Lenovo ThinkCentre Edge 71 - Installing or Replacing a Memory Module

7.Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage139.
Installingorreplacingamemorymodule
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
intheThinkCentreUserGuide.ToobtainacopyoftheThinkCentreUserGuide,goto:
http://www.lenovo.com/ThinkCentreUserGuides
Thissectionprovidesinstructionsonhowtoinstallorreplaceamemorymodule.
YourcomputerhastwoslotsforinstallingorreplacingDDR3UDIMMsthatprovideuptoamaximumof
8GBsystemmemory.Wheninstallingorreplacingamemorymodule,use1GB,2GB,or4GBDDR3
UDIMMsinanycombinationuptoamaximumof8GB.
Toinstallorreplaceamemorymodule,dothefollowing:
1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.
2.Removethecomputercover.See“Removingthecomputercover”onpage109.
3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage110.
4.Pivotthedrivebayassemblyupwardtogainaccesstothememoryslots.See“Accessingthesystem
boardcomponentsanddrives”onpage111.
5.Removetheheatsinkfanduct.See“Replacingtheheatsinkandfanassembly”onpage127.
6.Locatethememoryslots.See“Locatingpartsonthesystemboard”onpage107.
7.Removeanypartsthatmightpreventyouraccesstothememoryslots.Dependingonyourcomputer
model,youmightneedtoremovethePCIExpressx16graphicscardforeasieraccesstothememory
slots.See“InstallingorreplacingaPCIcard”onpage113.
8.Dependingonwhetheryouareinstallingorreplacingamemorymodule,dooneofthefollowing:
•Ifyouarereplacinganoldmemorymodule,opentheretainingclipsandgentlypullthememory
moduleoutofthememoryslot.
Figure44.Removingamemorymodule
Chapter9.ReplacingFRUs(MachineTypes:1578,1583,and1652)115