5.Putthememoryslotcoverbackinplace(1),closethecover(2),andthentightenthescrew(3).
6.Reinstallthebattery.Formoreinformationabouthowtoreinstallthebattery,referto“Replacingthe
battery”onpage111.
7.Turnthecomputeroveragain.Connecttheacpoweradapterandcablestothecomputer;thenturniton.
Replacingmemory
Beforeyoustart,printtheseinstructions.
Increasingmemorycapacityisaneffectivewaytomakeprogramsrunfaster.Youcanincreasetheamount
ofmemoryinyourcomputerbyinstallingaPC3-10600doubledataratethree(DDR3)synchronousdynamic
randomaccessmemory(SDRAM)unbufferedsmalloutlinedualinlinememorymodule(SO-DIMM),available
asanoption,inthememoryslotofthecomputer.SO-DIMMswithdifferentcapacitiesareavailable.
Prerequisitesfortheprocedure
Whenreplacingthememory,besuretofollowtheprecautions.
Note:Theoperatingspeedofthememorymoduledependsonthesystemcongurationofyourcomputer
anditscombinationwiththememorymoduleinstalledonyourcomputer.Insomeconditions,thememoryin
yourcomputermaynotbeabletooperateatthemaximumspeed.
Attention:Beforeyoustartinstallingamodule,touchametaltableoragroundedmetalobject.Thisaction
reducesanystaticelectricityfromyourbody.ThestaticelectricitycoulddamagetheSO-DIMM.
Replacementinstructions
Increasingmemorycapacityisaneffectivewaytomakeprogramsrunfaster.Youcanincreasetheamount
ofmemoryinyourcomputerbyinstallingaPC3-10600doubledatar ate3synchronousdynamicrandom
accessmemoryunbufferedsmalloutlinedualinlinememorymodule,availableasanoption,inthememory
slotslocatedontheundersideofyourcomputerandunderthekeyboard.SO-DIMMswithdifferent
capacitiesareavailable.
Note:UseaPC3-10600DDR3synchronousDRAMunbufferedSO-DIMMinyourcomputer.Ifyouinstall
anSO-DIMMthatisnotsupportedbyyourcomputer,thecomputermaybeep,andthesystemmaynot
startormaynotworkproperly.Youcanpurchasetheappr opriatememoryoptionfromyourLenovoreseller
oramarketingrepresentative.
Chapter6.Replacingdevices123