7.Positionthenewmemorymoduleoverthememoryslot.Makesurethatthenotch1onthememory
modulealignscorrectlywiththeslotkey2onthesystemboard.Pushthememorymodulestraight
downintotheslotuntiltheretainingclipsclose.
Figure28.Installingamemorymodule
8.ReinstallthePCIExpressx16graphicscardifyouhaveremovedit.
9.Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage103.
Replacingtheheatsinkandfanassembly
Attention:
DonotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingtheChapter1“Safety
information”onpage1.
Thissectionprovidesinstructionsonhowtoreplacetheheatsinkandfanassembly.
CAUTION:
Theheatsinkandfanassemblymightbeveryhot.Turnoffthecomputerandwaitthreetove
minutestoletthecomputercoolbeforeremovingthecomputercover.
Toreplacetheheatsinkandfanassembly,dothefollowing:
1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.
2.Removethecomputercover.See“Removingthecomputercover”onpage69.
3.Laythecomputeronitssideforeasieraccesstothesystemboard.
4.Locatetheheatsinkandfanassembly.See“LocatingmajorFRUs”onpage63.
5.Disconnecttheheatsinkandfanassemblycablefromthemicroprocessorfanconnectoronthesystem
board.See“Locatingpartsonthesystemboard”onpage66.
88LenovoM4350HardwareMaintenanceManual
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