Chapter6.Replacingdevices
Youcanincreasethecapacityofthememoryortheharddiskdrivebyreplacingtheoriginal,built-indevice
withanoptionalone.Or,ifyouneedto,youcanreplacethePCIExpressMiniCardortheModemDaughter
Cardbyfollowingtheproceduresinthissection.
•“Staticelectricityprevention”onpage111
•“Replacingthebattery”onpage111
•“Replacingtheharddiskdrive”onpage115
•“Replacingthekeyboard”onpage119
•“Replacingmemory”onpage123
•“InstallingandreplacingthemSATAsolidstatedrive”onpage127
•“InstallingandreplacingaPCIExpressMiniCardforwirelessLAN/WiMAXconnection”onpage130
•“InstallingandreplacingthePCIExpressMiniCardforwirelessWAN”onpage137
•“ReplacingtheSIMcard”onpage142
•“Replacingthesolidstatedrive”onpage143

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.
ThissystemdoesnotsupportbatteriesthatarenotgenuineLenovo-madeorauthorized.Thesystemwill
continuetoboot,butmaynotchargeunauthorizedbatteries.
Attention:Lenovohasnoresponsibilityfortheperformanceorsafetyofunauthorizedbatteries,and
providesnowarrantiesforfailuresordamagearisingoutoftheiruse.
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