Chapter6.Replacingdevices
Youcanincreasethecapacityofthememoryortheharddiskdrivebyreplacingtheoriginal,built-in
devicewithanoptionalone.Or,ifyouneedto,youcanreplacethePCIExpressMiniCardbyfollowing
theproceduresinthissection.
•“Staticelectricityprevention”onpage77
•“Replacingthebattery”onpage77
•“Replacingtheharddiskdrive”onpage79
•“Replacingtheopticaldrive”onpage82
•“InstallingandreplacingthePCIExpressMiniCardforwirelessWAN”onpage86
•“InstallingandreplacingaPCIExpressMiniCardforwirelessLAN/WiMAXconnection”onpage90
•“Replacingmemory”onpage93
•“Replacingthekeyboard”onpage95
•“ReplacingtheSIMcard”onpage103
Staticelectricityprevention
Staticelectricity,althoughharmlesstoyou,canseriouslydamagecomputercomponentsandoptions.
Improperhandlingofstatic-sensitivepartscancausedamagetothepart.Whenyouunpackanoption
orCRU,donotopenthestatic-protectivepackagecontainingthepartuntiltheinstructionsdirectyou
toinstallit.
WhenyouhandleoptionsorCRUs,orperformanyworkinsidethecomputer,takethefollowingprecautions
toavoidstatic-electricitydamage:
•Limityourmovement.Movementcancausestaticelectricitytobuilduparoundyou.
•Alwayshandlecomponentscarefully.Handleadapters,memorymodules,andothercircuitboardsbythe
edges.Nevertouchexposedcircuitry.
•Preventothersfromtouchingcomponents.
•Whenyouinstallastatic-sensitiveoptionorCRU,touchthestatic-protectivepackagecontainingthe
parttoametalexpansion-slotcoverorotherunpaintedmetalsurfaceonthecomputerforatleasttwo
seconds.Thisreducesstaticelectricityinthepackageandyourbody.
•Whenpossible,removethestatic-sensitivepartfromthestatic-protectivepackagingandinstallthepart
withoutsettingitdown.Whenthisisnotpossible,placethestatic-protectivepackagingonasmooth,
levelsurfaceandplacethepartonit.
•Donotplacethepartonthecomputercoverorothermetalsurface.
Replacingthebattery
Beforeyoustart,printtheseinstructions.
ThissystemmaynotsupportbatteriesthatarenotgenuineLenovo-madeorauthorized.Thesesystemswill
continuetoboot,butmaynotchargeunauthorizedbatteries.
Attention:Lenovohasnoresponsibilityfortheperformanceorsafetyofunauthorizedbatteries,and
providesnowarrantiesforfailuresordamagearisingoutoftheiruse.
Toreplacethebatterywithanewone,readthefollowingprerequisites.
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