Lenovo ThinkCentre E73 - Chapter 10. Replacing Frus (Machine Types: 10 AU, 10 AW, 10 BF, and 10 BG); Handling Static-Sensitive Devices; Installing or Replacing Hardware; Installing External Options

Chapter10.ReplacingFRUs(machinetypes:10AU,10AW,
10BF,and10BG)
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.Ifitishardforyoutodothisinyourspecicsituation,placethe
static-protectivepackageofthenewpartonasmooth,levelsurface,andthenplacethenewparton
thestatic-protectivepackage.
•Donotplacethepartonthecomputercoverorothermetalsurface.
Installingorreplacinghardware
Thissectionprovidesinstructionsonhowtoinstallorreplacehardwareforyourcomputer.Youcanexpand
thecapabilitiesofyourcomputerandmaintainyourcomputerbyinstallingorreplacinghardware.
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Importantsafetyinformation”
onpage1.
Notes:
1.UseonlycomputerpartsprovidedbyLenovo.
2.Wheninstallingorreplacinganoption,usetheappropriateinstructionsinthissectionalongwiththe
instructionsthatcomewiththeoption.
Installingexternaloptions
Youcanconnectexternaloptionstoyourcomputer,suchasexternalspeakers,aprinter,orascanner.For
someexternaloptions,youmustinstalladditionalsoftwareinadditiontomakingthephysicalconnection.
Wheninstallinganexternaloption,see“Locatingconnectors,controls,andindicatorsonthefrontofyour
computer”onpage74and“Locatingconnectorsontherearofyourcomputer”onpage75toidentifythe
©CopyrightLenovo2013
125