCRU;and(2)youmightbechargedforthereplacementCRUifLenovodoesnotreceivethe
defectiveCRUwithinthirty(30)daysofyourreceiptofthereplacementCRU.SeeyourLenovoLimited
Warrantydocumentationforfulldetails.
Generalguidelines
WhenremovingorreplacingaFRU,besuretoobservethefollowinggeneralguidelines:
1.Donottrytoserviceanycomputerunlessyouhavebeentrainedandcertied.Anuntrainedpersonruns
theriskofdamagingparts.
2.BeforereplacinganyFRU,reviewChapter8“FRUreplacementnotices”onpage57.
3.BeginbyremovinganyFRUsthathavetoberemovedbeforereplacingthefailingFRU.Anysuch
FRUsarelistedatthebeginningofeachFRUreplacementprocedure.Removethemintheorderin
whichtheyarelisted.
4.FollowthecorrectsequenceinthestepsforremovingaFRU,asgiveninthedrawingsbythenumbers
insquarecallouts.
5.Whenturningascrew,turnitinthedirectionasgivenbythearrowinthedrawing.
6.WhenremovingaFRU,moveitinthedirectionasgivenbythearrowinthedrawing.
7.ToputthenewFRUinplace,reversetheremovalprocedureandfollowanynotesthatpertainto
replacement.Forinformationaboutconnectingandarranginginternalcables,seeChapter7“Locations”
onpage49
.
8.WhenreplacingaFRU,usethecorrectscrewsasshowninthereplacementprocedure.
DANGER
BeforeremovinganyFRU,turnoffthecomputer,unplugallpowercordsfromelectricaloutlets,
removethebatterypack,andthendisconnectanyinterconnectingcables.
Attention:AfterreplacingaFRU,donotturnonthecomputeruntilyouhavemadesurethatallscrews,
springs,andothersmallpartsareinplaceandnonearelooseinsidethecomputer.Verifythisbyshaking
thecomputergentlyandlisteningforrattlingsounds.Metallicpartsormetalakescancauseelectrical
shortcircuits.
Attention:Thesystemboardissensitiveto,andcanbedamagedby,ESD.Beforetouchingit,establish
personalgroundingbytouchingagroundpointwithonehandorbyusinganESDstrap.
©CopyrightLenovo2013
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Lenovo ThinkPad Edge E545 Specifications

General

OS	windows 7 professional
Software	microsoft office, evernote, kindle and more
Numeric Keypad	no
Touch Screen	no
Screen Type	other
Screen Size	15.6 inches
Screen Resolution	1366 x 768 (hd)
Processor Brand	amd
Processor Model	amd a8-series
Type of Memory	ddr3
System Memory	4 gigabytes
System Memory Expansion	4 gigabytes
Audio Type	dolby enhanced audio v2
Speakers Type	stereo
Backlit Keyboard	no
Card Reader	yes
Touchpad	none
Battery Type	lithium-ion

Weight and Dimensions

Depth	9.64 inches
Height	1.12 inches
Width	14.84 inches