Computer Hardware User Manual

7.Positionthenewmemorymoduleoverthememoryslot.Makesurethatthenotch1onthememory
modulealignscorrectlywiththeslotkey2onthesystemboard.Pushthememorymodulestraight
downintotheslotuntiltheretainingclipsclose.
Figure13.Installingamemorymodule
8.ReinstallthePCIExpressx16graphicscardifyouhaveremovedit.
9.Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage113.
Installingorreplacingtheopticaldrive
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
intheThinkCentreUserGuide.ToobtainacopyoftheThinkCentreUserGuide,goto:
http://www.lenovo.com/ThinkCentreUserGuides
Thissectionprovidesinstructionsonhowtoinstallorreplacetheopticaldrive.
Toinstallorreplaceanopticaldrive,dothefollowing:
1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.
2.Removethecomputercover.See“Removingthecomputercover”onpage79.
3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage80.
4.Dependingonwhetheryouareinstallingorreplacinganopticaldrive,dooneofthefollowing:
•Ifyouareinstallingasecondaryopticaldrive,removetheplasticpanelinthefrontbezelforthe
drivebayyouwanttouse.Ifthereisametalstaticshieldinstalledinthedrivebay,removethe
metalstaticshield.
86ThinkCentreHardwareMaintenanceManual