7.Disconnectthethreecablesfromtheinverter.
8.Lifttheinverteroffthecomputer.
9.Toreinstallthenewinverter,connectthethreecablestothenewinverter.Positionthenewinverterand
alignthetwoscrewholesinthenewinverterwiththoseinthecomputer.
10.Installthetwoscrewstosecurethenewinvertertothemainbracket.
11.Reinstalltheopticaldrive.See“Replacingtheopticaldrive”onpage98.
12.Goto“Completingthepartsreplacement”onpage125.
Installingorreplacingamemorymodule
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
intheThinkCentreEdgeSafetyandWarrantyGuidethatcamewithyourcomputer.Toobtainacopyofthe
ThinkCentreEdgeSafetyandWarrantyGuide,goto:
http://www.lenovo.com/support
Thissectionprovidesinstructionsonhowtoinstallorreplaceamemorymodule.
YourcomputerhastwomemoryslotsforinstallingorreplacingDDR3SODIMMs(smalloutlinedualinline
memorymodules).Wheninstallingorreplacingamemorymodule,use1GB,2GBor4GBDDR3SODIMMs
inanycombinationuptoamaximumof8GBofsystemmemory.
Toinstallorreplaceamemorymodule,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorotheratsurface.Holdthesidesofyourcomputerand
gentlylayitdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
114ThinkCentreEdgeHardwareMaintenanceManual