Lenovo E73 Specifications download pdf (Page 85)

Chapter9.ReplacingFRUs(machinetypes:10ASand10AU)

ThischapterprovidesinformationabouttheFRUreplacementinstructions.NotallFRUsaredocumented.

Important:EnsurethatyoureadandunderstandChapter2“Safetyinformation”onpage3

beforereplacing

anyFRU.Theseprecautionsandguidelineswillhelpyouworksafely.

Note:FRUreplacementsaretobedoneonlybytrainedservicetechnicians.

Handlingstatic-sensitivedevices

Donotopenthestatic-protectivepackagecontainingthenewpartuntilthedefectiveparthasbeenremoved

fromthecomputerandyouarereadytoinstallthenewpart.Staticelectricity,althoughharmlesstoyou,can

seriouslydamagecomputercomponentsandparts.

Whenyouhandlecomputerpartsandcomponents,taketheseprecautionstoavoidstatic-electricitydamage:

•Limityourmovement.Movementcancausestaticelectricitytobuilduparoundyou.

•Alwayscarefullyhandlethepartsandothercomputercomponents.HandlePCIcards,memorymodules,

systemboards,andmicroprocessorsbytheedges.Nevertouchexposedcircuitry.

•Preventothersfromtouchingthepartsandothercomputercomponents.

•Beforeyoureplaceanewpart,touchthestatic-protectivepackagecontainingthenewparttoametal

expansion-slotcoverorotherunpaintedmetalsurfaceonthecomputerforatleasttwoseconds.This

reducesstaticelectricityfromthepackageandyourbody.

•Removethenewpartfromthestatic-protectivepackageanddirectlyinstallitinthecomputerwithout

placingitonanyothersurface.Ifitishardforyoutodothisinyourspeciﬁcsituation,placethe

static-protectivepackageofthenewpartonasmooth,levelsurface,andthenplacethenewparton

thestatic-protectivepackage.

•Donotplacethepartonthecomputercoverorothermetalsurface.

Installingorreplacinghardware

Thissectionprovidesinstructionsonhowtoinstallorreplacehardwareforyourcomputer.Youcanexpand

thecapabilitiesofyourcomputerandmaintainyourcomputerbyinstallingorreplacinghardware.

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important

safetyinformation”onpage1.

Notes:

1.UseonlycomputerpartsprovidedbyLenovo.

2.Wheninstallingorreplacinganoption,usetheappropriateinstructionsinthissectionalongwiththe

instructionsthatcomewiththeoption.

Installingexternaloptions

Youcanconnectexternaloptionstoyourcomputer,suchasexternalspeakers,aprinter,orascanner.For

someexternaloptions,youmustinstalladditionalsoftwareinadditiontomakingthephysicalconnection.

Wheninstallinganexternaloption,see“Locatingconnectors,controls,andindicatorsonthefrontofyour

computer”onpage67

and“Locatingconnectorsontherearofyourcomputer”onpage68toidentifythe

requiredconnector.Then,usetheinstructionsthatcomewiththeoptiontohelpyoumaketheconnection

andinstallanysoftwareordevicedriversthatarerequiredfortheoption.

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Lenovo E73 Specifications Page 85