•Ifyouareinstallingamemorymodule,opentheretainingclipsofthememoryslotintowhichyou
wanttoinstallthememorymodule.
Figure47.Openingtheretainingclips
7.Positionthenewmemorymoduleoverthememoryslot.Makesurethatthenotch1onthememory
modulealignscorrectlywiththeslotkey2onthesystemboard.Pushthememorymodulestraight
downintotheslotuntiltheretainingclipsclose.
Figure48.Installingamemorymodule
8.ReinstallthePCIExpressx16graphicscardifyouhaveremovedit.
9.Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage104
Replacingthebattery
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
intheThinkCentreUserGuide.ToobtainacopyoftheThinkCentreUserGuide,goto:
http://www.lenovo.com/ThinkCentreUserGuides
Yourcomputerhasaspecialtypeofmemorythatmaintainsthedate,time,andsettingsforbuilt-infeatures,
suchasparallel-portassignments(conguration).Abatterykeepsthisinformationactivewhenyouturn
offthecomputer.
Chapter9.ReplacingFRUs(MachineTypes:1857,1893,and1895)119