Installingorreplacingamemorymodule
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Important
safetyinformation”onpagev.
Thissectionprovidesinstructionsonhowtoinstallorreplaceamemorymodule.
YourcomputerhasfourslotsforinstallingorreplacingDDR3UDIMMsthatprovideuptoamaximumof16
GBsystemmemory.Wheninstallingorreplacingamemorymodule,usethefollowingguidelines:
•Use1GB,2GB,or4GBDDR3UDIMMsinanycombinationuptoamaximumof16GB.
•InstallmemorymodulesinthesequenceofDIMM2,DIMM4,DIMM1,andDIMM3.See“Locating
partsonthesystemboard”onpage11.
Toinstallorreplaceamemorymodule,dothefollowing:
1.T urnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.
2.Openthecomputercover.See“Openingthecomputercover”onpage30.
3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage30.
4.Removetheheatsinkfanduct.See“Replacingtheheatsinkandfanassembly”onpage47.
5.Removetheharddiskdrive.See“Replacingtheharddiskdrive”onpage42.
6.Pivottheopticaldrivebayupwardtogainaccesstothememoryslots.See“Replacingtheoptical
drive”onpage45.
7.L ocatethememoryslots.See“Locatingpartsonthesystemboard”onpage11.
8.Removeanypartsthatmightpreventaccesstothememoryslots.
9.Dependingonwhetheryouareinstallingorreplacingamemorymodule,dooneofthefollowing:
•Ifyouarereplacinganoldmemorymodule,opentheretainingclipsandgentlypullthememory
moduleoutofthememoryslot.
Figure11.Removingamemorymodule
Chapter5.Installingorreplacinghardware33