7.Toinstallanewmemorymodule,positionthenewmemorymoduleoverthememoryslot.Ensurethat
thenotch1onthememorymodulealignscorrectlywiththeslotkey2onthesystemboard.Pushthe
memorymodulestraightdownintotheslotuntiltheretainingclipsclose.
Note:Donottouchthecircuitboardofthememorymodule.
Figure82.Installingthememorymodule
8.Reinstallthedirectcoolingairbaffle.See“Removingandreinstallingthedirectcoolingairbaffle”on
page128.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage183.
Replacingtheheatsinkandfanassemblies
Attention:DonotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingtheChapter
1“Readthisfirst:Importantsafetyinformation”onpage1
.
CAUTION:
Theheatsinkandfanassemblymightbeveryhot.Beforeyouopenthecomputercover,turnoffthe
computerandwaitseveralminutesuntilthecomputeriscool.
Dependingonyourcomputermodel,yourcomputermightbeinstalledwithoneortwoheatsinkand
fanassemblies.
Toreplacetheheatsinkandfanassemblies,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Removethecomputercover.See“Removingthecomputercover”onpage111.
3.Removethedirectcoolingairbaffle.See“Removingandreinstallingthedirectcoolingairbaffle”on
page128.
4.Laythecomputeronitssideforeasieraccesstotheheatsinkandfanassembly.
5.Locatetheheatsinkandfanassemblythatdoesnotworkproperly.See“Locatingcomponents”
onpage30.
6.Disconnecttheheatsinkandfanassemblycablefromthesystemboard.
Chapter11.Installingorreplacinghardware165
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