Lenovo H520e Desktop User Manual Page 73

  • Download
  • Add to my manuals
  • Print
  • Page
    / 110
  • Table of contents
  • TROUBLESHOOTING
  • BOOKMARKS
  • Rated. / 5. Based on customer reviews
Page view 72
Chapter9.ReplacingFRUs
Important:BesuretoreadandunderstandChapter2“Safetyinformation”onpage3beforeyoureplace
anyFRU.Theseprecautionsandguidelineswillhelpyouworksafely.
FRUreplacementsaretobedoneonlybytrainedservicetechnicians.
ThischapterdoesnotcontaintheremoveorreplaceprocedureforallFRUs.OnlythemajorFRUsare
documented.
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:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
intheUserGuide.ToobtainacopyoftheUserGuide,goto:
http://www.lenovo.com/ThinkCentreUserGuides
Notes:
1.UseonlycomputerpartsprovidedbyLenovo.
2.Wheninstallingorreplacinganoption,usetheappropriateinstructionsinthissectionalongwiththe
instructionsthatcomewiththeoption.
©CopyrightLenovo2013
69
Page view 72
1 2 ... 68 69 70 71 72 73 74 75 76 77 78 ... 109 110

Comments to this Manuals

No comments